This advertisement evaluation system comprises: a reception unit that receives designation of an evaluation target on which an advertisement can be installed; an acquisition unit that acquires an estimated number of people estimated to have viewed the evaluation target by using a location-motion data set, which is a set of location-motion data in which location information related to a person and motion information indicating the motion of the head of the person are associated with each other; and a display unit that displays number-of-people information related to the estimated number of people.
This information analysis system comprises: a first movement information acquisition unit that acquires first movement information, which has been created, by using a first sensor attached to the head of a person, to represent movement of the head; a first position information acquisition unit that acquires first position information, which is position information of the person that has been created by using a position information acquisition unit attached to the person; a second movement information acquisition unit that acquires second movement information, which has been created, by using a second sensor different from the first sensor, to represent the movement of the head; a second position information acquisition unit that acquires second position information, which is position information that has been created by using the second sensor different from the first sensor; a movement information correction unit that corrects the first movement information by using the second movement information; and a position information correction unit that corrects the first position information by using the second position information.
This steering control device (70, 90) executes a target steering-wheel angle calculation process, a lower-side angle acquisition process, a steering-side feedback process, a reaction force operation process, and a compensation process. The target steering-wheel angle calculation process is a process for calculating a target steering-wheel angle. The lower-side angle acquisition process is a process for acquiring a lower-side angle, which is an angle on the opposite side of a torsion bar from a steering wheel in a steering shaft. The steering-side feedback process is a process for calculating an operation amount for feedback control in which the lower-side angle is a control variable and the target steering-wheel angle is a target value for the control variable. The reaction force operation process is a process for controlling the torque of a reaction force motor on the basis of the operation amount. The compensation process is a process for correcting the operation amount, which is an input of the reaction force operation process, by a compensation amount based on a detected steering-torque value, which is detected as a value based on the torsion of the torsion bar.
A tapered roller bearing 10 comprises: an inner race 11; an outer race 12; and a cage assembly 15 having a plurality of tapered rollers 13 and an annular cage 14 positioned between the inner race 11 and the outer race 12, the cage 14 holding the tapered rollers 13. The cage 14 has a fall-off prevention part 21 that prevents the tapered rollers 13 from falling radially inward. The outer race 12 has a slip-off prevention member 17 which can come into contact with a large end surface 131 of each tapered roller 13 and which prevents the tapered roller 13 from falling outward in the axial direction. The outer race 12 comprises: an outer race body 31 having an outer race raceway surface 32 on which the tapered rollers 13 are in rolling contact; and a protrusion 35 protruding further outward in the axial direction from the outer race body 31 than the cage assembly 15 positioned at the inner peripheral side of the outer race 31.
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
A steering control device includes a processing circuit. The processing circuit is configured to control a reaction force motor configured to generate a steering reaction force applied to a steering wheel separated from turning wheels of a vehicle in terms of power transmission. The processing circuit is configured to control a turning motor configured to generate a turning force for turning the turning wheels. The processing circuit is configured to, in a case where an event in which an output of the turning motor is limited has occurred, execute reaction force change processing of changing the steering reaction force according to contents of the event.
A fuel cell system includes a fuel cell, a control device, an auxiliary power source serving as a first power storage device, and a receiving power storage device serving as a second power storage device. Under control of the control device, power output from the fuel cell is supplied to an external load and is also charged to the auxiliary power source, in a state in which supply of liquid fuel to the fuel cell is being carried out. Further, in addition to the power output from the fuel cell, post-stoppage power recovered by the receiving power storage device is discharged and supplied to the external load. Power charged in the auxiliary power source is discharged and supplied to the external load in a state in which supply of liquid fuel to the fuel cell is stopped.
An assist torque command value calculation unit of a steering control device is configured to calculate an assist torque command value based on a first state variable reflecting a steering state of a steering wheel. An axial force torque calculation unit is configured to calculate an axial force torque based on a second state variable reflecting a turning state of turning wheels. A calculator is configured to calculate a reaction force torque command value by subtracting the axial force torque from the assist torque command value. A limiting processing unit is configured to limit the first state variable or the assist torque command value in a case where an event in which an output of the turning motor is limited occurs.
A method for securing a setpoint torque for a motor exerting a motor torque on a device of a power steering system, and including: a first determination step in which a first intermediate value of the setpoint torque is determined; a second determination step in which a limit value of the first intermediate value of the setpoint torque is determined; a third determination step in which a parameter representative of the average motor torque exerted at a previous instant is determined; and securing step in which a target value of the setpoint torque is determined based on the first intermediate value, the limit value and the parameter representing the average motor torque exerted at the previous instant.
In a state where a steered wheel and a steering shaft are mechanically disconnected, this steering control device is configured to execute a resistance force applying process and a resistance force limiting process. The resistance force applying process is a process for applying a resistance torque to the steering shaft by operating a motor, the resistance torque being a torque that prevents the driver from rotating the steering shaft. The resistance force limiting process is a process for limiting the magnitude of the resistance torque to a smaller value when the force applied to the steering shaft by the driver decreases while the resistance force applying process is being executed.
A breeding device (1) includes: a body frame (10) forming a breeding space (11) for organisms; a plurality of breeding units (20) housed in the breeding space (11) of the body frame (10); a plurality of perch members (22) arranged in each of the plurality of breeding units (20) with a clearance between the perch members; and a separating member (32) including a plurality of comb teeth (34) arranged in an arrangement direction (Y) of the plurality of perch members (22). The separating member (32) is used for all of the plurality of breeding units (20), and is configured such that the plurality of comb teeth (34) is inserted into a plurality of the clearances (23) between the plurality of perch members (22) by moving the separating member (32) relative to each of the plurality of breeding units (20).
A sensor device includes a magnetic flux collector assembly having a first magnetic flux collecting member, a second magnetic flux collecting member, and a resin holder. The first magnetic flux collecting member has a first main body portion and first claw portions that are bent from the first main body portion. The second magnetic flux collecting member has a second main body portion and second claw portions that are bent from the second main body portion. The resin holder holds the first magnetic flux collecting member and the second magnetic flux collecting member such that at least linking portions between the first main body portion and the first claw portions, and linking portions between the second main body portion and the second claw portions, are not exposed on an inner peripheral face of the resin holder.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
This steering column device comprises a backlash suppression mechanism (23) configured to suppress backlash of a column tube (22) in a housing (21). The backlash suppression mechanism (23) is provided with a first member (71) which includes an outer bottom surface (81) that faces an inner bottom surface (65) of a bulging part (33) of a housing (21) in a first direction and a first friction surface (82) that is on the opposite side from the outer bottom surface (81) in the first direction, a second member (72) which includes a supporting surface (91) that supports the outer circumferential surface of the column tube (22) and a second friction surface (92) that is on the opposite side from the supporting surface (91) in the first direction and that is in contact with the first friction surface (82), and a biasing member (73) which biases the first member (71) to a biasing side. The first friction surface (82) and the second friction surface (92) are inclined such that the distance from the column tube (22) increases toward the biasing side.
This motor control device comprises: a warning determination unit that determines, on the basis of detection information about an obstacle on the side of a vehicle, whether or not to apply a warning torque for preventing a collision of the vehicle with the obstacle; a warning torque calculation unit that calculates a warning torque when the warning determination unit determines that the warning torque should be applied; and a control unit that controls an electric motor so that the warning torque calculated by the warning calculation unit acts as a steering reaction force.
A control device for a combination vehicle includes a normal mode, a bad mode, and an abnormal mode as a control mode of reverse assist control. The normal mode is set when no abnormality is detected in vehicle state quantities. The bad mode is set when an abnormality is detected in any vehicle state quantity and there is a substitute value for that vehicle state quantity. The abnormal mode is set when an abnormality is detected in any vehicle state quantity and there is no substitute value for that vehicle state quantity. When the control mode is set to the bad mode, the control device continues to execute the reverse assist control using the substitute value for the vehicle state quantity. When the control mode is set to the abnormal mode, the control device executes a process for stopping the combination vehicle.
A combination vehicle includes a tractor including a steered wheel and a trailer towed by the tractor. A control device for the combination vehicle includes a control unit. The control unit is configured to, when a reverse operation of the combination vehicle is performed, assist a reverse operation of the trailer by causing a controlled variable to follow a target value of reverse control that is set through a specific operation by an operator. The control unit is configured to execute a process of limiting the target value and a process of limiting a time rate of change in the target value from a viewpoint of suppressing occurrence of a jackknife phenomenon.
A motor control device includes a command value calculation unit that calculates a command value for controlling a motor, and a disturbance observer unit for estimating a disturbance applied to a mechanical device, based on the command value and rotation information of the motor, and to correct the command value based on the disturbance that is estimated. The disturbance observer unit has parameters that are adjusted to compensate for effects of the disturbance having a specific frequency that is an object of suppression. The parameters are adjusted such that a disturbance, applied to the mechanical device after effects of the disturbance are compensated for, has frequency characteristics corresponding to antiresonance characteristics of the mechanical device. The disturbance observer unit is configured to change the values of the parameters in accordance with the rotation information of the motor.
To make it easy to take certain countermeasure in a situation where a certain degree of deterioration of a power storage unit is anticipated. An in-vehicle backup control device is used in an in-vehicle power supply system including a power supply unit and a power storage unit. The in-vehicle backup control device includes a discharging unit (charging/discharging unit) that discharges the power storage unit and a control unit that controls the discharging unit. The control unit executes countermeasure processing when the voltage of the power storage unit falls below a threshold voltage (Vth) and an elapsed time period during which the voltage of the power storage unit is below the threshold voltage (Vth) exceeds a determination time period (TJ).
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H01M 10/46 - Accumulators structurally combined with charging apparatus
In a drive shaft (101) for a vehicle, a boot attachment surface (22) which extends in an axial direction (X) and to which an inner peripheral surface of a boot (28) is attached, and a seal device attachment surface (23) which extends in the axial direction (X) and to which a seal device (37) is attached are provided on an outer periphery of an outer joint member (21) of a second constant velocity joint (20). The seal device attachment surface (23) is formed on the outer side of the joint boot attachment surface (22) in a radial direction (Y), and the boot attachment surface (22) and the seal device attachment surface (23) are connected via a vertical wall surface (24) extending along the radial direction (Y), and an outer joint member-side opening end (28a) of a boot (28) extends to the vertical wall surface (24).
F16D 3/84 - Shrouds, e.g. casings, coversSealing means specially adapted therefor
B60B 35/14 - Torque-transmitting axles composite or split, e.g. half-axlesCouplings between axle parts or sections
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
A steering shaft (10) comprises an input shaft (11), an output shaft (12), and a torsion bar (13). The input shaft has a first end part to which torque is applied and a second end part provided with a contact part (11B). The output shaft has an input shaft insertion part (12D, 12E) into which the second end part of the input shaft is inserted. The input shaft insertion part opens onto a first end part of the output shaft. The axial inner end face of the input shaft insertion part has a recessed part (12G). A portion of the input shaft that is exposed to the outside of the input shaft insertion part has sensor components (16, 17) that face the first end part of the output shaft in the axial direction. A gap in the axial direction between the leading end face of the contact part and the inner end face of the recessed part facing the leading end face is narrower than a gap in the axial direction between the sensor components and the first end part of the output shaft.
Provided is a vehicle control device for controlling a driving force or braking force of a vehicle that passes a source (S) of change which changes the vehicle speed when a wheel of the vehicle climbs thereupon or descends therefrom. The vehicle control device comprises: a passage determination unit (44) that determines that the vehicle has passed the source of change; an impulse computation unit (43) that calculates an impulse applied to the vehicle when the vehicle passes the source of change and that outputs impulse information which corresponds to the calculated impulse; and a braking/driving computation unit (422) that, on the basis of the impulse information, calculates a driving force and braking force after the vehicle has passed the source of change. The impulse computation unit calculates a velocity impulse that is based on the vehicle speed which changes when passing the source of change, and a braking/driving impulse that is based on the driving force and the braking force which change when passing the source of change. When a disturbance impulse is defined as the difference between the velocity impulse and the braking/driving impulse, the braking/driving computation unit, upon determination by the passage determination unit that the source of change has been passed, calculates the driving force and the braking force on the basis of the amount of change in the disturbance impulse when passing the source of change.
B60W 30/00 - Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
This method for manufacturing a joint member (30) comprises: a molding step for molding an intermediate molded body, that will become the joint member (30), into a shape having a first inner raceway surface (33) and an outer guide groove (32); and a curing treatment step for curing both the first inner raceway surface (33) and the outer guide groove (32) of the intermediate molded body molded in the molding step. The curing treatment is a treatment for forming a non-cured layer (t3) between a cured layer (t1) on the first inner raceway surface (33) side and a cured layer (t2) on the outer guide groove (32) side by heating either the first inner raceway surface (33) or the outer guide groove (32) while cooling the other of the first inner raceway surface and the outer guide groove.
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
B60B 35/14 - Torque-transmitting axles composite or split, e.g. half-axlesCouplings between axle parts or sections
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
This vehicle control device for controlling driving force and braking force of a vehicle passing over a change generation source (S) that changes a vehicle speed through a vehicle wheel riding over or down the same comprises: an impulse calculation unit (43) for calculating an impulse applied to the vehicle at the time of the vehicle passing over the change generation source, and for outputting impulse information corresponding to the calculated impulse; a passage determination unit (44) for determining the passage over the change generation source on the basis of the impulse information outputted by the impulse calculation unit; and a braking/driving calculation unit (422) for calculating the driving force and the braking force at the time of the passing over the change generation source on the basis of the determination result from the passage determination unit. The impulse calculation unit calculates, as the impulse information, a speed impulse based on the vehicle speed when passing over the change generation source, and a braking/driving impulse based on the driving force and the braking force when passing over the change generation source. The passage determination unit determines the passage over the change generation source on the basis of a difference between the speed impulse and the braking/driving impulse that are calculated by the impulse calculation unit.
B60W 30/00 - Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
An assisting device 10 includes a first harness 11 that is fit on at least shoulders BS of a user, a second harness 12 that is fit on each of right and left legs BL of the user, a third harness 40 that is fit on a waist BW of the user, a belt body 13 that is provided along a back of the user, spanning the first harness 11 and the second harness 12, an actuator 14 that is provided in the first harness 11 and that enables a portion of the belt body 13 to be taken up and fed out, and a back frame 44 that connects the first harness 11 and the third harness 40 at the middle of the back of the user, and maintains a spacing therebetween. An outer side face 44c of the back frame 44 that faces away from the user includes a first sliding contact face 48 over which the belt body 13 slides in contact therewith.
A combination vehicle includes a tractor including a steered wheel and a trailer towed by the tractor A control device for the combination vehicle includes an estimation unit. The estimation unit estimates a length of the trailer based on a mathematical expression obtained by solving, for the length of the trailer, simultaneous equations including an equation of motion for a hitch angle velocity that is a time rate of change in a hitch angle and an equation of motion for a virtual steering angle velocity that is a time rate of change in a virtual steering angle of the trailer. The mathematical expression includes the virtual steering angle velocity as a parameter.
A grease includes abase oil and a thickener. The base oil is poly-α-olefin. The thickener is a soap. A viscous transition stress at 25° C. is 300 Pa or more, and a viscous transition stress at 100° C. is 40 Pa or less. A shear viscosity at 25° C. and at a shear rate of 0.1 s−1 is 1.6×106 mPa·s or more, and a shear viscosity at 100° C. and at a shear rate of 10 s−1 is 1.1×104 mPa·s or less.
C10M 169/02 - Mixtures of base-materials and thickeners
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
22222-containing gas to at least one of the plurality of reaction tanks (7, 10). An upstream-side opening of the connection pipe (8) is positioned above the liquid level of the reaction liquid stored in the reaction tanks (7, 10), downstream-side openings of the air supply pipe (5) and the connection pipe (8) are positioned below the liquid level of the reaction liquid (12) in the reaction tanks (7, 10), and downstream-side openings of the bypass pipes (6, 9) are positioned above the liquid level of the reaction liquid (12) in the reaction tanks (7, 10).
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A drive device (3) is mounted on a vehicle (1) that performs regenerative braking of at least the left and right rear wheels (13, 14) during deceleration among the left and right front wheels (11, 12) and the left and right rear wheels (13, 14), and drives the left and right rear wheels (13, 14). The drive device (3) is provided with an electric motor (31) and a differential device (33) for distributing the driving force output from the electric motor (31) to the left and right rear wheels (13, 14). The differential device (33) restricts the differential rotation of the left and right rear wheels (13, 14) by a differential limiting force corresponding to the regenerative braking force generated by the electric motor (31).
B60L 9/18 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from DC supply lines
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A vehicle (1) comprises a front wheel–side device (2) that is provided to correspond to a left/right pair of front wheels (11, 12), a rear wheel–side device (3) that is provided to correspond to a left/right pair of rear wheels (13, 14), and a control device (6) that controls the front wheel–side device (2) and the rear wheel–side device (3). The control device (6) controls the front wheel–side device (2) and the rear wheel–side device (3) such that the braking force that acts on the left/right pair of rear wheels (13, 14) is greater than the braking force that acts on the left/right pair of front wheels (11, 12) during vehicle deceleration. A differential device (33) of the rear wheel–side device (3) that distributes drive force from an electric motor (31) to the left/right pair of rear wheels (13, 14) has a differential limitation mechanism (70) that generates a differential limitation force that limits the differential rotation of the left/right pair of rear wheels (13, 14).
B60W 10/00 - Conjoint control of vehicle sub-units of different type or different function
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60W 10/16 - Axle differentials, e.g. for dividing torque between the left and right wheels
B60W 10/188 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes hydraulic brakes
29.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device is configured to perform 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 by feedback control. The steering torque is torque input to an operation member. The operation process is a process of operating a drive circuit for a motor based on the manipulated variable. The characteristic change process is a process of changing a response characteristic of the feedback control according to a magnitude of torque of the motor.
A steering control device is configured to execute torque feedback processing, operation processing, and characteristics changing processing. The torque feedback processing includes processing of calculating a manipulated variable for controlling a steering torque to a target steering torque by feedback control, the operation processing is processing of operating a drive circuit of a motor based on the manipulated variable, and the characteristics changing processing is processing of changing response characteristics of the feedback control in accordance with an operation state of an operating member.
A wheel rolling bearing device 10 comprises an inner member 12, an outer member 11, a plurality of tapered rollers 13, and an annular retainer 14. The retainer 14 has a small-diameter annular part 41, a large-diameter annular part 42, and a plurality of columns 43. The columns 43 have, on each side surface 44 thereof, a contact surface 45 that is positioned on the small-diameter annular part 41 side and a non-contact surface 46 that is positioned on the large-diameter annular part 42 side. The contact surfaces 45 are capable of contacting the outer circumferential surface 131 of a respective tapered roller 13. The non-contact surfaces 46 are each positioned further from a respective tapered roller 13 in the bearing circumferential direction than the contact surfaces 45 and do not make contact with the outer circumferential surface 131 of a respective tapered roller 13.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
metalworking machines and tools; construction machines and apparatus; loading-unloading machines and apparatus; machine elements, not for land vehicles; shafts, axles or spindles, machine elements other than land vehicles; bearings, machine elements not for land vehicles; shafts, couplings or connectors, machine elements not for land vehicles; power transmissions and gearing; shock absorbers; springs; brakes; valves power distribution or control machines and apparatus; rotary converters; phase modifiers; telecommunication machines and apparatus mechanical elements for land vehicles; shafts, axles or spindles, machine elements for land vehicles; bearings, machine elements for land vehicles; shaft couplings or connectors, machine elements for land vehicles; aircraft and their parts and fittings; railway rolling stock and their parts and fittings; automobiles and their parts and fittings
A rotation transmission device (100) comprises an input member (110), an intermediate member (120), an output member (130), a first biasing member (210), a cam mechanism (300), and a housing (101). The first biasing member (210) connects the intermediate member (120) and the output member (130), and biases the intermediate member (120) toward the input member (110). The intermediate member (120) includes an intermediate body part (121), a rotating friction part (125), and a second biasing member (220). The rotating friction part (125) is disposed at a position facing a fixed friction surface (109). The second biasing member (220) connects the intermediate body part (121) and the rotating friction part (125), and biases the rotating friction part (125) toward the fixed friction surface (109). The first biasing member (210) has a greater elastic coefficient than the second biasing member (220).
This waste heat recycling device is disposed on equipment that emits heat. The waste heat recycling device is provided with at least one tray on which a desiccant material is disposed, a cylindrical side wall surrounding the at least one tray, a roof disposed above the side wall, a first opening disposed in the side wall and/or between the equipment and the side wall, and a second opening disposed in the side wall and/or between the room and the side wall. The at least one tray is a mesh. The first opening is disposed between the equipment and the at least one tray in the vertical direction, and the second opening is disposed between the at least one tray and the roof in the vertical direction.
F26B 3/04 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over, or surrounding, the materials or objects to be dried
F26B 9/00 - Machines or apparatus for drying solid materials or objects at rest or with only local agitationDomestic airing cupboards
In a tripod type constant velocity universal joint, a groove-orthogonal sectional shape of a ceiling surface of a raceway groove of an outer ring is a line shape passing through a central highest point, a positive rotation edge highest point, and a negative rotation edge highest point. The central highest point is a point when a roller pitches by a predetermined pitching angle. The positive rotation edge highest point is a point when the roller rolls in a positive direction by a predetermined rolling angle. The negative rotation edge highest point is a point when the roller rolls in a negative direction by a predetermined rolling angle.
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
F16D 3/202 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
A steering control device includes: a target rotation angle calculation circuit that calculates a target rotation angle of a shaft; an offset angle calculation circuit that calculates an offset angle relative to the target rotation angle; a final target rotation angle calculation circuit that calculates a final target rotation angle of the shaft; and a feedback control circuit that executes feedback control that adapts a real angle to the final target rotation angle. The offset angle calculation circuit calculates an estimated rotation angle deviation based on a value of a current of a turning motor immediately before a specific event occurs, and calculates the offset angle by subtracting the real angle and the estimated rotation angle deviation from the target rotation angle.
This shape measuring method for measuring the shape of an object (30) to be measured by means of a lattice projection technique comprises: an angle changing step (S5) for changing an optical inter-axis angle (θ), which is the angle formed by a projection optical axis (12a) of a projection device (12) for projecting a lattice pattern (40) onto the object (30) to be measured and an imaging optical axis (13a) of an imaging device (13) for imaging the lattice pattern (40) projected onto the object (30) to be measured; a projection step (S6) for projecting the lattice pattern (40) onto the object (30) to be measured; an imaging step (S7) for acquiring shape image data (IDS) obtained by imaging the lattice pattern (40) projected onto the object (30) to be measured; and a shape measurement step (S8) for analyzing the shape image data (IDS) acquired by the imaging device (13) and measuring the shape of the object (30) to be measured.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
38.
WORM REDUCTION GEAR AND ELECTRIC POWER STEERING DEVICE
In the present invention, a shaft joint (50) of a worm reduction gear (10) has: a first joint body (51); a second joint body (52); and an elastic body (53). The first joint body has a plurality of first transmission protrusions (51B). The second joint body has a plurality of second transmission protrusions (52B). The elastic body has a third connection section (53A) and a plurality of third transmission protrusions (53B). The first transmission protrusions and the second transmission protrusions are respectively fitted between two third transmission protrusions adjacent in the circumferential direction so as to be alternately disposed with the third transmission protrusions interposed therebetween in the circumferential direction. The elastic body has a plurality of thinned sections (70). Each thinned section is provided in a region which is on the outer peripheral side of the third connection section and between two third transmission protrusions adjacent to each other in the circumferential direction of the third connection section.
F16D 3/68 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic elements arranged between substantially-radial walls of both coupling parts the elements being made of rubber or similar material
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
A groove-orthogonal sectional shape of a ceiling surface of a raceway groove of an outer ring of a tripod type constant velocity universal joint is a line shape including at least part of a target contour line located away from a central axis of the outer ring in a contour line obtained by projecting a roller end face in an axial direction of the outer ring when a roller pitches by a predetermined angle.
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
A magnetic yoke assembly includes a pair of yoke cores, an annular collar, and a tubular holder that holds the pair of yoke cores and the collar. The holder includes a gear portion that includes a plurality of external teeth protruding radially outward from the holder. The collar is disposed at the inner periphery of the gear portion. The axial range in which the collar is present in the holder overlaps the axial range in which the gear portion is provided in the holder.
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01B 7/00 - Measuring arrangements characterised by the use of electric or magnetic techniques
A steering control device is configured to control a steering device. The steering device includes a turning shaft and a turning motor. The turning shaft is configured to turn a turning wheel of a vehicle. Dynamic power transmission between the turning shaft and a steering wheel is separated. The steering control device includes a processing device. The processing device is configured to control drive of the turning motor depending on a steering state of the steering wheel. The processing device is configured to execute a lock process based on a command from an exterior, in a state where the steering device is equipped in the vehicle. The lock process is a process of driving the turning motor such that the position of the turning shaft is kept at a particular position.
[Problem] To provide a battery pack and a battery pack module provided with the battery pack, the battery pack including a plurality of pouch-type battery cells having a configuration in which a power storage part for storing a charge is sealed in an exterior material together with an electrolytic solution, wherein it is possible release the internal pressure of the pouch-type battery cells when the internal pressure becomes too high. [Solution] A battery pack 100 includes: a plurality of pouch-type battery cells 4; and an interposed plate 8 interposed between the pouch-type battery cells 4. The pouch-type battery cells 4 have: a power storage part 5 and an electrolytic solution 6; and an exterior material 7 for sealing the electrolytic solution 6. The interposed plate 8 is provided with a protrusion 81 for breaking the exterior material 7 when the pouch-type battery cells 4 have expanded.
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
[Problem] To provide: a welding method with which laser welding can be reliably performed while limiting an increase in size; a resin joint; and a polygonal case. [Solution] A first resin member 2 and a second resin member 3 are welded by irradiation with laser light while the first resin member 2 and the second resin member 3 are under pressure. The first resin member 2 is a light-absorbing resin member that absorbs laser light, and the second resin member 3 is a light-transmitting resin member that transmits laser light. The second resin member 3 is formed to have a lower side inclined surface 31 inclined with respect to a direction of pressure, and the first resin member 2 is formed to have a facing surface 21 facing the lower side inclined surface 31 and coming into contact with the lower side inclined surface 31 due to the pressure. In a welding step, the first resin member 2 and the second resin member 3 are welded together through irradiation with laser light by directing the laser light to a contact site 53 between the lower side inclined surface 31 and the facing surface 21 from a direction intersecting the direction of pressure so that the laser light passes through the second resin member 3.
In the present invention, a first resin member 2 and a second resin member 3 are welded by a laser light irradiation in a state in which the first resin member 2 and the second resin member 3 are compressed. The first resin member 2 is a light-absorbing resin member that absorbs laser light, and the second resin member 3 is a light-transmitting resin member that transmits laser light. A lower-side inclined surface 31 that is inclined with respect to a compression direction is formed on the second resin member 3, and a facing surface 21 that faces the lower-side inclined surface 31 and that comes into contact with the lower-side inclined surface 31 due to compression is formed on the first resin member 2. In a welding step, the first resin member 2 and the second resin member 3 are welded by having laser light transmit through the second resin member 3 from a direction intersecting the compression direction and irradiate a contact part 53 that is between the lower-side inclined surface 31 and the facing surface 21. In this process of the welding, the contact area between the lower-side inclined surface 31 and the facing surface 21 expands through having the first resin member 2 heated and softened at a portion irradiated with the laser light.
A software processing device of a steering control device is configured to execute a sampling process, a turning angle calculation process, and a control constant learning process. The sampling process is a process of sampling a steering angle and a yaw rate in synchronization. The turning angle calculation process is a process of calculating a turning angle of the turning wheel, using the yaw rate and a vehicle velocity as inputs. The control constant learning process is a process of learning a control constant based on a plurality of combinations each of which is constituted by the steering angle sampled by the sampling process and the turning angle corresponding to the steering angle. The control constant is a constant that indicates a rotational displacement of the turning wheel with respect to a rotational displacement of the steering shaft.
A steering control device controls a steering device. The steering device includes a processor configured to execute a dead band amount calculation process and a superposition process. The dead band amount calculation process is a process of calculating a dead band amount using a steering angle as an input, the dead band amount being an amount by which the steering angle changes while a turning wheel does not turn in a steering direction. The superposition process is a process of superposing a dead band compensation torque on the torque of a motor, when the magnitude of the dead band amount is larger than zero. The dead band compensation torque is a torque that increases the torque of the motor in a direction in which the turning wheel turns depending on rotation of a steering shaft.
A torque sensor (10) comprises a first housing (40) and a second housing (50) that are combined with each other in the axial direction of a shaft (11) subject to detection. The first housing and the second housing respectively have opposing surfaces facing each other in the axial direction. The first housing (40) has a pin (49A, 49B, 49C). The second housing (50) has a pin hole (55A, 55B, 55C) that penetrates in the axial direction corresponding to the pin. A head part (HD) that covers the pin hole is formed at the tip end of the pin by heat staking the tip end of the pin inserted in the pin hole, whereby the first housing (40) and the second housing (50) are joined. The second housing (50) has a groove (56A, 56B, 56C) in the vicinity of the pin hole on a surface thereof opposite to the opposing surface of the second housing (50). The head part has a stopper portion (HDS) that is located inside the groove.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
09 - Scientific and electric apparatus and instruments
Goods & Services
Downloadable computer software for visualizing and centrally managing the operational status of programmable logic controllers and motion controllers; downloadable computer software; computer programs; electronic machines, apparatus and their parts; programmable logic controller; control panels; control panel for machine tools; telecommunication machines and apparatus; measuring or testing machines and instruments; power distribution or control machines and apparatus
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer software for visualizing and managing the operational status of programmable logic controllers and motion controllers; Computer programs; Computer hardware with embedded operating system software; Computer hardware with preinstalled operating system software; Recorded computer software and hardware for receiving, processing, transmitting, displaying data, and use in controlling output devices including conveyors, valves, sensors and buttons, sold as a unit; Programmable logic controller (PLC); Logic circuits; Microcontrollers; Microcontrollers for internet of things (IoT) enabled devices; Control panel for machine tools; power distribution or control machines and apparatus; telecommunication machines and apparatus; measuring or testing machines and instruments.
51.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering torque control process includes a process of calculating a manipulated variable for controlling steering torque to target steering torque by using a proportional element and a derivative element according to a difference between the steering torque and the target steering torque. At least one of the two elements, namely the proportional element and the derivative element, includes an enlarging phase controller. The enlarging phase controller is a controller that enlarges a degree to which a phase of the derivative element is advanced with respect to a phase of the proportional element.
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
B62D 6/10 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to input torque characterised by the means for sensing torque
09 - Scientific and electric apparatus and instruments
Goods & Services
Control panel for machine tools; measuring or testing machines and instruments; power distribution or control machines and apparatus; telecommunication machines and apparatus; electronic machines, apparatus and their parts
53.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A vehicle steering system has a power transmission path cut off between a steering unit that is steered by a steering wheel of a vehicle and a turning unit that operates to turn a turning wheel of the vehicle. A steering control device for the vehicle steering system includes a processor that controls operation of the turning unit. The processor executes a target turning angle calculation process of, based on a steering angle representing a rotation position of the steering wheel, calculating a target turning angle that is a target of a turning angle representing a turning position of the turning wheel and is a control amount for operating the turning unit.
A grease composition includes a base oil, a thickener, and an extreme pressure additive. The base oil contains trimellitate ester and poly-a-olefin. A proportion of the trimellitate ester to a total amount of the trimellitate ester and the poly-a-olefin is 10.0 mass % or more and 60.0 mass % or less. The thickener contains lithium 12-hydroxystearate and lithium stearate. A proportion of the lithium 12-hydroxystearate to a total amount of the lithium 12-hydroxystearate and the lithium stearate is 5.0 mass % or more and 95.0 mass % or less. The extreme pressure additive contains molybdenum dialkyl dithiocarbamate. A proportion of the molybdenum dialkyl dithiocarbamate to a total amount of the trimellitate ester, the poly-a-olefin, the lithium 12-hydroxystearate, the lithium stearate, and the molybdenum dialkyl dithiocarbamate is 0.6 mass % or more and 16.0 mass % or less.
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16H 57/04 - Features relating to lubrication or cooling
This electric power steering device (20) comprises a motor (22B), a speed reducer (22C), and a steering gear box (22A). The steering gear box has an input shaft (61) and a first housing (41). The speed reducer has first to fourth gears (51-54), a second housing (42), and a third housing (43). The first gear is coupled to a motor shaft (22B1) and rotates about a first axis (O1), the second gear and the third gear are coaxially coupled and rotate about a second axis (O2), and the fourth gear is coupled to an axial end of the input shaft and rotates about a third axis (O3). The relative positions of the first axis (O1) and the third axis (O3) are determined by attaching the motor (22B) and the first housing (41) to the second housing (42) from the same attachment direction in the axial direction of the input shaft.
A steering device (20) includes a steering gear box (22A) having a ball screw shaft (62), a first power assist unit (22B) connected to a first end of the ball screw shaft, and a second power assist unit (22C) connected to a second end of the ball screw shaft. The first power assist unit includes a first motor (41) having a first motor shaft (41A), and a first speed reducer (42) for reducing rotational speed of the first motor. The second power assist unit includes a second motor (51) having a second motor shaft (51A), and a second speed reducer (52) for reducing rotational speed of the second motor. The first speed reducer has a worm wheel (42A) and a worm (42B). The second speed reducer includes a first parallel-axis cylindrical gear pair (71) having a first gear (71A) and a second gear (71B), and a second parallel-axis cylindrical gear pair (72) having a third gear (72A) and a fourth gear (72B).
A motor control device includes: a manual steering command value generation unit that generates a manual steering command value; 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 provided in a driver assist mode; and a control unit that performs angle control on an electric motor for steering angle control based on the integrated angle command value. The manual steering command value generation unit generates the manual steering command value based on an equation of motion including road reaction force characteristic coefficients. The motor control device further includes a road reaction force characteristic changing unit that changes a value of at least one of the road reaction force characteristic coefficients included in the equation of motion, based on vehicle environment information that is information on an environment in which a vehicle travels.
A steering control device includes: a target steering corresponding value calculation unit that calculates a target steering corresponding value so that the ratio of the amount of change in steered angle to the amount of change in amount of operation of an operating member becomes greater than 1; a control signal generation unit that generates a control signal; and a mode switch unit that switches a control mode. The mode switch unit performs: an operation determination process of determining whether an operation condition for detecting a valid operation performed on the operating member by a driver is satisfied during an autonomous driving control mode; and a mode switching process of switching the control mode to a manual driving control mode when the operation condition is satisfied. The operation determination process includes a process of determining an unintended operation by the driver to be invalid.
A management system for an experimental animal is provided. This management system includes an information identifying unit configured to identify experimental information on the experimental animal to be transported to an experiment site, and a stress value calculating unit configured to calculate a stress value indicating stress to be suffered by the experimental animal during transportation based on the experimental information. The experimental information includes at least a part of a transportation distance for the transportation of the experimental animal, a transportation period for the transportation of the experimental animal, the number of the experimental animals to be transported at a time, an age of the experimental animal, and information on pretreatment given to the experimental animal prior to the transportation.
A steering device that holds a steering member in such a manner that the steering member is movable between an advanced position where a driver can steer the steering member and a retracted position located closer to the front of a vehicle. The steering device includes: a fixed member attached to a vehicle body; a movable member to which a steering shaft holding the steering member is rotatably attached; and an upper guide mechanism and a lower guide mechanism that linearly guide the movable member with respect to the fixed member. An end on the advancing side of the upper guide mechanism is located further toward the advancing side than an end on the advancing side of the lower guide mechanism in an advancing and retracting direction of the movable member.
A steering control device is configured to execute a torque control process, a feedback amount calculation process, and an automatic control calculation process. The torque control process is a process of controlling torque of the motor according to a value of a required torque variable. The required torque variable is a variable that indicates a target value for the torque of the motor. The feedback amount calculation process is a process of calculating a value of the required torque variable in order to control steering torque to target steering torque through feedback control.
A turning control device (70) is configured to execute turning processing, detection processing, and storage processing. The turning processing is processing which is for turning a turning wheel in at least one of two directions, the right turn side and the left turn side, by operating a motor. The detection processing is processing in which the detection value of an absolute angle sensor and the detection value of a rotation angle sensor are inputs while the turning processing is being executed, and which is for detecting a degree of inconsistency between a displacement amount in an axial direction of a turning shaft and a rotation angle on an input side of a conversion device. The storage processing is processing for storing, in a storage device, a correction amount for suppressing the inconsistency between the displacement amount in the axial direction of the turning shaft and the rotation angle on the input side of the conversion device.
A steering system has a support tube that supports a steering shaft, and a housing that has a cylindrical portion housing a speed reducer. A bearing support member is fitted to an inner circumferential face of the cylindrical portion. A bearing is disposed between an outer circumferential face of the steering shaft and an inner circumferential face of the bearing support member. The bearing support member has an inner circumferential wall that fits to an outer circumferential face of the bearing, an outer circumferential wall that fits to the inner circumferential face of the cylindrical portion, and a coupling wall that couples the inner circumferential wall and the outer circumferential wall in a radial direction. The inner circumferential wall extends from the coupling wall in a same direction as a mounting direction, and the outer circumferential wall extends in an opposite direction from the mounting direction.
A hydrogen storage material (1) comprises: a porous metal body (2) having pores (21); and hydrogen storage alloy particles (3) that comprise a hydrogen storage alloy and are held in the pores (21) of the porous metal body (2). A portion of the surface of a hydrogen storage alloy particle (3) may be separated from the porous metal body (2). The hydrogen storage alloy particles (3) may be movably held in the pores (21) of the porous metal body (2). The porous metal body (2) may be a sintered material of a metal powder. The porous metal body (3) may have a three-dimensional network structure comprising columnar struts and a hub in which a plurality of struts are assembled.
openingMHopeningMHopeningmaxminmaxminmin represents the diameter (unit: μm) of a largest circle among inscribed circles of the openings in the accommodation spaces (211).
A target motor torque command value setting unit includes a basic torque command value setting unit that sets a basic torque command value, a correction unit that corrects a basic target torque set by a basic target torque setting unit using resonance control torque, and a motor torque command value computation unit that computes a motor torque command value based on the basic target torque following correction by the correction unit. The resonance control torque is a sum of a first torque obtained by multiplying a differential value of steering torque by a predetermined first gain, and a second torque obtained by multiplying the steering torque by a predetermined second gain.
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
H02P 23/04 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
67.
AUTOMOTIVE POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING AUTOMOTIVE POWER SUPPLY DEVICE
A control circuit of an automotive power supply device (1) is configured to: execute, when a startup switch of a vehicle is switched to the on state, initial check processing, including one or more abnormality determinations to detect abnormalities of the automotive power supply device (1); and execute, when the startup switch is switched to the off state, a discharge process to discharge via a boost circuit (42) until the voltage of an auxiliary power supply (41) reaches a prescribed voltage. The control circuit is further configured to perform, before executing the one or more abnormality determinations, a restart determination as to whether or not at least one of the voltages on a discharge line (Lsu) on the input and output sides of the boost circuit (42) is at or above a voltage threshold, and if at least one of the voltages is at or above the voltage threshold, not determine that an abnormality has occurred in the automotive power supply device (1) according to a prescribed abnormality determination.
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
68.
STEERING CONTROL DEVICE, STEERING CONTROL SYSTEM, AND STEERING CONTROL METHOD
Provided is a steering control device (70) in which a steering wheel is a control target and in which a motor that steers the steering wheel is an operation target. The steering control device carries out a right turn operation process, a left turn operation process, and a midpoint calculation process. The right turn operation process is for operating the motor to displace the steering wheel, at a right turn speed, to the right turn side to the maximum degree. The left turn operation process is for operating the motor to displace the steering wheel, at a left turn speed, to the left turn side to the maximum degree. The midpoint calculation process is for calculating the midpoint of the maximum value of the steering angle of the steering wheel on the right turn side in the right turn operation process and the maximum value of the steering angle on the left turn side in the left turn operation process. The right turn operation process includes a process for changing the right turn speed partway through the right turn operation process.
[Problem] To provide a differential device in which a lubricating oil can be made to flow inside and outside an input rotating member through a tubular portion of the input rotating member into which an output rotating member is inserted, even when the input rotating member and the output rotating member rotate at the same speed. [Solution] This differential device 1 comprises: a differential case 2 rotates by the driving force of a drive source; and a differential mechanism 4 which is accommodated in the differential case 2, lubricated by a lubricating oil, and distributes the driving force inputted into the differential case 2 to first and second axle shafts 51, 52. The differential case 2 has a body 23 that accommodates the differential mechanism 4, and first and second tubular portions 21, 22 into which the first and second axle shafts 51, 52 are inserted, respectively. Oil grooves 20 extending in the axial direction are formed in the inner circumferential surfaces 21a, 22a of the first and second tubular portions 21, 22. The oil grooves 20 become deeper and wider proceeding from one side to the other side of the first and second cylindrical sections 21, 22 in the axial direction.
A body (11) of a valve assembly (1) has a gas flow path including a first flow path (12) and a second flow path (13). The first flow path (12) is configured to be connected to a gas tank (2) for storing gas. The second flow path (13) is configured to be selectively connected to any one of a plurality of external devices (3). The second flow path (13) includes a main flow path partitioned by linearly extending holes, and a sub-flow path partitioned by the linearly extending holes and intersecting the main flow path. The sub-flow path has a cross-opening end that opens to an inner peripheral surface of the main flow path. Peripheral edges (61, 71) of the cross-opening ends in the body (11) have recessed surfaces that are recessed with respect to a center line of either the main flow path or the sub-flow path. The recessed surfaces are configured such that, in a cross-section including the center line of the main flow path and the sub-flow path, the angle formed by the peripheral edges (61, 71) is greater than the intersection angle of the sub-flow path with the main flow path.
A grinding burn state evaluation system (1) evaluates a grinding burn state of a machined part (Wa) of a workpiece (W), which is machined into a final target shape by grinding the surface of the workpiece (W) with a grinder (2) multiple times while supplying a cooling liquid. The grinding burn state evaluation system (1) comprises: a grinding energy acquisition unit (31) that acquires grinding energy (Q') required for grinding the machined part (Wa) by the grinder (2); a film boiling boundary energy acquisition unit (50) that acquires film boiling boundary energy (Q'w) required for the cooling liquid (CL) supplied to the machined part (Wa) to reach a film boiling state when the machined part (Wa) is ground by the grinder 2; and an evaluation unit (60) that evaluates the grinding burn state of the machined part (Wa) on the basis of the grinding energy (Q') and the film boiling boundary energy (Q'w).
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
A grinding burn state evaluation system (1) evaluates a grinding burn state of a part (Wa) that is being machined in a workpiece (W) machined into a final target shape by grinding the surface of the workpiece (W) a plurality of times while supplying a cooling liquid (CL) by a grinding machine (2). The grinding burn state evaluation system (1) comprises: a grinding energy acquisition unit (31) that acquires grinding energy (Q') required for grinding the part (Wa) to be machined by means of a grinding machine (2); a film boiling boundary energy acquisition unit (50) that acquires a film boiling boundary energy (Q'w) required for a cooling liquid (CL) supplied to the part (Wa) that is being machined to assume a film boiling state when the part (Wa) is ground by the grinding machine (2); a cooling state ascertaining unit (102) that ascertains the cooling state by the cooling liquid (CL); a cooling state reflection unit (107) that reflects the cooling state in the film boiling boundary energy (Q'w) on the basis of the cooling state by the cooling liquid (CL); and an evaluation unit (60) that evaluates the grinding burn state of the part (Wa) that is being machined on the basis of the grinding energy (Q') and the film boiling boundary energy (Q'w) in which the cooling state has been reflected.
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
In this rolling bearing, a material of a rolling element is silicon nitride, a material of an inner ring is a first steel material, a material of an outer ring is the first steel material, and the first steel material includes 0.3 mass%-0.5 mass% inclusive of carbon, 0.05 mass%-0.3 mass% inclusive of silicon, 0.05 mass%-0.5 mass % inclusive of manganese, more than 0 and 0.03 mass% or less of phosphorus, more than 0 and 0.03 mass% or less of sulfur, 13.0 mass%-16.0 mass% inclusive of chromium, 1.5 mass%-2.5 mass% of molybdenum, 0.1 mass%-0.5 mass% inclusive of vanadium, 0.1 mass%-0.2 mass% inclusive of nitrogen, and 0.0005 mass%-0.005 mass% inclusive of boron, with the balance being inevitable impurities and iron.
A hollow profile-manufacturing extrusion die includes a mandrel that molds an inner peripheral surface of a hollow part, and bridges for supporting the mandrel. The mandrel is disposed so as to correspond to a die hole that molds an outer peripheral surface of the hollow profile. The bridges are disposed at positions corresponding to between the hollow part and side surfaces in the hollow profile, and are not present at positions corresponding to between the hollow part and a lower surface.
[Problem] The purpose of the present invention is to provide a differential limiting device that suppresses relative rotation of a pair of output rotating members of a differential device, and that is capable of suppressing an increase in length of a stem part of a joint member connected to one output rotating member. [Solution] A differential device 11 has a differential case 112 and a pair of side gears 115, 116. A differential limiting device 10 suppresses relative rotation of the pair of side gears 115, 116. The differential limiting device 10 is provided with: a joint member 910 of a constant velocity universal joint 91 connected to one side gear 116 in a relatively non-rotatable manner; a clutch mechanism 2 having a clutch 20 for suppressing relative rotation between the joint member 910 and the differential case 112; and an operation mechanism 3 for operating the clutch mechanism 2. The joint member 910 has a cup part 911 formed in a bottomed cylindrical shape, and a shaft-like stem part 912 connected to the side gear 116. The clutch 20 is disposed on an outer periphery of the cup part 912.
The steering control device includes a software processing device. The software processing device is configured to execute assist amount setting processing, axial force setting processing, and reaction force application processing. In the assist amount setting processing, an assist amount is set while an output value of first damping processing that outputs a first damping correction amount having a correlation with a steering angular velocity is used. In the axial force setting processing, the axial force is set while an output value of second damping processing that outputs a second damping correction amount having a positive correlation with the steering angular velocity is used. In the reaction force application processing, a value obtained by subtracting the axial force from the assist amount is an input and a reaction force motor is operated.
A method for determining a parameter representative of a set torque for a motor including: a regulation step determining a command variable as a function of a DC current threshold and a measured DC current; a determination step determining an upper limit and a lower limit of the parameter representative of the set torque as a function of the command variable; an evaluation step determining the parameter representative of the set torque as a function of the upper limit and the lower limit of the parameter representative of the set torque, and of a parameter representative of the desired torque.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
78.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device is configured to calculate a reaction force command value to reflect a reaction force component calculated based on an operation amount of an operating lever, and generate a control signal based on the reaction force command value. The steering control device is configured to execute a keeping state determination process for determining whether a keeping condition for the operation amount is satisfied, and a calculation mode switching process for switching a calculation mode of the reaction force command value to a keeping state calculation mode when the keeping condition is satisfied. The keeping state calculation mode is configured such that a dead band that is a range in which the reaction force component does not change with respect to the operation amount is larger than a dead band in a normal state calculation mode.
A motor control device includes a manual steering command value generation unit that generates a manual steering command value, and a hands-on/off determination unit that determines whether a driver is in a gripping state in which the driver is gripping a steering wheel or in a released state in which the driver is not gripping the steering wheel. The manual steering command value generation unit is configured to generate the manual steering command value based on an equation of motion. The motor control device further includes a coefficient value changing unit that changes a value of at least one coefficient among coefficients included in the equation of motion based on a determination result from the hands-on/off determination unit.
A steering device includes a movable body that rotatably supports a shaft member to which a steering member is attached, and first and second rail mechanisms that guide movement of the movable body in a front-rear direction. The first rail mechanism has a first rolling element row that is disposed between a first raceway face of a first fixed rail and a second raceway face of a first moving rail. The second rail mechanism has a second rolling element row that is between a third raceway face of a second fixed rail and a fourth raceway face of a second moving rail. A contact angle of each of a plurality of first rolling elements with respect to the first and second raceway faces, and the contact angle of each of a plurality of second rolling elements with respect to the third and fourth raceway faces are different from each other.
B62D 1/187 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment
81.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device includes an emergency determination unit configured to determine whether or not an emergency exists in which an emergency avoidance operation is to be performed, and a work adjustment unit configured to adjust work of a driver required to steer steered wheels. The work adjustment unit is configured to execute emergency adjustment processing for adjusting the work in accordance with a determination result of whether or not an emergency exists. The emergency adjustment processing includes reduction processing for reducing the work in an initial stage after the emergency determination unit determines that an emergency exists, as compared in a case in which determination is not made that an emergency exists.
A manual steering command value calculation unit is configured to use road information including information on a road reaction torque to calculate a manual steering command value when a first condition that at least one of input torques for which a dead zone processing unit is provided is outside a dead zone range is satisfied, and not to use the road information to calculate the manual steering command value when the first condition is not satisfied. When alert vibration torque is being applied, the manual steering command value calculation unit uses the road information to calculate the manual steering command value for a predetermined period from a time when a state in which the first condition is satisfied changes to a state in which the first condition is not satisfied.
A method for driving an assistance-providing motor of a power-steering system of a vehicle, the assistance-providing motor including a first winding electrically energized by a first inverter, and at least a three-phase second winding electrically energized by a second inverter different from the first inverter, the first winding and the at least a second winding being mechanically coupled to each other, characterized in that it includes, when a malfunction of short-circuit type is detected between a phase of the first winding and a supply or an electric ground of the first inverter: —a determining step; —a measuring step; —a tripping step; —a controlling step.
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
H02P 25/22 - Multiple windingsWindings for more than three phases
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
11th1th). The second determination condition is that the power supply device (10) has not received the stop permission signal (S2). The third determination condition is that the communication state between the power supply device (10) and the power feed subject (20) is normal.
The present invention is a bearing track member that comprises a shaft section that comprises a first portion and a second portion. A first steel material is used as a material of the first portion, a second steel material is used as a material of the second portion, and the alloy composition of the first steel material differs from the alloy composition of the second steel material. The first portion has a bearing portion that has a track, and the second portion has a power transmission portion that has teeth. The first portion has a first surface hardened layer, disposed along an outer peripheral surface of the first portion, and a first inner section, and the average hardness of the first surface hardened layer is greater than the average hardness of the first inner section. The second portion has a second surface hardened layer, disposed along an outer peripheral surface of the second portion, and a second inner section, and the average hardness of the second surface hardened layer is greater than the average hardness of the second inner section. The first surface hardened layer and the second surface hardened layer are each a carburized layer or a carbonitrited layer, and the first surface hardened layer and the second surface hardened layer are connected. The combination of the first steel material and the second steel material is at least one of the following first through fourth combinations. The first combination is a combination in which the first steel material and the second steel material each include at least one of manganese, nickel, chromium, and molybdenum, the total manganese, nickel, chromium, and molybdenum content of the first steel material being greater than 1.5 times the total manganese, nickel, chromium, and molybdenum content of the second steel material. The second combination is a combination in which the first steel material and the second steel material each include silicon, the silicon content of the first steel material being less than the silicon content of the second steel material. The third combination is a combination in which the first steel material includes either no chromium or no more than 1.6% by mass of chromium and includes either no niobium or no more than 0.01% by mass of niobium, and the second steel material includes at least 1.0% by mass and no more than 2.5% by mass of chromium and includes at least 0.02% by mass and no more than 0.10% by mass of niobium. The fourth combination is a combination in which the first steel material includes at least 0.001% by mass and no more than 0.050% by mass of nitrogen, includes either no boron or no more than 0.001% by mass of boron, and includes either no titanium or 0.003% by mass of titanium, and the second steel material includes at least 0.001% by mass and no more than 0.050% by mass of nitrogen, includes at least 0.001% by mass and no more than 0.005% by mass of boron, and includes at least 0.01% by mass and no more than 0.08% by mass of titanium.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
Provided is a shaft component for manufacturing a bearing raceway component having a power transmission portion with teeth by performing carburizing or carbonitriding. The shaft component is made of a columnar or cylindrical shaft member. The shaft member has a central axis, a first portion on a first side in the axial direction, and a second portion on a second side of the first portion in the axial direction. The first portion is integrated with the second portion. The first portion is made of a first steel material, and the second portion is made of a second steel material. The first portion has a portion that becomes a raceway, and the second portion has a portion that becomes teeth. An alloy composition of the first steel material is different from an alloy composition of the second steel material. A third portion includes a joint surface that is connected to the second portion on the second side of the first portion in the axial direction, and a fourth portion includes a joint surface that is connected to the first portion on the first side of the second portion in the axial direction. A fifth portion is located on the first side of the third portion in the axial direction in the first portion, and a sixth portion is located on the second side of the fourth portion in the axial direction in the second portion. The hardness of the third portion is greater than the hardness of the fifth portion, and the hardness of the fourth portion is greater than the hardness of the sixth portion. The portion that becomes the raceway is located in the fifth portion and is not located in the third portion.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
This bearing track component comprises a shaft member comprising a first portion and a second portion. The first portion is made of a first steel material containing a first alloy component, and the second portion is made of a second steel material containing a second alloy component. The first alloy component is different from the second alloy component. The first portion has a bearing part having a track, and the second portion has a power transmission part having teeth. The first portion has a first surface-hardened layer provided along the outer peripheral surface of the first portion, and a first inner part. The average hardness of the first surface-hardened layer is greater than the average hardness of the first inner part. The second portion has a second surface-hardened layer provided along the outer peripheral surface of the second portion, and a second inner part. The average hardness of the second surface-hardened layer is greater than the average hardness of the second inner part. The first surface-hardened layer and the second surface-hardened layer are both carburized layers or carbonitrided layers, and the first surface-hardened layer and the second surface-hardened layer are connected to each other.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
A power source apparatus includes: an auxiliary power source; and a control circuit configured to control charging and discharging of the auxiliary power source. The control circuit is configured to, after completion of the initial check, charge the auxiliary power source after waiting for traveling preparation of the vehicle to be completed. The control circuit is configured to, after the completion of the initial check, charge the auxiliary power source when both of a first condition and a second condition are satisfied even before the completion of the traveling preparation of the vehicle. The first condition is a condition in which an amount of elapsed time from when the initial check is completed is equal to or more than a time threshold. The second condition is a condition in which voltage across the auxiliary power source is less than a voltage threshold.
A method for controlling a power steering system of a motor vehicle, the method including steps of: detecting an operating state of a steering actuator coupled to a rack; when the steering actuator is operational, providing a torque setpoint to a main motor of the steering actuator, by a first control unit of the steering actuator; when the steering actuator is faulty, but provides an angular position measurement of the main motor, controlling, by a second control unit, a brushless auxiliary motor, coupled to the rack, based on measuring the angular position of the main motor and an angular position of a steering wheel; and when the steering actuator has completely failed, controlling the auxiliary motor according to the angular position of the steering wheel.
A ball screw device 10 comprises: a screw shaft 11 having a first spiral groove 15 on an outer periphery; a cylindrical nut 12 having, on an inner periphery, a second spiral groove 16 facing the first spiral groove 15; and a plurality of balls 13 disposed on a rolling path 17 formed between the first spiral groove 15 and the second spiral groove 16. The nut 12 has, in the middle of the second spiral groove 16, a circulation groove 23 for returning each ball 13 from an end-point side to a start-point side of the rolling path 17. The first spiral groove 15 has a first side wall 31 with which the ball 13 moving on the rolling path 17 comes into contact. The circulation groove 23 has a second side wall 41 with which the ball 13 moving on the rolling path 17 comes into contact. The second side wall 41 has a flat part 43 with which the ball 13 comes into contact, in a lift-up range K for moving the ball 13 along the circulation groove 23 in a state in which the ball 13 is held between the second side wall 41 and the first side wall 31.
Provided is a grease composition including a base oil, urea, and an additive. The base oil includes at least a polyglycol oil. The additive includes molybdenum dithiocarbamate, zinc dithiophosphate, calcium sulfonate, MCA, and an antioxidant. The proportion of urea to the entire grease composition is 6.0-11.0 mass%. As pertains to the proportion of the additive to the entire grease composition, the proportion of molybdenum dithiocarbamate is 3.0-7.0 mass%, the proportion of zinc dithiophosphate is 0.7-5.0 mass%, the proportion of calcium sulfonate is 0.7-5.0 mass%, the proportion of MCA is 3.0-7.0 mass%, and the proportion of the antioxidant is 0.3-3.0 mass%.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
Provided is an evaluation system capable of accurately evaluating a proficiency level. This evaluation system comprises: a sensor attached to a worker's head to detect the movement of the head; a sensor data creation unit that acquires detection values output from the sensor during a period in which the worker operates a device, and creates sensor data that associates the acquired detection values with an elapsed time from the start time of a target period to be evaluated; a movement data creation unit that extracts a movement using the sensor data, and creates movement data that associates the extracted movement with the elapsed time; and an evaluation unit that evaluates the worker's proficiency level using the movement data.
A steering control device (40) executes input-dependent variable calculation processing, arbitration processing, operation processing, target value setting processing, and reflection processing. The input-dependent variable calculation processing is processing of calculating a value of an input-dependent variable according to an intention of a driver to steer. The arbitration processing is processing of inputting the value of the input-dependent variable and an external request value and outputting a value of a target steered angle variable. The operation processing is processing of inputting the value of the target steered angle variable and operating an actuator. The target value setting processing is processing of inputting the value of the target steered angle variable output by the arbitration processing and outputs a target yaw rate. The reflection processing is processing of reflecting, to an operation of the steered angle by the operation processing, an operation amount of feedback control in which the target yaw rate is a target value of a control amount.
This bearing device (1) for a drive wheel comprises: an outer ring (10) that is fixed to a vehicle body-side member (2); a hub (20) to which a wheel (3) is attached; and an outer joint member (30) that has a bottomed cylindrical part (31) and a connection part (35) that is connected to the hub (20) so as to be able to transmit torque. In the outer joint member (30), a first inner raceway surface (33) provided on the outer surface of the cylindrical part (31) is disposed outside in the radial direction (Y) of an outer guide groove (32) provided to the inner surface of the cylindrical part (31), so as to overlap at least a portion of the outer guide groove (32).
B60B 35/14 - Torque-transmitting axles composite or split, e.g. half-axlesCouplings between axle parts or sections
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
F16D 3/22 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
95.
STEERING DEVICE AND ENERGY ABSORPTION MECHANISM FOR STEERING DEVICE
A steering device (1) comprises an inner tube (3), a drive unit (5), and an energy absorption unit (7). The inner tube (3) is provided in a column housing (9) so as to be movable relative to the column housing (9). The drive unit (5) comprises an output unit (11) and a main body unit (13) provided in the column housing (9), and drives the inner tube (3) by means of the output unit (11). The energy absorption unit (7) is unitized, is provided between the inner tube (3) and the drive unit (5), and is configured to absorb an impact force applied to the inner tube (3).
B62D 1/19 - Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
B62D 1/181 - Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory
B62D 1/185 - Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
96.
ARTICULATED VEHICLE CONTROL DEVICE, ARTICULATED VEHICLE CONTROL METHOD, AND ARTICULATED VEHICLE CONTROL PROGRAM
Control devices (80, 90) are configured to execute acquisition processing and notification processing. The acquisition processing is processing for acquiring a value of a turning angular velocity variable. The turning angular velocity variable is a variable indicating a changing rate of a turning angle of a tractor. The notification processing is processing for notifying, by operating a notification device, that there is a risk of a trailer (10) swaying when the absolute value of the value of the turning angular velocity variable is equal to or greater than a threshold value. The notification device (116) is an interface for transmitting information to a person.
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
B60W 40/12 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to parameters of the vehicle itself
B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
A differential gear includes a first connecting member with straight-spline protrusions on its inner periphery; a second connecting member with straight-spline protrusions on its inner periphery; a first side gear; and a second side gear. The first side gear includes a first cylindrical portion coupled to the first connecting member by helical splines, and a first wall portion extending radially inward. The second side gear includes a second cylindrical portion coupled to the second connecting member by helical splines, and a second wall portion extending radially inward. The first wall portion of the first side gear protrudes radially inward beyond the straight-spline protrusions of the first connecting member, and the second wall portion of the second side gear protrudes radially inward beyond the straight-spline protrusions of the second connecting member.
A zero point estimation device is configured to perform a first acquisition process, a second acquisition process, and a zero point estimation process. The first acquisition process is a process of acquiring a plurality of first detection values of a first sensor sampled at different timings from each other while a vehicle is traveling with a change in a direction of travel. The second acquisition process is a process of acquiring a plurality of second detection values of a second sensor sampled in synchronization with the sampling timings of the first detection values to be acquired by the first acquisition process. The zero point estimation process is a process of estimating a zero point of the second sensor by using, as inputs, the plurality of first detection values acquired by the first acquisition process and the plurality of second detection values acquired by the second acquisition process.
A turning control device includes: a target steering angle acquisition circuit; a differential value calculation circuit; a short-term target steering angle calculation circuit that calculates, by distributing a differential value, a short-term target steering angle that is a target value of the steering angle for each control cycle shorter than an acquisition cycle; and a motor control circuit. The short-term target steering angle calculation circuit calculates the short-term target steering angle based on a multiplied value obtained by multiplying the differential value by a coefficient according to the number of times of the control cycle since the target steering angle acquisition circuit has newly acquired a target steering angle, and on the target value of the steering angle before the acquisition.
