A moving body (100) comprises: a first power source (111); a second power source (112); a switching device (120) that makes it possible to select whether or not to connect the second power source (112) in series to the first power source (111); a drive source (130) that operates on the basis of at least the first power source (111); and a control device (140). The control device (140) is provided with an information acquisition unit (141) that acquires control information, a drive source control unit (142) that controls the drive source (130) on the basis of the acquired control information, and a switch control unit (143) that controls the switching device (120). Upon determining, on the basis of the control information acquired by the information acquisition unit (141), that output of the drive source (130) will increase, the switch control unit (143) causes the switching device (120) to connect the second power source (112) to the first power source (111).
endsendsthsth) set to values equal to or less than the absolute value of the steering end angle. The processing unit sets the current value of the steering end angle as a final steering end angle to be used for controlling the reaction force motor when the absolute value of the steering angle is equal to or less than the absolute values of the threshold values, and sets the final steering end angle so that the absolute value of the steering angle does not exceed the steering end angle when the absolute value of the steering angle exceeds the absolute values of the threshold values.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
To reduce, in processing in which grinding is performed after additive manufacturing, an amount of coating formed by additive manufacturing that exceeds a thickness required for a product. A composite grinding machine includes a holding unit that is configured to hold and rotate a workpiece, an additive manufacturing unit that is configured to move with respect to the holding unit, and that fuses a material while supplying the material to a surface of the workpiece that is held by the holding unit, thereby causing adhesion of the material to the surface, a grinding unit that is configured to move with respect to the holding unit and that includes a grindstone and rotates the grindstone, and a coolant supply unit that supplies a coolant to a portion where the workpiece held by the holding unit and the grindstone come into contact.
B23P 23/04 - Machines ou agencements de machines réalisant des combinaisons déterminées de différentes opérations d'usinage, non couverts par une seule autre sous-classe pour effectuer l'usinage ainsi que les autres opérations de travail du métal
B24B 5/04 - Machines ou dispositifs pour meuler des surfaces de révolution des pièces, y compris ceux qui meulent également des surfaces planes adjacentesAccessoires à cet effet possédant des pointes ou des mandrins pour maintenir la pièce pour meuler extérieurement des surfaces cylindriques
B24B 49/12 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage impliquant des dispositifs optiques
B24B 55/02 - Équipement pour refroidir les surfaces abrasives, p. ex. dispositifs d'alimentation en agent de refroidissement
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power transmissions and gearing, machine elements not for land vehicles; steering systems, not for land vehicles; steering systems for agricultural machines; steering systems for construction machines; agricultural machines and agricultural implements, other than hand-operated; parts of agricultural machines and agricultural implements, other than hand-operated; construction machines; parts of construction machines; non-electric prime movers, not for land vehicles; parts of non-electric prime movers; electronic control apparatus for agricultural machines; power steering device and parts thereof for agricultural machines; steering systems and parts thereof for agricultural machines; steering systems for agricultural machines (including linkless type); electronically controlled steer-by-wire systems for agricultural machines; electronic control apparatus for construction machines; power steering device and parts thereof for construction machines; steering systems and parts thereof for construction machines; steering systems for construction machines (including linkless type); electronically controlled steer-by-wire systems for construction machines; electronic control apparatus for non-electric prime movers; power steering device and parts thereof for non-electric prime movers; steering systems and parts thereof for non-electric prime movers; steering systems for non-electric prime movers (including linkless type); electronically controlled steer-by-wire systems for non-electric prime movers. Electronic machines and apparatus and their parts; computer program; electronically controlled steer-by-wire systems for land vehicles; electronically controlled steering systems for land vehicles (including linkless type); electronically controlled steering systems for land vehicles; electronic control apparatus and their parts for land vehicles; electric control machines and apparatus; electronic control apparatus; steering angle sensors; position detection sensors; sensors for autonomous driving; steering wheel torque sensors; sensors; computer software for land vehicles steering systems; control apparatus for autonomous vehicles; measuring or testing machines and instruments; power distribution or control machines and apparatus; Rotary converters; Phase modifiers; telecommunication machines and apparatus Mechanical elements for automobile, truck, bus, all-terrain vehicle, utility task vehicle; power transmissions and gearing, machine elements for automobile, truck, bus, all-terrain vehicle, utility task vehicle; electronically controlled steering apparatus for automobile, truck, bus, all-terrain vehicle, utility task vehicle; power steering device and parts thereof for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering systems and parts thereof for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle (including linkless type); electronically controlled steer-by-wire systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; non-electric prime movers for automobile, truck, bus, all-terrain vehicle, utility task vehicle, not including their parts; automobile, truck, bus, all-terrain vehicle, utility task vehicle and their parts and fittings; brake systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; transmission for automobile, truck, bus, all-terrain vehicle, utility task vehicle; Suspension systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; clutches for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering wheels for automobile, truck, bus, all-terrain vehicle, utility task vehicle; wheels for automobile, truck, bus, all-terrain vehicle, utility task vehicle; tires for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering wheel for automobile, truck, bus, all-terrain vehicle, utility task vehicle; accelerators and brake pedal for automobile, truck, bus, all-terrain vehicle, utility task vehicle
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power transmissions and gearing, machine elements not for land vehicles; steering systems, not for land vehicles; steering systems for agricultural machines; steering systems for construction machines; agricultural machines and agricultural implements, other than hand-operated; parts of agricultural machines and agricultural implements, other than hand-operated; construction machines; parts of construction machines; non-electric prime movers, not for land vehicles; parts of non-electric prime movers; electronic control apparatus for agricultural machines; power steering device and parts thereof for agricultural machines; steering systems and parts thereof for agricultural machines; steering systems for agricultural machines (including linkless type); electronically controlled steer-by-wire systems for agricultural machines; electronic control apparatus for construction machines; power steering device and parts thereof for construction machines; steering systems and parts thereof for construction machines; steering systems for construction machines (including linkless type); electronically controlled steer-by-wire systems for construction machines; electronic control apparatus for non-electric prime movers; power steering device and parts thereof for non-electric prime movers; steering systems and parts thereof for non-electric prime movers; steering systems for non-electric prime movers (including linkless type); electronically controlled steer-by-wire systems for non-electric prime movers. Electronic machines and apparatus and their parts; computer program; electronically controlled steer-by-wire systems for land vehicles; electronically controlled steering systems for land vehicles (including linkless type); electronically controlled steering systems for land vehicles; electronic control apparatus and their parts for land vehicles; electric control machines and apparatus; electronic control apparatus; steering angle sensors; position detection sensors; sensors for autonomous driving; steering wheel torque sensors; sensors; computer software for land vehicles steering systems; control apparatus for autonomous vehicles; measuring or testing machines and instruments; power distribution or control machines and apparatus; rotary converters; phase modifiers; telecommunication machines and apparatus. Mechanical elements for land vehicles; power transmissions and gearing, machine elements for land vehicles; electronically controlled steering apparatus for land vehicles; power steering device and parts thereof for land vehicles; steering systems and parts thereof for land vehicles; steering systems for land vehicles (including linkless type); electronically controlled steer-by-wire systems for land vehicles; non-electric prime movers for land vehicles, not including their parts; automobiles and their parts and fittings; automobile, truck, bus, all-terrain vehicle, utility task vehicle and their parts and fittings; brake systems for land vehicles; transmission for land vehicles; suspension systems for land vehicles; clutches for land vehicles; steering wheels for land vehicles; wheels for land vehicles; tires for land vehicles; steering wheel for land vehicles; accelerators and brake pedal for land vehicles.
6.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device is configured to perform a manipulated variable calculation process, a correction process, and an operation process. The manipulated variable calculation process is a process of calculating a manipulated variable of control that uses steering torque as a controlled variable and uses desired steering torque as a desired value of the controlled variable. The correction process is a process that uses the steering torque and the manipulated variable as inputs, and is a process of correcting the manipulated variable with a correction amount according to a difference between the steering torque estimated by a nominal model and actual steering torque. The operation process is a process of operating a motor of the steering system so as to generate torque according to the manipulated variable corrected by the correction process.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
A motor control device (11) is provided with a command value computation unit (31) and a disturbance observer unit (33). The command value computation unit computes a command value (T*ldld) acting on the mechanical device on the basis of the command value and rotation information (θ) regarding the motor and corrects the command value on the basis of the estimated disturbance. The disturbance observer unit includes an estimator (33A) that has a nominal plant (P^). The nominal plant is a model that simulates the mechanical device, and is constituted only by an inertia term from among an inertia term, a viscosity term, and a rigidity term. The estimator estimates the disturbance on the basis of the difference between output of the mechanical device in response to the command value and output of the nominal plant in response to the command value.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Monitoring devices with display monitors for managing equipment, production lines, and processes in factories; measuring or testing machines and instruments; power distribution or control machines and apparatus; telecommunication machines and apparatus; electronic machines, apparatus and their parts
A CO2 collection system is configured to collect CO2 by bringing CO2-containing gas into contact with a reaction liquid containing NaOH and stored in a reaction tank to produce a target product. The target product to be extracted from the reaction liquid is adjusted according to a maximum temperature of the reaction liquid after production of NaHCO3 in the reaction liquid, an extraction temperature that is a temperature of the reaction liquid when the target product is extracted from the reaction tank, and an initial concentration of the NaOH in the reaction liquid.
A motor unit (11) comprises a motor (15), a circuit board (21), a case (13) for accommodating the motor (15), and a cover (14) for accommodating the circuit board (21). The case (13) has a case-side fitting portion (611). The cover (14) has a cover-side fitting portion (141). The case-side fitting portion (611) has a case-side facing portion (611a). The case-side facing portion (611a) is disposed on the outside of the case-side fitting portion (611). The cover-side fitting portion (141) has a cover-side facing portion (141a). The cover-side facing portion (141a) is disposed on the outside of the cover-side fitting portion (141). The case-side facing portion (611a) and the cover-side facing portion (141a) form a first rib (L1) which protrudes radially outward. The range of the first rib (L1) in the axial direction is smaller than the range in which the case-side fitting portion (611) and the cover-side fitting portion (141) are fitted in the axial direction.
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
11.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
This steering control device is configured to execute offset amount calculation processing, offset compensation processing, and offset reduction processing. The offset amount calculation processing is processing for calculating an offset amount which is a difference equivalent amount between a target turning equivalent angle and an actual turning equivalent angle with satisfaction of a predetermined condition as a trigger. The offset compensation processing is processing for correcting the target turning equivalent angle by an offset correction amount corresponding to the offset amount. The predetermined condition includes a plurality of types of conditions. The offset amount calculation processing and the offset compensation processing are provided separately for each of the plurality of types of conditions. The offset reduction processing is processing for reducing the magnitude of the offset correction amount, and when two or more mutually different offset compensation processing instances are executed, includes cooperative processing for cooperatively setting a reduction rate of the offset correction amount used in the two or more offset compensation processing instances.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
12.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
This steering control device is configured to execute offset amount calculation processing, offset compensation processing, and offset reduction processing. The offset amount calculation processing is processing for calculating an offset amount which is a difference equivalent amount between a target turning equivalent angle and an actual turning equivalent angle. The offset compensation processing is processing for correcting the target turning equivalent angle by an offset correction amount corresponding to the offset amount. The offset reduction processing is for reducing the magnitude of the offset correction amount, and is processing for, when the magnitude of the offset correction amount is reduced to a predetermined value or less, changing a reduction rate according to the magnitude of the offset correction amount, under a condition in which the reduction rate of the magnitude of the offset amount when the magnitude of the offset correction amount is large is equal to or greater than the reduction rate when the magnitude of the offset correction amount is small.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
13.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
This steering control device is configured to execute a steering angle acquisition process, a target turning equivalent angle setting process, a turning operation process, a determination process, and a gradual change process. The target turning equivalent angle setting process is a process for setting a target turning equivalent angle according to a selected driving mode among a plurality of driving modes on the basis of a steering angle as an input variable. The plurality of driving modes are set such that the gear ratio, which is the ratio of the target turning equivalent angle to the steering angle, can be different in each of the driving modes. The determination process is a process for assessing, on the basis of whether a vehicle is in a stopped state or a traveling state, whether or not to execute the gradual change process when a request to switch the driving mode occurs. The gradual change process is a process for gradually bringing the target turning equivalent angle corresponding to the driving mode before switching closer to the target turning equivalent angle corresponding to the driving mode after switching.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
14.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device according to the present invention is configured to execute an operation process, an offset amount calculation process, an offset compensation process, an offset reduction process, and a reduction process. The operation process is a process for operating a motor for turning a turning wheel in accordance with a differential operation amount. The offset amount calculation process is a process for calculating an offset amount, which is an amount equivalent to the difference between a target turning equivalent angle and the actual turning equivalent angle. The offset compensation process is a process for correcting the target turning equivalent angle by using an offset correction amount corresponding to the offset amount. The offset reduction process is a process for gradually reducing the magnitude of the offset correction amount. The reduction process is a process for reducing changes in a change speed of the target turning equivalent angle for calculating the operation amount when the offset compensation process is carried out.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
A biogas production system is to produce biogas using, as raw materials, waste water-soluble coolants collected from machining devices that perform cutting or grinding. The biogas production system includes a plurality of storage tanks to separate by type and store the waste water-soluble coolants collected from the machining devices; concentration measuring units to measure concentrations of the waste water-soluble coolants in the storage tanks; a mixing device to prepare a coolant mixture containing a plurality of the waste water-soluble coolants by mixing the waste water-soluble coolants in the storage tanks at a ratio calculated based on the concentrations of the waste water-soluble coolants; and a fermentation device to produce the biogas by fermenting the coolant mixture supplied from the mixing device using microorganisms.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
17.
METHOD FOR WELDING METAL MEMBER, RESIN-METAL COMPOSITE, AND BATTERY MODULE
A first busbar 21 having a first joining surface 21a and a second busbar 22 having a second joining surface 22a are welded as a result of an abutting step for abutting and bringing the first joining surface 21a and the second joining surface 22a into surface contact with each other, and a welding step for welding the first joining surface 21a and the second joining surface 22a by emitting a laser beam 90. The first metal member 21 has a first end face 21b forming a corner 212 with the first joining surface 21a. The second metal member 22 has a step surface 22c which is continuous with the second joining surface 22a and which forms a step 220 with the first end face 21b. In the welding step, the laser beam 90 is emitted toward the corner 212 from the first busbar 21 side relative to the step surface 22c.
This motor control device includes a road surface reaction force characteristic setting unit that sets a road surface reaction force characteristic coefficient on the basis of vehicle information. The road surface reaction force characteristic setting unit includes: a vehicle behavior prediction unit that uses a vehicle behavior prediction model that includes, as an optimization coefficient, a candidate for the road surface reaction force characteristic coefficient, to predict a plurality of vehicle behaviors corresponding to the vehicle information and the optimization coefficient; a vehicle behavior determination unit that determines one appropriate vehicle behavior from among the plurality of vehicle behaviors predicted by the vehicle behavior prediction unit; and a road surface reaction force characteristic determination unit that determines, as the road surface reaction force characteristic coefficient, the optimization coefficient used to predict the vehicle behavior determined by the vehicle behavior determination unit.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
This battery module 1 comprises: a pouch-type battery cell 2 having a battery part 3, which has a plurality of positive electrode plates 311 and negative electrode plates 312 that are laminated and an electrolytic solution 32, and an exterior material 4, which covers the battery part 3; and an interposed plate 5 for reducing the internal pressure of the exterior material 4 when the pouch-type battery cell 2 expands. The pouch-type battery cell 2 includes: a battery housing part 2a in which the battery part 3 is inserted in the exterior material 4; and a seal part 2b in which the exterior material 4 is sealed around the battery housing part 2a. The interposed plate 5 has at least: a plate part 51 facing the seal part 2b of the pouch-type battery 2; and a protrusion part 52 which protrudes from the plate part 51 and which breaks through the exterior material 4 when the pouch-type battery 2 expands. A ventilation groove 520, through which gas discharged from an opening 40 formed in the exterior material 4 by the protrusion part 52 flows, is formed in a side face 52a of the protrusion part 52.
A steering device includes: a first shaft that holds an operating member; a second shaft; a first tube that moves with the first shaft; a second tube that guides the first tube; a moving mechanism that moves the first tube to a first region in which the first shaft is allowed to rotate and a second region in which the first shaft is not allowed to rotate; a lock piece disposed on the proximal end side with respect to the first tube positioned in the first region; and a biasing member that biases the lock piece. When the first tube is positioned in the second region, the lock piece engages with an engaged portion provided on the first shaft so as not to allow the first shaft to rotate.
B62D 1/183 - Colonnes de direction susceptibles de déformation ou réglables, p. ex. inclinables réglables entre une position d'utilisation et une position de non utilisation, p. ex. pour améliorer l'accès
B60R 25/021 - Équipements ou systèmes pour empêcher ou signaler l’usage non autorisé ou le vol de véhicules agissant sur des systèmes ou des équipements de véhicules, p. ex. sur les portes, les sièges ou les pare-brises agissant sur le mécanisme de direction limitant le mouvement de la colonne de direction ou du moyeu du volant de direction, p. ex. moyen de limitation commandé par l’interrupteur d’allumage
A battery module includes: a pouch battery cell including a battery portion and an exterior member that covers the battery portion; and an explosion-proof member. The explosion-proof member includes: a plate portion facing the pouch battery cell; and a protruding portion that is provided to protrude from the plate portion to break through the exterior member when the pouch battery cell is expanded. In the explosion-proof member, a first air passage through which a gas discharged from an opening formed in the exterior member by the protruding portion flows is provided in a part of the protruding portion excluding a distal end.
H01M 50/367 - Passages internes d’évacuation des gaz dans le couvercle ou le boîtier de la batterieSystèmes d’évent à double couvercle
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 50/143 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes ignifugesBoîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes à l'épreuve des explosions
A machining result estimation device (1) comprises: a machine model storage unit that stores a machine model (2) of a machine tool; an estimation-target-setting unit that sets an estimation target for a machining result pertaining to a workpiece (W); a machine behavior estimation unit that estimates the machine behavior of the machine model; a machining shape estimation unit (111) that estimates a machining shape on the basis of the estimation result from the machine behavior estimation unit; a removal volume calculation unit (201) that, on the basis of the estimation result from the machining shape estimation unit (111), calculates a removal volume that is removed from the workpiece (W) in each time series; a tangential resistance calculation unit (202) that, on the basis of the removal volume, calculates the tangential resistance of a machined part in each time series; a grinding power calculation unit (203) that, on the basis of the tangential resistance Ft, the rotational speed (V) of the tool (T), and the rotational speed (v) of the workpiece (W), calculates the grinding power (Q') in each time series; and a burn depth estimation unit (212) that, on the basis of the grinding power (Q') and a burn boundary power (Q'w), estimates the grinding burn depth generated in the machined part.
B24B 5/04 - Machines ou dispositifs pour meuler des surfaces de révolution des pièces, y compris ceux qui meulent également des surfaces planes adjacentesAccessoires à cet effet possédant des pointes ou des mandrins pour maintenir la pièce pour meuler extérieurement des surfaces cylindriques
This motor device (30) is provided with a motor (40), a substrate (52), and a heat dissipation material (65). The motor has a metal motor case (41) and a metal end wall (42) attached to an axial end of the motor case. The substrate has a heat generation portion (64) and is disposed so as to face the end wall (42) in the axial direction of the motor. The heat dissipation material has fluidity at least during application, and is interposed between the heat generation portion and the end wall. The end wall has a first surface (40B1) that contacts the heat dissipation material, and a second surface (40B2) that is adjacent to the first surface and is disposed on a specific side with respect to the first surface. The specific side is a side on which the flow of the heat dissipation material needs to be suppressed. The second surface is inclined relative to the first surface such that the second surface gradually separates from the substrate toward the specific side.
A planetary gear mechanism 10 has a sun gear 11, a plurality of planetary gears 12, a carrier 13 supporting the plurality of planetary gears 12, and a pair of thrust bearings 14 for supporting axial forces in the planetary gears 13. Each planetary gear 13 has a planetary shaft part 23 where a first gear 21 and a second gear 22 are juxtaposed in the axial direction and positioned on the outer periphery. The carrier 13 has a support shaft 26 for supporting the planetary gears 12, and a pair of disk parts 27. The planetary shaft part 23 has a bearing raceway surface 25 on an end face 24 in the axial direction thereof. The thrust bearings 14 have a plurality of balls 31 disposed between the bearing raceway surface 25 and a lateral surface 28 of the disk parts 27, and a cage 32 holding the plurality of balls 31.
F16H 1/28 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital
F16C 19/12 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges axiales principalement pour recevoir l'extrémité d'un arbre ou d'un autre organe, p. ex. crapaudines
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power transmissions and gearing, machine elements not for land vehicles; steering systems, not for land vehicles; steering systems for agricultural machines; steering systems for construction machines; agricultural machines and agricultural implements, other than hand-operated; parts of agricultural machines and agricultural implements, other than hand-operated; construction machines; parts of construction machines; non-electric prime movers, not for land vehicles; parts of non-electric prime movers; electronic control apparatus for agricultural machines; power steering device and parts thereof for agricultural machines; steering systems and parts thereof for agricultural machines; steering systems for agricultural machines (including linkless type); electronically controlled steer-by-wire systems for agricultural machines; electronic control apparatus for construction machines; power steering device and parts thereof for construction machines; steering systems and parts thereof for construction machines; steering systems for construction machines (including linkless type); electronically controlled steer-by-wire systems for construction machines; electronic control apparatus for non-electric prime movers; power steering device and parts thereof for non-electric prime movers; steering systems and parts thereof for non-electric prime movers; steering systems for non-electric prime movers (including linkless type); electronically controlled steer-by-wire systems for non-electric prime movers. Electronic machines and apparatus and their parts; computer programs; electronically controlled steer-by-wire systems for land vehicles; electronically controlled steering systems for land vehicles (including linkless type); electronically controlled steering systems for land vehicles; electronic control apparatus and their parts for land vehicles; electric control machines and apparatus; electronic control apparatus; steering angle sensors; position detection sensors; sensors for autonomous driving; steering wheel torque sensors; sensors; computer software for land vehicles steering systems; control apparatus for autonomous vehicles; measuring or testing machines and instruments; power distribution or control machines and apparatus; rotary converters; phase modifiers; telecommunication machines and apparatus. Mechanical elements for land vehicles; power transmissions and gearing, machine elements for land vehicles; electronically controlled steering apparatus for land vehicles; power steering device and parts thereof for land vehicles; steering systems and parts thereof for land vehicles; steering systems for land vehicles (including linkless type); electronically controlled steer-by-wire systems for land vehicles; non-electric prime movers for land vehicles, not including their parts; automobiles and their parts and fittings; automobiles, trucks, busses, all-terrain vehicles, utility task vehicles and their parts and fittings; brake systems for land vehicles; transmission for land vehicles; suspension systems for land vehicles; clutches for land vehicles; steering wheels for land vehicles; wheels for land vehicles; tires for land vehicles; steering wheel for land vehicles; accelerators and brake pedal for land vehicles.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Steering systems for construction machines; construction machines; parts of construction machines; electronic control apparatus for construction machines; power steering device and parts thereof for construction machines; steering systems and parts thereof for construction machines; steering systems for construction machines (including linkless type); electronically controlled steer-by-wire systems for construction machines Electronic machines and apparatus and their parts; computer program; electronically controlled steer-by-wire systems for land vehicles; electronically controlled steering systems for land vehicles (including linkless type); electronically controlled steering systems for land vehicles; electronic control apparatus and their parts for land vehicles; electric control machines and apparatus; electronic control apparatus; steering angle sensors; position detection sensors; sensors for autonomous driving; steering wheel torque sensors; sensors; computer software for land vehicles steering systems; control apparatus for autonomous vehicles; measuring or testing machines and instruments; power distribution or control machines and apparatus; Rotary converters; Phase modifiers; telecommunication machines and apparatus Mechanical elements for automobile, truck, bus, all-terrain vehicle, utility task vehicle; power transmissions and gearing, machine elements for automobile, truck, bus, all-terrain vehicle, utility task vehicle; electronically controlled steering apparatus for automobile, truck, bus, all-terrain vehicle, utility task vehicle; power steering device and parts thereof for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering systems and parts thereof for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle (including linkless type); electronically controlled steer-by-wire systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; non-electric prime movers for automobile, truck, bus, all-terrain vehicle, utility task vehicle, not including their parts; automobile, truck, bus, all-terrain vehicle, utility task vehicle and their parts and fittings; brake systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; transmission for automobile, truck, bus, all-terrain vehicle, utility task vehicle; suspension systems for automobile, truck, bus, all-terrain vehicle, utility task vehicle; clutches for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering wheels for automobile, truck, bus, all-terrain vehicle, utility task vehicle; wheels for automobile, truck, bus, all-terrain vehicle, utility task vehicle; tires for automobile, truck, bus, all-terrain vehicle, utility task vehicle; steering wheel for automobile, truck, bus, all-terrain vehicle, utility task vehicle; accelerators and brake pedal for automobile, truck, bus, all-terrain vehicle, utility task vehicle
This steering device (100) comprises: a link mechanism (120) having a steering member (110), a pitman arm (94), and a tie rod (95); and an actuator (91). The tie rod (95) has a first end part (95a) connected to the steering member (110) and a second end part (95b) connected to the pitman arm (94). The steering member (110) is connected to an axle (203) of a steering wheel (200) and is rotated about a first rotation axis (Ra) by a force received from the tie rod (95). A second arm length (M2), which is the length from a second rotation axis (Rb) to the second end part (95b), is shorter than a first arm length (M1), which is the length from the first rotation axis (Ra) to the first end part (95a). When the steering wheel (200) is in a forward travel position, the angle between a straight line passing through the second rotation axis (Rb) and the second end part (95b) and a tie rod axis (95A) is substantially a right angle, and the reduction ratio of the link mechanism (120) is greater than 1.
This sliding member includes: a conductive sheet; and a metal ring that supports the sheet. The sheet includes: a first conductive member that is fixed in a state of being in contact with a metal first member on a first side in the radial direction of the metal ring; and a second conductive member that is slidably in contact with a metal second member on a second side in the radial direction and is connected to the first conductive member. The second conductive member has a higher conductivity than the first conductive member.
An inertial measurement device (100) comprises: a first inertial sensor (111); a first wiring substrate (121) on which the first inertial sensor (111) is mounted; a support member (130) that supports the first inertial sensor (111); a first heat insulation member (141) that is disposed between a first support part (131) of the support member (130) and the first wiring substrate (121) in a first direction, which is the arrangement direction of the first support part (131) and the first wiring substrate (121), and inhibits heat flow between the first inertial sensor (111) and the support member (130); and a first vibration isolation means (151) that is disposed between the first heat insulation member (141) and the first support part (131) in the first direction.
G01C 19/00 - GyroscopesDispositifs sensibles à la rotation utilisant des masses vibrantesDispositifs sensibles à la rotation sans masse en mouvementMesure de la vitesse angulaire en utilisant les effets gyroscopiques
G01P 15/00 - Mesure de l'accélérationMesure de la décélérationMesure des chocs, c.-à-d. d'une variation brusque de l'accélération
30.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device (60) is to be controlled by a steering device provided with a plurality of motors for transmitting power to steered wheels. The steering control device is configured to execute an operation amount calculation process, an abnormality detection process, a distribution process, an operation process, and a change process. The operation amount calculation process is a process for calculating an operation amount for controlling the control amount of a control target. The distribution process is a process for changing the distribution of the operation amount to each of the plurality of motors in accordance with an abnormality detection result obtained via the abnormality detection process. The operation process is a process for operating a drive circuit of the motor on the basis of an operation amount distributed by the distribution process as an input variable. The change process includes a process for changing a value of a constant used when calculating the operation amount in the operation amount calculation process when the abnormality is detected.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
This grease composition comprises a base oil, a thickener, and an additive, wherein: the thickener is lithium soap; the additive includes a molybdenum dialkyl dithiocarbamate and octadecanamide; the ratio of the molybdenum dialkyl dithiocarbamate to the total mass of the grease composition is 0.1%-4.0% by mass; and the ratio of octadecanamide to the total mass of the grease composition is 0.5%-10.0% by mass.
C10M 169/06 - Mélanges d'épaississants et d'additifs
C10M 117/00 - Compositions lubrifiantes caractérisées en ce que l'épaississant est un acide carboxylique non macromoléculaire ou ses sels
C10M 117/04 - Compositions lubrifiantes caractérisées en ce que l'épaississant est un acide carboxylique non macromoléculaire ou ses sels comportant un seul groupe carboxyle lié à un atome de carbone acyclique ou cycloaliphatique ou à l'hydrogène contenant des groupes hydroxyle
A steering system (100) according to a first aspect comprises: a steering mechanism (110) capable of steering, by a driving force of a steering motor (111), a steering wheel (230) attached to a vehicle body (220) via a suspension mechanism (130); a vehicle height adjustment mechanism (120) having a lifting actuator (121) for lifting the vehicle body (220) in relation to the steering wheel (230); and a control device (140) for controlling the steering mechanism (110) and the vehicle height adjustment mechanism (120). The control device (140) is provided with a steering control unit (141) for controlling the steering motor (111) so that the steering angle of the steering wheel (230) does not change when the vehicle body (220) being stopped is lifted by the vehicle height adjustment mechanism (120).
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
A traveling device (100) according to a first aspect comprises: travel motors (130) that drive respective drive wheels respectively included in corner modules (110) which are disposed at both ends on the front side of a vehicle body (101) and/or disposed at both ends on the rear side of the vehicle body (101); and a plurality of power supply sources (140) that respectively supply electric power to the plurality of travel motors (130), wherein each of the power supply sources (140) is disposed in the corner module (110) in which the travel motor (130) that receives electric power supplied from said power supply source (140) is disposed.
In the present invention, a piston (52) has: a first portion (63); a second portion (64) that extends from the first portion (63) toward a valve body (31) and that is narrower than the first portion (63); a third portion (65) that extends from the second portion (64) toward the valve body (31) and that is narrower than the second portion (64); and a fourth portion that extends from the third portion (65) toward the valve body (31) and that is narrower than the third portion (65). The inside of an accommodation hole (13) is partitioned into a pressure adjustment chamber (74) and a pressure reduction chamber (75) as a result of a seal member (73) being disposed on the outer periphery of the second portion (64). A section of the second portion (64), the third portion (65), and the fourth portion is disposed in the pressure adjustment chamber (74), and the first portion (63) and a remaining section of the second portion (64) are disposed in the pressure reduction chamber (75).
F16K 17/30 - Soupapes ou clapets limiteurs de débit fonctionnant par différence de pression entre deux points de l'écoulement et agissant directement sur l'élément d'obturation dans un sens uniquement sous l'action d'un ressort
An electrode sheet fabrication device includes a support roll that supports an electrode sheet, a pressing roll which faces the support roll with the electrode sheet sandwiched between the pressing roll and the support roll and at least whose outer circumference surface is made of rubber, and a controller. In the controller, a movement controller moves the pressing roll from a first position at which the pressing roll is separated from the electrode sheet toward a second position at which the pressing roll contacts the electrode sheet before conveyance of the electrode sheet starts. The conveyance controller conveys the electrode sheet after the pressing roll has moved to the second position. The pressing controller presses the pressing roll against the electrode sheet from the second position when conveyance of the electrode sheet is started or when a reference time has elapsed since conveyance of the electrode sheet was started.
B21B 37/46 - Commande de la vitesse des cylindres ou du moteur d'entraînement
B21B 1/24 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies selon un processus continu
B21B 39/02 - Avance du matériau ou soutien de celui-ciSystèmes de freinage ou de tension
36.
ELECTRODE SHEET PROCESSING METHOD AND ELECTRODE SHEET MANUFACTURING DEVICE
A processing method for an electrode sheet includes a preparing step, a heat applying step, and a stretching step. In the heat applying step, a surface temperature of a press roll is increased by the heat application control portion until the surface temperature of the reaches the reference temperature or more. The heat applying step is executed before the stretching step is executed. In the stretching step, the stretching control portion stretches the non-coated portion (non-formed portion) by the press roll.
B05C 11/02 - Appareils pour étaler ou répartir des liquides ou d'autres matériaux fluides déjà appliqués sur une surfaceRéglage de l'épaisseur du revêtement
An electrode sheet manufacturing device is a device for manufacturing an electrode sheet including a non-formed portion and an active material layer, and includes: a conveyor that conveys the electrode sheet; a support roll that supports the electrode sheet; a pressing roll including a rubber layer at a surface thereof and facing the support roll; and a driver that presses pressing roll against the support roll. The pressing roll sandwiches the non-formed portion together with the support roll. The electrode sheet manufacturing device stores a predetermined relationship between a conveyance speed of the electrode sheet and a pressing force of the driver, and controls the pressing force of the driver based on the conveyance speed of the electrode sheet and the stored relationship.
A vehicle steering device (1) is provided with a steering control unit (60) for controlling a steering motor unit (4) that includes: a steering motor (13) connected to a steering shaft (11); and a steering motor angle sensor (42) that detects a steering motor angle (θa). The vehicle steering device is provided with a rotation angle processing unit (52) that includes: a non-volatile memory (52b) that stores a reference value (N) serving as a reference for an integrated angle (θg) integrated in accordance with the rotation of the steering shaft; and an absolute angle calculation unit (52a) that calculates an absolute angle (θabs) on the basis of the integrated angle and the reference value. The steering control unit executes processing for calculating a steering control angle (θs) in the course of controlling the operation of the steering motor. The processing for calculating the steering control angle includes processing for calculating the steering control angle on the basis of the reference value and the absolute angle obtained from the rotation angle processing unit, and the steering motor angle obtained from the steering motor angle sensor.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
An excess flow valve (18) restricts the flow of a gas flowing in a specific direction through a gas flow passage when the flow rate of the gas exceeds a predetermined flow rate. The excess flow valve has a valve seat (41), a valve body (42), a biasing member (43), and a stopper (44). The valve body (42) has a valve portion (61), a receiving portion (64), and a valve body flow passage (65). The stopper is an annular member having a cutout (44A) in a part of the ring, and is attached inside a valve body housing portion (53) such that the gas passes through the cutout. The cutout is configured so that when the gas flows through the gap between the outer peripheral surface of the valve body and the inner peripheral surface of the valve body housing portion in a direction opposite to the specific direction, the action of the gas passing through the cutout causes an imbalance of pressure distribution around the valve body. The gap between the outer peripheral surface of the valve body and the inner peripheral surface of the valve body housing portion is set to a size such that the valve body is pressed against the inner peripheral surface of the valve body housing portion when radial force acts on the valve body due to the imbalance of pressure distribution around the valve body.
09 - Appareils et instruments scientifiques et électriques
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Metalworking machines, namely, grinding machines, machining centers, cutting machines, high-precision machine tools in the nature of metal working machine tools, electric compressors, metal forming and metal drawing machines, lathes, assembly machines for metal working machine equipment, thread rolling machines Measuring or testing machines and instruments, namely, water tank level gauges, semiconductor electrical transducers for liquid use, semiconductor electrical transducers for pneumatic use, electrical power distribution blocks, hot and cold thermal shock testing apparatus; power distribution or control machines and apparatus, namely, power controllers, programmable logic controllers, relaying boxes in the nature of electric relays, terminal processors in the nature of data processing device, electric switches, pressure switches for monitoring, controlling, and switching hydraulic or pneumatic systems; telecommunication machines and apparatus, namely, telephone apparatus, wire communication machines and apparatus in the nature of open-wire transmission machines and apparatus, transmission machines and apparatus in the nature of facsimile transmission machines, broadcasting machines and apparatus in the nature of cable broadcast transmission machines and apparatus, radio communication machines and apparatus in the nature of single-channel radio communication machines and apparatus for fixed stations, radio application machines and apparatus in the nature of apparatus for wireless transmission of acoustic information, remote control telemetering machines and instruments, audio frequency machines and instruments in the nature of audio-frequency transformers, video frequency machines and apparatus in the nature of video frequency amplifiers, parts and accessories for telecommunication machines and apparatus; monitoring devices, namely, wireless controllers to monitor and manage the functioning of electronic equipment within production lines and factories; downloadable electronic publications in the nature of catalogs, operation manuals, and maintenance manuals; downloadable software for providing audio voice recordings, pre-recorded voice, music, images, and videos sharing that enables users to upload, view, and download digital photos; downloadable software for creating and delivering digital content; downloadable software for analysis and reporting of past purchases; downloadable software for database management for managing machine tools and for use as a spreadsheet; downloadable software for monitoring machine operation status, notifying, detecting abnormalities and scheduling inspections; downloadable software for operating and assisting machines by remote control; downloadable software for scheduling machine inspections; downloadable software for data backup and software version updates of electronic devices; downloadable software for monitoring and managing potential malfunctions and parts replacement timing in metalworking machines and components; monitoring devices, namely wireless controllers to monitor, manage and control the progress of factory production line work processes Advertising services; providing information in the field of the sale of goods; providing economic consultation in the field of automobile parts production control for the purpose of developing strategies to improve organizational structure in the automobile industry; providing economic consultation in the field of automobile parts manufacturing for the purpose of improving productivity in manufacturing industry; constructing and editing information onto computer databases, namely, updating and maintenance of data in computer databases; preparation of business reports relating to commissioning status, equipment abnormality and equipment abnormality history information of machine tools and measuring or testing machines and instruments; business services provided to the automobile machinery industry, namely, the collection and analysis of automobile machinery functioning quality data for business purposes Repair or maintenance of software for providing electronic publications such as catalogs, operation manuals, and maintenance manuals; repair or maintenance of software for providing audio recordings, music, images, and videos; repair or maintenance of software for creating and delivering digital content; repair or maintenance of software for analysis and reporting of past purchases; repair or maintenance of software for database management and managing machine tools; repair or maintenance of software for monitoring machine operation status, notifying, detecting abnormalities, and scheduling inspections; repair or maintenance of software for operating and assisting machines by remote control; repair or maintenance of software for scheduling machine inspections; Repair or maintenance of software for data backup and software version updates of electronic software; repair or maintenance of software for managing malfunctions and parts replacement timing in metalworking machines and components; repair or maintenance of wireless controllers for monitoring, managing, and controlling the progress of factory production line work processes; repair or maintenance of telecommunication machines and apparatus, namely, repair or maintenance of telephone apparatus, wire communication machines and apparatus, transmission machines and apparatus, broadcasting machines and apparatus, radio communication machines and apparatus, radio application machines and apparatus, remote control telemetering machines and instruments, audio frequency machines and instruments, video frequency machines and apparatus, parts and accessories for telecommunication machines and apparatus; repair or maintenance of electric motors; repair or maintenance of power distribution or control machines and apparatus, namely, repair or maintenance of power controllers, programmable logic controllers, relaying boxes, terminal processors, electric switches, and pressure switches; repair or maintenance of electricity generators; repair or maintenance of measuring or testing machines and instruments, namely, repair or maintenance of metalworking machine tools, water gauges, semiconductor manufacturing machines and systems in the nature of semiconductor transducers for liquid use and semiconductor transducers for pneumatic use, power distribution machines and apparatus, and hot and cold thermal shock testing apparatus; repair or maintenance of metalworking machines, namely, repair or maintenance of grinding machines, machining centers, cutting machines, high-precision machine tools, compressor, machines, lathes, assembly machines, automatic checking machines, thread rolling machines, coolant machines, and filtering machines for chemical processing; malfunction diagnosis of metalworking machines; malfunction diagnosis of measuring machines; providing information on remote monitoring of operating status and malfunction diagnosis of metalworking machines and measuring machines; detection of abnormalities based on data measured through remote monitoring of operating status of metalworking machines and measuring machines, and providing related information, consultation, and advice
This ball screw device 10 includes: a screw shaft 11 having a first spiral groove 15 on the outer periphery; a cylindrical nut 12 having, on the inner periphery thereof, a second spiral groove 16 facing the first spiral groove 15, the nut 12 surrounding a portion of the screw shaft 11; a plurality of balls 13 arranged in a rolling passage 17 formed between the first spiral groove 15 and the second spiral groove 16; and an annular flange 30 fixed to the outer peripheral side of the nut 12. The nut 12 has, in the middle of the second spiral groove 16, a circulation groove 23 for returning the balls 13 from the end side to the start side of the rolling passage 17. The inner diameter D1 of the flange 30 is larger than the outer diameter d1 of the nut 12 at an attachment part 25 for attachment to the flange 30. A resin part 40 fixed to an inner peripheral surface 31 of the flange 30 and an outer peripheral surface 26 of the attachment part 25 is included between the inner peripheral surface 31 and the outer peripheral surface 26.
F16H 25/24 - Éléments essentiels pour ces mécanismes, p. ex. vis, écrous
F16H 25/22 - Mécanismes à vis avec billes, rouleaux ou organes similaires entre pièces travaillant en conjugaisonÉléments essentiels pour l'utilisation de ces organes
A valve assembly includes a body and a plurality of valve subassemblies. The valve subassemblies include a safety valve having an inlet and another valve. The body has a gas flow passage including a first flow passage connected to a gas tank and a second flow passage connected to an external device, and an integrated attachment hole that communicates with each of the first flow passage and the second flow passage. The integrated attachment hole includes a first attachment hole that is open in an outer surface of the body and is configured such that the safety valve is attached, and a second attachment hole that is open in a bottom surface of the first attachment hole and is configured such that the other valve is attached. The inlet is configured to communicate with the first flow passage regardless of an open or closed state of the other valve.
F16K 11/22 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout actionnés par des organes de commande distincts chacun étant propre à une soupape, p. ex. conjugués pour former clapet à voies multiples
F16K 11/10 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout
F16K 11/24 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont plusieurs éléments de fermeture ne se déplacent pas comme un tout actionnés par des organes de commande distincts à soupape électromagnétique, p. ex. pour machines à laver
This gear pair includes a first gear and a second gear. A first usable tooth surface of the first gear and a second usable tooth surface of the second gear can be brought into contact. The cutting level difference Sxp (1% - 60%) of the first usable tooth surface and the second usable tooth surface is 0.25 µm to 0.45 µm. The average texture direction Std of the first usable tooth surface and the second usable tooth surface is -2.0° to 2.0°. The texture aspect ratio Str of the first usable tooth surface and the second usable tooth surface is more than 0.0 but no more than 0.2.
F16H 1/06 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant uniquement deux organes engrenés dont les axes sont parallèles
44.
CAGE, ROLLING BEARING, AND METHOD FOR MOLDING CAGE
A cage made of synthetic resin includes an annular body, a plurality of prongs, a plurality of gate marks formed away from each other in a circumferential direction, a weld formed between the gate marks adjacent to each other in the circumferential direction, and a plurality of pocket forming portions that is each disposed between the gate marks and in which pockets are formed. Each of the pocket forming portions has a through hole formed through a bottom of the pocket in an axial direction. The weld is formed between the gate marks only in a region on one circumferential side of the through hole or only in a region on the other circumferential side of the through hole.
A relief valve (1) comprises a housing (11), a piston (12), and a biasing member (13). The housing is a cylindrical body having a circular cross-sectional shape. The housing includes a peripheral wall having an output port (11B) for gas, a first end wall having an input port (11A) for gas, and a second end wall. The piston is accommodated inside the housing so as to be slidable in the axial direction. The piston is configured to open and close the input port. The biasing member is disposed in a spring chamber, which is a space between the piston and the second end wall. The biasing member constantly biases the piston in a valve closing direction. The output port is disposed at a position on the peripheral wall corresponding to a valve chamber, which is a space between the piston and the first end wall.
F16K 17/04 - Soupapes ou clapets de sûretéSoupapes ou clapets d'équilibrage ouvrant sur excès de pression d'un côtéSoupapes ou clapets de sûretéSoupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort
Valve subassemblies include a check valve attached to a first attachment hole in a body, and an electromagnetic valve attached to a second attachment hole in the body. A second flow passage includes a common port, a linear first portion extending from the common port, a linear second portion extending from the first portion while being bent, a linear third portion connecting the first attachment hole to the second portion, and a linear fourth portion connecting the second attachment hole to the second portion. The third portion intersects the second portion at an angle equal to or smaller than 90° with respect to a first connection point of the second portion to the first portion. The fourth portion extends parallel to the second portion from an end opposite to the first connection point with respect to a second connection point of the second portion to the third portion.
This motor control device includes: a manual steering command value generation unit that generates a manual steering command value by using an equation of motion of a reference model of a steering device; an integrated angle command value calculation unit that calculates an integrated angle command value by adding the manual steering command value to an automatic steering command value which is given when in a driving assistance mode; a control unit that performs angle control of an electric motor for steering angle control on the basis of the integrated angle command value; and a motion equation setting unit that changes the equation of motion in accordance with a lateral position of a vehicle reference position with respect to a travel lane and a time differential value of the actual steering angle or a time differential value of the manual steering command value.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
This information analysis system comprises a motion information acquisition unit, a position information acquisition unit, a product information acquisition unit, a creation unit that determines a viewing time during which a person was facing a viewed product, and creates first information associating product identification information with the viewing time, and a purchase information acquisition unit that acquires purchase information including at least one of product identification information of a purchased product, which is a product purchased by the person among the plurality of products, and product identification information of a non-purchased product, which is a product not purchased by the person. The creation unit performs second information creation processing for creating second information associating the product identification information, the viewing time, and information on whether or not the person made a purchase with one another by using the created first information and the acquired purchase information.
An electric wheelchair 1 includes a vehicle body 2 including a caster 2c and a main wheel 2b, a bracket 18 fixed to the vehicle body 2, an arm 20 supported by the bracket 18 so that the arm 20 is swingable in an up-down direction, a drive wheel 14 provided at a tip 21a of the arm 20, an actuator 16 configured to drive the drive wheel 14, and an elastic member 58 that is provided between the bracket 18 and the arm 20 and biases the arm 20 downward.
This information provision system comprises: a motion information acquisition unit that acquires motion information representing the motion of the head of a person; a position information acquisition unit that acquires position information of the person; a storage unit that stores object information related to a plurality of objects visible to the person and associating, for each object, first information indicating a position and second information different from the first information; an identification unit that collates the acquired motion information and acquired position information with the first information, and identifies an object toward which the person is facing from among the plurality of objects included in the object information; a creation unit that acquires second information on the identified object by using the object information, and creates image display data representing the acquired second information; and an output unit that outputs the image display data.
A rolling bearing device 10 comprises an outer member 11 having an outer raceway groove 221 on the inner periphery thereof, an inner member 12 having an inner raceway groove 321 on the outer periphery thereof, a plurality of balls 13 that roll in contact with the outer raceway groove 221 and the inner raceway groove 321, and a retainer 14 that retains the plurality of balls 13. The retainer 14 has an annular part 51 positioned on an axial-direction first side of the balls 13, and a plurality of column parts 52 extending from the annular part 51 to an axial-direction second side. Individual spaces between the annular part 51 and two columnar parts 52 adjacent to one another in the circumferential direction are pockets 53 in which individual balls 13 are accommodated. The pockets 53 each have a pocket surface 54 that faces the ball 13. The column parts 52 each have a column body portion 61 positioned on the axial-direction second side of the annular part 51, and a claw part 62 that is positioned on the radial-direction outer side of the column body portion 61 and protrudes radially outward from a radial outer surface 511 of the annular part 51. A recessed surface 57 serving as a grease reservoir is provided in each region where the radial outer surface 56 of a claw part 62 and a pocket surface 54 intersect.
A spindle device includes a main spindle having a tapered hole that is positioned at one end and to which a tool is removably attached, and a spindle cylindrical portion that is positioned on the other end side with respect to the tapered hole and communicates with the tapered hole, a collet chuck that is disposed inside the spindle cylindrical portion and grips the tool, and a drawbar that is connected to the other collet end of the collet chuck and moves the collet chuck forward and backward along an axial direction of the main spindle. The collet chuck includes a plurality of collet clearances that extends from one collet end forming one end and having an annular shape toward the other end of the main spindle, and forms channels that guide air to the tapered hole. The spindle cylindrical portion has a housing space in which the other collet end is housed in a clamped state. The main spindle includes a plurality of spindle air supply channels for supplying air to the housing space in an unclamped state. The spindle device further includes an annular channel that communicates upstream sides of the plurality of spindle air supply channels.
B23B 31/26 - Mandrins de serrage caractérisés par le système de commande à distance des moyens de serrage utilisant des transmissions mécaniques dans la broche de travail
53.
BALL SCREW DEVICE AND ELECTRIC POWER STEERING DEVICE
A ball screw device (23) is provided with a ball screw shaft (12), a ball nut (31), a plurality of balls (32), and a return tube (33). The return tube has an intermediate part (41), a first insertion end part (42), a second insertion end part (43), a first curved part (44), and a second curved part (45). The ball nut has an attachment part (34) to which the return tube is attached. The attachment part has an intermediate part facing part (51), a first insertion hole (52), a second insertion hole (53), a first curved part facing part (54), and a second curved part facing part (55). The intermediate part facing part is constituted of a single flat surface parallel to the axis of the ball nut. Each of the first curved part facing part and the second curved part facing part is constituted of a plurality of flat surfaces (54A, 54B, 54C, 55A, 55B, 55C) parallel to the axis of the ball nut.
F16H 25/22 - Mécanismes à vis avec billes, rouleaux ou organes similaires entre pièces travaillant en conjugaisonÉléments essentiels pour l'utilisation de ces organes
B62D 3/08 - Boîtiers de direction mécaniques du type à vis sans fin à vis et écrou utilisant des billes intermédiaires ou des éléments analogues
Provided is a sliding member including: a sheet that is a nonwoven fabric or a woven fabric formed from conductive fibers; a metal ring; and a rubber. The sheet integrally has: a fixed part that is fixed in a state of being in contact with a first member made of a steel material on a first side in the radial direction of the metal ring; a sliding part that slidably contacts a second member made of a steel material on a second side in the radial direction; and an intermediate part that is positioned between the fixed part and the sliding part. The rubber has a first portion that is adhered to the sliding part. The ratio of the thickness of the sliding part in the axial direction to the thickness in the axial direction of the sliding member including the sliding part and the first portion is 25-35%.
F16C 33/78 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux avec diaphragme, disque ou bague, avec ou sans parties élastiques
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
(1) Asbestos; asbestos fire curtains; condenser paper; electrical insulating paints; floating anti-pollution barriers; industrial packaging containers of rubber; joint packing for pipes; mica; rubber lids and caps for industrial packaging containers; rubber stoppers for industrial packaging containers; rubber thread and covered rubber yarn; rubber, raw and semi-worked; slag wool; valves of rubber; vulcanized fiber; washers of rubber or vulcanized fiber
(2) Gaskets; junctions for pipes (not of metal); seals; non-metal oil seals for use in machines and machine elements; non-metal oil seals for use in automobiles, their parts and fittings; non-metal oil seals for use in metalworking and machines and tools, and in consumer and industrial electronic products; non-metal grease seals for use in machines and machine elements; non-metal grease seals for use in automobiles, their parts and fittings; non-metal grease seals for use in metalworking and machines and tools, and in consumer and industrial electronic products; non-metallic O-rings for use in machines and machine elements; non-metallic O-rings for use in automobiles, their parts and fittings; non-metallic O-rings for use in metalworking and machines and tools, and in consumer and industrial electronic products; synthetic fibers, not for textile use; rock wool; chemical fiber yarn and thread (not for textile use); plastic semi-worked products (for use as material); soundproofing materials of rock wool (not for building purposes).
This fluid tank has: a control valve (20) provided downstream of a circulation part (12) in an inflow direction in which a fluid flows into a tank body; and a filter device (30) provided to the circulation part (12). The control valve (20) has a valve body (23) configured to be displaced by being pressed from the circulation part (12) toward the inside of the tank body. The filter device (30) has: a filter (31) that traps foreign matter; and a filter holder (32) that holds the filter (31). The control valve (20) is switched from an open state (S1) to a closed state as a result of the valve body (23) being pressed by the filter holder (32).
According to the present invention, a steering control system includes a motor control device that performs drive control of an electric motor of a steering device and is connected to a steering torque detection unit that detects steering torque applied to a steering member, an integrated control device that performs integrated control of a plurality of control devices that include the motor control device and respectively control a plurality of onboard systems, and a plurality of detection devices that are connected to the integrated control device. The integrated control device includes a manual steering command value calculation unit that calculates a manual steering command value on the basis of steering torque applied from the motor control device and information obtained from a detection signal from at least one of the plurality of detection devices and an automatic steering command value calculation unit that calculates an automatic steering command value for driving assistance. The motor control device controls the electric motor on the basis of an integrated angle command value calculated from the manual steering command value and the automatic steering command value.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
58.
VEHICLE CONTROL DEVICE, VEHICLE CONTROL METHOD, AND VEHICLE CONTROL PROGRAM
A control device (30, 60) is configured so as to execute linear conversion processing, linearization processing, and operation processing. The linear conversion processing is for linearly converting a value of an input variable into a value of an intermediate variable. The input variable in the linear conversion processing is a variable related to a control amount for controlling the trajectory of a vehicle along a target trajectory. The linearization processing is for converting the value of the intermediate variable into a value of a target variable on the basis of a value of a travel direction variable, the vehicle speed, and a value of a trajectory curvature variable as input variables. The operation processing is for operating an actuator on the basis of the value of the target variable as an input variable.
B60W 10/184 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des systèmes de freinage avec des freins de roues
B60W 10/20 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des systèmes de direction
B60W 50/06 - Détails des systèmes d'aide à la conduite des véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier pour améliorer la réponse dynamique du système d'aide à la conduite, p. ex. pour améliorer la vitesse de régulation, ou éviter le dépassement de la consigne ou l'instabilité
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
A controller (3) of a motor device according to the present invention comprises a base plate (61) having a first surface (66) and a second surface (67) that face in opposite directions from each other in the axial direction. The base plate (61) has a main region (61A) and a sub-region (61B) defined by a virtual plane intersecting the first surface (66) and the second surface (67). The motor device comprises a first seal member (101) and a second seal member (102) that extend linearly. The first seal member (101) is interposed between the base plate (61) and a first portion of the motor device that faces the first surface (66) in the axial direction. The second seal member (102) is interposed between the base plate (61) and a second portion of the motor device that faces the second surface (67) in the axial direction. Each of the first seal member (101) and the second seal member (102) has a separating portion extending so as to separate the main region (61A) and the sub-region (61B) from each other.
A motor device (10) comprises: a motor case (21) having a peripheral wall; a stator (22) fitted to the inner peripheral surface of the motor case; and a rotor (23) disposed inside the stator. The motor case has a first end part and a second end part, which are positioned on the opposite side of each other in the axial direction, and the motor case is configured such that the second end part can be attached to an attachment object (30). The second end part includes an attachment part (17A) that is provided to an outer peripheral surface of the second end part and that is configured to attach the motor case to the attachment object. The outer peripheral surface of the motor case has a groove (21B), and the groove is provided in a region of the motor case, which region is on the side opposite from the attachment object with respect to the attachment part and is in the circumferential direction of the motor case corresponding to at least the attachment part.
A motor device (11) has a motor (12), a circuit board (32), and motor terminals (24B) that electrically connect a power source and the motor via the circuit board. The motor includes a rotor (25) and a stator (23). The stator comprises a winding (23D). The motor terminals have a winding end (24Ba) connected to the winding and a board end (24Bb) connected to the circuit board. The circuit board has: through-holes (32A); and lands (32B), each of which is provided on the circumferential edge of a respective through-hole and electrically connected, via solder (23C), to a respective board end in a state of being inserted into the respective through-hole. The motor terminal includes a low-rigidity portion (24Bc) of lower rigidity compared to other portions, including the winding end and the board end.
A rolling bearing device 10 includes: a cylindrical housing 11 having an opening on one side in an axial direction; a rotary shaft 12 having a flange 22; a first rolling bearing 13 having a first outer ring 23 and rotatably supporting the rotary shaft 12; a second rolling bearing 14 having a second outer ring 24 and rotatably supporting the rotary shaft 12; a spacer 15; an annular groove 31 provided at a position on one side in an axial direction of the first outer ring 23 on an inner periphery of the housing 11; a mounting hole 32 penetrating the housing 11 in a radial direction from a bottom part of the groove 31; and a stop member 16 inserted into the housing 11 through the mounting hole 32 and regulating movement of the first outer ring 23 to one side in the axial direction. The stop member 16 has a pair of arm parts 41, 42 and a base part 43 connecting the pair of arm parts 41, 42. Respective tip parts of the pair of arm parts 41, 42 are fitted in the groove 31.
F16C 35/067 - Leur fixation dans la carcasse d'enveloppe
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
H01J 35/10 - Anodes tournantesDispositions pour anodes tournantesRéfrigération des anodes tournantes
A reverse control device starts reversing a combination vehicle by autonomous driving only when conditions for appropriately performing the autonomous driving are satisfied, and stably reverses the combination vehicle by the autonomous driving. The autonomous driving functions as a reverse control device and is installed in a towing vehicle of a combination vehicle in which a towed vehicle is connected to the towing vehicle, and controls the towing vehicle during autonomous reverse driving for reversing the combination vehicle by autonomous driving. The autonomous driving starts the autonomous reverse driving when towing reverse start conditions are satisfied, the towing reverse start conditions including that the speed of the towing vehicle is equal to or less than a predetermined value, and that steering torque of the towing vehicle is equal to or less than a predetermined value.
B60W 30/165 - Contrôle de la distance entre les véhicules, p. ex. pour maintenir la distance avec le véhicule qui précède suivant automatiquement le trajet d'un véhicule meneur, p. ex. "barre de remorquage automatique"
B60W 10/20 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des systèmes de direction
A pressure reduction valve (1) has: a body (11) with a gas flow path; a valve seat (14); a valve body (17); a piston (16), and a biasing member (18). The valve body has a shaft section (17A) and a valve section (17B). The gas flow path has a primary chamber (31), a secondary chamber (32), and an atmospheric chamber (33). The primary chamber and the secondary chamber are partitioned by the valve seat (14). The primary chamber and the atmospheric chamber are partitioned by a divider wall (21). The secondary chamber and the atmospheric chamber are partitioned by a piston. The body has a primary port (2) and a secondary port (3). The primary chamber is a region in which the valve part is disposed, and is a region extending from the primary port to the valve seat. The secondary chamber is a region extending from the valve seat to the secondary port. The atmospheric chamber is a region in which the biasing member is disposed and is open to the atmosphere. The shaft part penetrates the divider wall so as to be slidable in the axial direction and is connected to the valve part.
F16K 17/30 - Soupapes ou clapets limiteurs de débit fonctionnant par différence de pression entre deux points de l'écoulement et agissant directement sur l'élément d'obturation dans un sens uniquement sous l'action d'un ressort
G05D 16/10 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un piston ou un plongeur
65.
CONTROL DEVICE FOR COMBINATION VEHICLE, CONTROL METHOD FOR COMBINATION VEHICLE, AND CONTROL PROGRAM FOR COMBINATION VEHICLE
A control device is applied to a combination vehicle including a tractor and a trailer that is towed by the tractor. The control device is configured to perform a state quantity acquisition process, a predicted trajectory information calculation process, and a display process. The state quantity acquisition process is a process of acquiring a state quantity of the combination vehicle. The predicted trajectory information calculation process is a process of calculating predicted trajectory information of the trailer according to the state quantity. The display process is a process of displaying the predicted trajectory information by operating a display device.
B60K 35/28 - Dispositions de sortie, c.-à-d. du véhicule à l'utilisateur, associées aux fonctions du véhicule ou spécialement adaptées à celles-ci caractérisées par le type d’informations de sortie, p. ex. divertissement vidéo ou informations sur la dynamique du véhiculeDispositions de sortie, c.-à-d. du véhicule à l'utilisateur, associées aux fonctions du véhicule ou spécialement adaptées à celles-ci caractérisées par la finalité des informations de sortie, p. ex. pour attirer l'attention du conducteur
B60W 50/00 - Détails des systèmes d'aide à la conduite des véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier
B62D 13/06 - Direction spécialement adaptée aux remorques pour marche arrière d'une remorque à traction normale
G06T 19/00 - Transformation de modèles ou d'images tridimensionnels [3D] pour infographie
A ball screw device 10 comprises: a screw shaft 11 that has a first spiral groove 15 on the outer peripheral surface thereof; a cylindrical nut 12 that has, on the inner peripheral surface thereof, a second spiral groove 16 which is opposite from the first spiral groove 15 and that surrounds the screw shaft 11; and a plurality of balls 13 that are disposed in a running track 17 which his formed between the first spiral groove 15 and the second spiral groove 16. The nut 12 has, partway along the second spiral groove 16, a circulation groove 23 for returning the balls 13 from a position P2 on the end point side of the running track 17 to a position P1 on the starting point side. When moving to one side in the axial direction, the nut 12 receives an axial load F that is greater than when moving to the other side in the axial direction. Groove centers X3 of the circulation groove 23 at a first introduction part 26 and a second introduction part 28 are disposed separate from the groove center X2 of the second spiral groove 16 to the one side in the axial direction.
F16H 25/22 - Mécanismes à vis avec billes, rouleaux ou organes similaires entre pièces travaillant en conjugaisonÉléments essentiels pour l'utilisation de ces organes
F16H 25/24 - Éléments essentiels pour ces mécanismes, p. ex. vis, écrous
A power supply circuit includes a power conversion circuit. A terminal voltage of a first direct-current voltage source and a terminal voltage of a second direct-current voltage source are applied to the power conversion circuit, and the power conversion circuit includes a first inductor, a second inductor, and switching elements. The power supply circuit includes an OR circuit. The OR circuit is a circuit that outputs at least one of electric power of the first direct-current voltage source and electric power of the second direct-current voltage source to a control system electrical load.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
A sheet conveying apparatus includes: a first conveying section that conveys a strip-shaped sheet having a first surface and a second surface, with the first surface facing downward; a turn section provided downstream of the first conveying section to turn over the sheet; and a second conveying section provided downstream of the turn section. The turn section includes a convex curved surface having its axis extending in a width direction of the sheet and turns over the sheet along the convex curved surface with the first surface facing inward. The convex curved surface includes: a small-diameter portion provided with air nozzles for injecting air; and a pair of large-diameter portions disposed on both sides of the small-diameter portion in an axis direction and extending outward in a radial direction relative to the small-diameter portion to support both ends of the sheet in the width direction.
This articulated vehicle (10) comprises a tractor (20) and a trailer (30) that is towed by the tractor. A control device (70) is configured so as to perform an open-loop operation quantity calculation process, a closed-loop operation quantity calculation process, an operation process, and a correction process. The open-loop operation quantity calculation process is a process for calculating an open-loop operation quantity, which is an operation quantity for open-loop control in which a prescribed condition quantity of the articulated vehicle is a control quantity. The closed-loop operation quantity calculation process is a process for calculating a closed-loop operation quantity, which is an operation quantity for closed-loop control in which the prescribed condition quantity is a control quantity. The operation process is a process for operating an actuator of the tractor in accordance with both the open-loop operation quantity and the closed-loop operation quantity. The correction process is a process for correcting the open-loop operation quantity calculation process when the size of the operation quantity for the closed-loop control is greater than or equal to a prescribed size.
B60W 30/02 - Commande de la stabilité dynamique du véhicule
B60W 40/12 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés à des paramètres du véhicule lui-même
A relative angle detection device for a combination vehicle, the relative angle detection device being used in the combination vehicle in which a towing vehicle and a towed vehicle are connected via a towing-side connecting member and a towed-side connecting member. The relative angle detection device includes an imaging device that is installed on the towed vehicle and that captures an image of the towing vehicle, and an arithmetic processing unit that calculates a relative angle of the towed vehicle with respect to the towing vehicle based on information obtained from the imaging device.
G01B 11/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes
71.
CONTROL DEVICE FOR COMBINATION VEHICLE, CONTROL METHOD FOR COMBINATION VEHICLE, AND CONTROL PROGRAM FOR COMBINATION VEHICLE
A control device is applied to a combination vehicle including a tractor and a trailer that is towed by the tractor. The control device is configured to perform a hitch angle variable acquisition process, a steered angle variable acquisition process, a virtual steering angle variable calculation process, a target virtual steering angle variable acquisition process, and a feedback process.
A motor device (2) is provided with: an output shaft (34); a motor housing (33) having an insertion hole (51) through which the output shaft (34) is inserted, and a through-hole (52); and a filter member (53) mounted to the through-hole (52). The outer surface of the motor housing (33) includes an attachment surface (46) in which the insertion hole (51) is formed and to which a transmission housing (11) is attached, and an outer peripheral surface (47) that extends in the axial direction from the outer peripheral edge of the attachment surface (46). The attachment surface (46) is provided with a mounting groove (56) for mounting an annular seal member (57) surrounding the insertion hole (51). Of the outer surface of the motor housing (33), a region surrounded by the mounting groove (56) is an inner region, and a region outside the mounting groove (56) is an outer region. The through-hole (52) is formed in the outer region.
ESTIMATION DEVICE FOR CONNECTED VEHICLE, CONTROL DEVICE FOR CONNECTED VEHICLE, ESTIMATION METHOD FOR CONNECTED VEHICLE, AND ESTIMATION PROGRAM FOR CONNECTED VEHICLE
An estimation device (70) for a connected vehicle is applied to a connected vehicle (10) provided with a tractor (20) and a trailer (30) towed by the tractor. The estimation device includes an execution device (72) configured to execute acquisition processing and calculation processing. The acquisition processing is processing for acquiring at least one of a value of a predetermined model variable and a value of an operation variable of the connected vehicle on the basis of an input from outside the control device. The model variable is a variable that defines a model of the connected vehicle. The operation variable is a variable indicating a physical quantity obtained by quantifying the operation of the connected vehicle. The calculation processing is processing for calculating a value of the model variable to be estimated on the basis of a value of a variable acquired by the acquisition processing as an input variable in a predetermined state of the connected vehicle.
B60W 40/12 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés à des paramètres du véhicule lui-même
B60W 50/14 - Moyens d'information du conducteur, pour l'avertir ou provoquer son intervention
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 12/02 - Direction spécialement adaptée aux véhicules fonctionnant en tandem ou ayant des châssis connectés à pivotement pour véhicules fonctionnant en tandem
74.
RELATIVE ANGLE DETECTION DEVICE FOR COMBINATION VEHICLE
A relative angle detection device for a combination vehicle, the relative angle detection device being used in the combination vehicle in which a towing vehicle and a towed vehicle are connected by a towing-side connecting member and a towed-side connecting member. The relative angle detection device includes an imaging device that captures an image of one of the towing vehicle and the towed vehicle from the other, a radiation device that emits marker light to a position where the image is to be captured by the imaging device, and an image analysis device that analyzes the image captured by the imaging device to detect a relative angle of the towed vehicle with respect to the towing vehicle.
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
G01B 11/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes
75.
TORQUE SENSOR AND METHOD FOR MANUFACTURING TORQUE SENSOR
A torque sensor (10) is provided to a shaft (11). The shaft comprises an input shaft part (12), an output shaft part (14), and a torsion bar (13) that connects the input shaft part and the output shaft part to each other. The output shaft part has protruding sections (71, 73) that protrude radially outward from the outer circumferential surface of the output shaft part. The torque sensor includes a permanent magnet (21) fixed to the outer circumferential surface of the input shaft part, and a cylindrical magnetic yoke (22) fixed to the outer circumferential surface of the output shaft part. The rotation position of the magnetic yoke with respect to the permanent magnet changes in accordance with the torsion of the torsion bar. The outer circumferential surface of the output shaft part and the inner circumferential surface of the magnetic yoke are joined via a resin joining member (81). The joining member is obtained by solidifying a molten resin injected into a cavity (82) formed by the outer circumferential surface of the output shaft part, the inner circumferential surface of the magnetic yoke, and the protruding sections.
G01L 3/10 - Dynamomètres de transmission rotatifs dans lesquels l'élément transmettant le couple comporte un arbre élastique en torsion impliquant des moyens électriques ou magnétiques d'indication
A torque sensor (10) comprises detection units (14, 16, 17) each configured to generate an electric signal in accordance with torsion of a shaft (11). The detection units are connected to an external device (18) via respective wiring paths (L1, L2, L3). The torque sensor includes conductive bearings (21, 22, 23). The conductive bearings include respective inner rings (21A, 22A, 23A) and respective outer rings (21B, 22B, 23B). Each of the conductive bearings is configured to electrically connect the respective inner ring and the respective outer ring together. The conductive bearings are attached to an outer peripheral surface of the shaft in a state of being electrically insulated from the shaft. Each of the conductive bearings constitutes a part of the respective wiring path.
G01L 3/10 - Dynamomètres de transmission rotatifs dans lesquels l'élément transmettant le couple comporte un arbre élastique en torsion impliquant des moyens électriques ou magnétiques d'indication
77.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device is configured to execute a turning hysteresis amount calculation process (M40), a turning-back hysteresis amount calculation process (M42), a selection process (M44), and an operation process. The turning hysteresis amount calculation process involves calculating a turning hysteresis amount on the basis of the difference between a steering angle and a turning zero point of a steering wheel. The turning-back hysteresis amount calculation process involves calculating a turning-back hysteresis amount on the basis of the difference between the steering angle and a turning-back zero point of the steering wheel. The selection process involves substituting, for a hysteresis torque, a value that is either of the two values each corresponding to the turning hysteresis amount and the turning-back hysteresis amount as an input variable and that has an absolute value not greater than the other. The operation process involves operating, on the basis of the hysteresis torque as an input variable, the torque of a motor which applies a torque to a steering shaft.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
78.
ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY
An electrode slurry manufacturing apparatus includes a material loading unit, a feeder unit, and a multi-screw kneader. The material loading unit puts a plurality of types of electrode materials collectively into the feeder unit. The feeder unit includes an inlet opening, an agitation chamber, a discharge opening, a feeding blade, and a spiral shaped blade. Into the inlet opening, the electrode materials are loaded from the material loading unit. The electrode materials are agitated in the agitation chamber. The discharge opening is disposed in a bottom part of the agitation chamber. The feeding blade is mounted to a shaft disposed on the bottom part of the agitation chamber. The feeding blade feeds the electrode materials to the discharge opening. The spiral shaped blade is disposed above the feeding blade and is mounted to the shaft.
B01F 27/722 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe horizontal ou incliné avec des hélices ou des sections d'hélices avec plusieurs hélices dans le même récipient les hélices étant étroitement entourées d'un boîtier
B01F 27/724 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe horizontal ou incliné avec des hélices ou des sections d'hélices avec une seule hélice étroitement entourée d'un boîtier
A vehicle control system controls a yaw motion of a vehicle generated by an operation of an input unit in a steering system of the vehicle. A yaw motion control unit acquires information on a vehicle speed of the vehicle, an operable range of the input unit by a driver of the vehicle, and an operation amount of the input unit, calculates an addition amount that is to be added to the operation amount according to the operable range, and outputs a calculated addition amount to the steering system.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
A steering control device (1) is configured to control a steering device (2) in which power transmission between a steering wheel (5) and steered wheels (6) of a vehicle is decoupled. The steering device has a steering mechanism (3) including a reaction force motor (12) configured to generate a steering reaction force that is applied to the steering wheel. The steering control device comprises a reaction force control unit (1A) configured to control the reaction force motor. The reaction force control unit has, as control modes for controlling the reaction force motor, a normal mode for causing the vehicle to travel and a test mode for testing the steering mechanism. The reaction force control unit is configured not to permit control of the reaction force motor in the test mode and to permit control of the reaction force motor in the normal mode if a prescribed permission condition is not satisfied. The permission condition is used to determine whether or not to permit the control of the reaction force motor in the test mode on the basis of the state of the vehicle.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
A quenching method for a power steering rack of a vehicle, the method including: a heating step in which at least one zone to be treated of an outer surface of the rack is heated by means of an electric current induced in the zone; wherein the method comprises a cooling step in which the at least one zone is cooled by means of at least one first gas flow projected onto the zone.
C21D 1/10 - Durcissement de surface par application directe d'énergie électrique ou ondulatoireDurcissement de surface par radiation particulaire par induction électrique
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
A steering device (10) comprises: a steering shaft that rotates by operation of a driver; a housing (60) that rotatably supports the steering shaft; and a magnet, a magnetic flux sensing unit, and a partition member that are housed in the housing. The housing includes a housing body and a cover. The cover is a magnetic body. The magnet and the magnetic flux sensing unit are configured such that the magnetic flux of the magnet sensed by the magnetic flux sensing unit changes in accordance with rotational operation of the steering shaft by the driver. The partition member is a member partitioning the space in the housing into a first space and a second space, and is a magnetic body. The cover and the partition member are magnetically coupled to each other on the radially outer side of the steering shaft relative to the magnet and the magnetic flux sensing unit.
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
This rotary shaft 10 includes a shaft body 12 in which a gear part 20 and a bearing inner ring part 31 are arranged side by side in the axial direction. The bearing inner ring part 31 has an inner ring raceway groove 32 provided on an outer peripheral surface of the bearing inner ring part 31, and a shoulder part 33 provided on the outer peripheral surface adjacent to the inner ring raceway groove 32. A tooth groove 22 of the gear part 20 is provided extending to the shoulder part 33.
A machining shape simulation device (100) for generative gear cutting comprises: a cylindrical coordinate system lattice prescribing unit (111) that prescribes a cylindrical coordinate system lattice that comprises a radial distance R component, an axial coordinate Z component, and an azimuth angle θ component and in which the lattice pitch of the radial distance R is set; a workpiece shape model prescribing unit (120) that prescribes a workpiece shape model defined by the axial direction as the axial coordinate Z direction in the cylindrical coordinate system lattice and the azimuth angle θ specified with respect to the radial distance R and the axial coordinate Z; a tool shape model prescribing unit (121); an interference region calculation unit (130) that calculates, on the basis of the workpiece shape model, a tool shape model, and the trajectory of relative movement of the tool and the workpiece, an interference region between the tool shape model and the workpiece shape model during generative gear cutting; and a machining result prediction unit (190) that predicts the machining result of the workpiece on the basis of the calculation result of the interference region calculation unit.
B23F 23/12 - Autres dispositifs, p. ex. porte-outilsDispositifs de vérification pour le contrôle des pièces à usiner dans les machines de fabrication de dents d'engrenage
B23F 5/16 - Fabrication de dents d'engrenage droites, impliquant le déplacement d'un outil par rapport à la pièce à usiner avec un mouvement de roulage ou d'enveloppement par rapport aux dents à réaliser par rabotage ou mortaisage l'outil ayant une forme semblable à celle d'une roue droite ou d'une partie de celle-ci
B23Q 15/00 - Commande automatique ou régulation du mouvement d'avance, de la vitesse de coupe ou de la position tant de l'outil que de la pièce
G05B 19/4069 - Simulation du procédé d'usinage à l'écran
In a two-system steering system, a power supply system includes: first and second buses that are communicated with each other via a circuit breaker; first and second power supplies that are connected to the first and second buses, respectively; and a backup power supply including a battery to allow electric power to be supplied to both of first and second systems, and is configured such that, when one of the first and second buses has a ground fault, the circuit breaker cuts off the communication between the first and second buses, and the backup power supply supplies the electric power to both of the first and second systems. The backup power supply can suppress a situation where, during a time lag from detection of the ground fault to actuation of the circuit breaker, both of the first and second systems cannot be normally actuated.
B62D 5/00 - Direction assistée ou à relais de puissance
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
A planetary gear device 1 includes an internal gear 211, a sun gear 411, a plurality of planetary gears 100, a carrier 10, and a plurality of bearings 94 that facilitate rotation of the plurality of planetary gears 100 with respect to the carrier 10. The carrier 10 has a plurality of shaft-form members 5 inserted inside the plurality of bearings 94, and a first side rotor 6 and a second side rotor 7. A plurality of lubricating oil grooves 612 are formed on a surface of the first side rotor 6 oriented toward the plurality of planetary gears 100. Each of the plurality of shaft-form members 5 is formed with a shaft hole 50, a communication hole 501 via which any of the plurality of lubricating oil grooves 612 and the shaft hole 50 are allowed to communicate, and a lubricating oil supply hole 502 through which lubricating oil L is supplied from the shaft hole 50 to the bearing 94.
A sheet conveyor apparatus includes an air turn bar and a hood. The air turn bar turns back a strip-shaped sheet conveyed along a predetermined conveyance passage. The hood includes an inner circumferential surface that opposes an outer circumferential surface of the air turn bar. The outer circumferential surface of the air turn bar includes ejection holes ejecting air toward one surface of the sheet. The inner circumferential surface of the hood includes suction holes sucking air from the other surface of the sheet.
A method determines a corrected set motor torque for a control motor of a power steering system without mechanical link, the control motor receiving the corrected set motor torque and exerting a motor torque on an axis of rotation including a steering wheel. The method includes: a step of receiving a set motor torque and a correction step in which the corrected set motor torque is determined based on a result of a comparison between the set motor torque and a normal operating threshold, the corrected set motor torque varying with a correction frequency around a corrected operating value over a corrected operating range, the corrected operating value being lower than the set motor torque.
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
A drive wheel bearing device (1) for rotatably supporting a drive wheel (3) of a vehicle comprises: an outer ring (10); a hub ring (20); an inner ring (30); a plurality of hub rolling bodies (40); and a plurality of inner ring rolling bodies (50). The hub ring (20) has: a hub raceway part (21) having a hub raceway surface (22); and a hub fitting part (23) that is provided closer to the vehicle body side than the hub raceway part (21) is and onto which the inner ring (30) is press-fitted. The inner ring (30) has: an inner ring raceway part (31) press-fitted onto the hub fitting part (23) and having an inner ring raceway surface (32); and an inner ring thin part (33) press-fitted onto the hub fitting part (23) together with the inner ring raceway part (31) and having a smaller thickness in the radial direction (Y) than the inner ring raceway part (31).
A shape measurement method according to the present invention comprises: a step for generating a Z-position lookup table (ZLT) in which the Z-position and a setting phase (SP) of a lattice pattern (LP) of a setting image (SI) are associated with each other at each X-Y position; a step for generating a calibration point cloud table (CPT) defining the relationship between the respective Z positions and the calibration position for at least one of the X position and the Y position at each X-Y position; a step for acquiring a target phase (TP) of a lattice pattern (LP) of a target image (TI) at each X-Y position; a step for calculating the Z-position of a measurement object (20) at each X-Y position on the basis of the Z-position lookup table (ZLT) and the target phase (TP); and a step for identifying the three-dimensional shape of the measurement object (20) by calculating, on the basis of the Z-positions of the measurement object (20) and the calibration point cloud table (CPT), the post-calibration X-Y position for the respective Z positions of the measurement object (20) at each of the X-Y positions.
G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p. ex. des franges de moiré, sur l'objet
Provided is a vibration simulation device (1) for simulation of vibration between a tool (10) and a workpiece (20) in gear generation cutting, the vibration simulation device (1) comprising a shape defining unit (120) that defines a tool shape and a workpiece shape, an interference region calculation unit (130) that calculates an interference region between the tool (10) and the workpiece (20) during processing on the basis of the tool (10) and the relative movement trajectory of the workpiece (20), a cutting force calculation unit (140) that calculates a cutting force during removal of the interference region from the workpiece (20) by the tool (10), a movement characteristic defining unit (150) that defines relative movement characteristics or individual movement characteristics between the tool and workpiece, a vibration calculation unit (160) that calculates relative vibration between the tool and workpiece on the basis of the cutting force and the relative movement characteristics, a frequency analysis unit (191) that performs frequency analysis on the vibration calculation result or the cutting force calculation result, a vibration occurrence evaluation unit (192) that evaluates the state of occurrence of relative vibration on the basis of the frequency analysis result of the frequency analysis unit (191), and a vibration state display unit (193) that displays the evaluation result.
B23F 23/12 - Autres dispositifs, p. ex. porte-outilsDispositifs de vérification pour le contrôle des pièces à usiner dans les machines de fabrication de dents d'engrenage
B23Q 17/00 - Agencements sur les machines-outils pour indiquer ou mesurer
G05B 19/4069 - Simulation du procédé d'usinage à l'écran
A steering control device operates a motor mechanically connected to an operation member. The motor is a drive source for a plant mounted on a vehicle. The steering control device performs a torque feedback process, an operation process, and a characteristic change process. The torque feedback process includes a process of calculating a manipulated variable for controlling steering torque to target steering torque. The operation process is a process of operating a drive circuit for the motor based on the manipulated variable. The characteristic change process is a process of changing a response characteristic of feedback control according to a plant state of the plant.
B62D 6/00 - Dispositions pour la commande automatique de la direction en fonction des conditions de conduite, qui sont détectées et pour lesquelles une réaction est appliquée, p. ex. circuits de commande
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
A turning control device includes a processor. The processor is configured to execute a turning-corresponding angle acquisition process, a rudder angle variable estimation process, a basic assist torque setting process, an adjusting torque calculation process, and a manipulation process. The basic assist torque setting process is a process of setting the value of a basic assist torque variable depending on a steering torque. The adjusting torque calculation process is a process of calculating the value of an adjusting torque variable. The manipulation process includes a process of manipulating a drive circuit of an assist motor, so as to control the torque of the assist motor to a torque depending on the sum of a torque indicated by the value of the basic assist torque variable and a torque indicated by the value of the adjusting torque variable.
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
A processor included in a turning control device is configured to execute a manipulation process of manipulating a drive circuit of an assist motor depending on a torque that depends on at least one of the two values, the value of an assist torque variable and the value of a control torque variable. The processor is configured to execute a variation torque control process of varying a torque as an input variable in the manipulation process, depending on a steering angle, based on the value of the steering angle variable as an input variable. The processor is configured to execute a restriction process of restricting the magnitude of variation in the torque as the input variable in the manipulation process depending on the steering angle, to a small side, depending on the priority degree of the value of the control torque variable in the manipulation process.
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
B62D 15/02 - Indicateurs de direction ou aides de direction
A steering system includes a shaft that rotates in conjunction with steering of a steering wheel, a ball screw mechanism that converts rotation of the shaft into rotation of an output shaft, and a speed reducer that applies torque to the shaft. The ball screw mechanism includes a first housing, a ball screw shaft, and first and second bearings that support the ball screw shaft. The speed reducer includes a second housing and a third bearing that supports the shaft. An outside diameter of the shaft is set so that a third center line passing through a center of a cross section of the third bearing is positioned on a radially outer side of a first center line passing through a center of a cross section of the first bearing or a second center line passing through a center of a cross section of the second bearing.
B62D 3/08 - Boîtiers de direction mécaniques du type à vis sans fin à vis et écrou utilisant des billes intermédiaires ou des éléments analogues
B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
The present invention provides a machining shape simulation device (100) for gear cutting, said device comprising: an interference region computation unit (130) that computes, on the basis of relative movement paths of a tool (10) and a workpiece (20), an interference region between the two during machining; a cutting force computation unit (140) that computes a cutting force for removing the interference region; a motion characteristics stipulation unit (150) that stipulates relative or individual motion characteristics; a vibration computation unit (160) that computes relative vibration on the basis of the cutting force and the relative motion characteristics; a machining result prediction unit (181) that predicts a machining result on the basis of computational results from each of the computation units (130, 140, 160); a unit (182) that creates tooth surface shape data based on the predicted result; a tooth surface pattern determination unit (183) that analyzes a tooth surface image based on said data to determine whether a certain pattern is present or absent; a unit (185) that determines shape error between a reference shape and a predicted shape based on the same data; and a machining result quality determination unit (194) that determines the quality of the machining result on the basis of determination results from the determination units (183, 185).
B23F 23/12 - Autres dispositifs, p. ex. porte-outilsDispositifs de vérification pour le contrôle des pièces à usiner dans les machines de fabrication de dents d'engrenage
B23F 5/20 - Fabrication de dents d'engrenage droites, impliquant le déplacement d'un outil par rapport à la pièce à usiner avec un mouvement de roulage ou d'enveloppement par rapport aux dents à réaliser par fraisage
B23F 9/08 - Fabrication d'engrenages ayant des dents incurvées dans leur sens longitudinal par fraisage, p. ex. avec vis-mère hélicoïdale
G05B 19/4069 - Simulation du procédé d'usinage à l'écran
G05B 19/4155 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
A bearing device (1) for a drive wheel rotatably supporting a drive wheel (3) of a vehicle comprises: an outer ring (10); a hub ring (20); an inner ring (30); a plurality of hub rolling elements (40); a plurality of inner ring rolling elements (50); and an outer joint member (5) assembled to the hub ring (20). The inner ring (30) has an abutting surface (35a) provided on an end surface further to the outer joint member (5) side than the inner ring raceway surface (32) and abutting on the outer joint member (5). A second pitch circle formed by connecting all center points of the plurality of inner ring rolling elements (50) has a larger diameter than a first pitch circle formed by connecting all center points of the plurality of hub rolling elements (40).
F16C 19/18 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec plusieurs rangées de billes
Provided is a grinder for grinding a workpiece, the grinder comprising: a first grinding wheel having a first diameter; a second grinding wheel having a second diameter and having a grain size finer than that of the first grinding wheel; a grinding wheel shaft to which the first grinding wheel and the second grinding wheel are mounted side by side; a dresser for performing wheel correction on the first grinding wheel and the second grinding wheel; and a control part for performing wheel correction on the first grinding wheel and the second grinding wheel by using the dresser while rotating the grinding wheel shaft. The control part executes a first correction process of performing wheel correction so that the first diameter of the first grinding wheel is larger than the second diameter of the second grinding wheel prior to grinding the workpiece using the first grinding wheel, and/or a second correction process of performing wheel correction so that the second diameter of the second grinding wheel is larger than the first diameter of the first grinding wheel prior to grinding the workpiece using the second grinding wheel.
