A tripod-type constant velocity joint (101) comprises a roller unit (20) and an outer joint member (30). An outer roller (21) of the roller unit (20) has a cylindrical section (22) and two reduced-diameter sections (24, 25) that are provided to both sides of the cylindrical section in a cylinder axis direction (Y1). A roller groove (31) of the outer joint member (30) has a roller rolling surface (32) that is a flat surface in contact with an outer circumferential surface (22a) of the cylindrical section (22) of the outer roller (21), and two facing surfaces (33, 34) that respectively face the two reduced-diameter sections (24, 25) of the outer roller (21). One of the two facing surfaces (33, 34) is a contact surface (34) that is in contact with the reduced-diameter section (25). The cross-sectional shape, in the cylinder axis direction (Y1), of the reduced-diameter section (25) of the outer roller 21 forms a convex line, and the cross-sectional shape, in the cylinder axis direction (Y1), of the contact surface (34) of the outer joint member (30) forms a slanted straight line.
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
A tripod-type constant velocity joint (101) comprises a roller unit (20) and an outer joint member (30). A crowning part (23) is provided on the outer peripheral surface (22a) of a cylindrical part (22) of an outer roller (21) of the roller unit (20), the crowning part (23) being such that the cross-sectional shape thereof in a roller axial direction (Y1) is a crowning shape, and the crowning part (23) being elastically deformed when torque is transmitted. The crowning shape of the crowning part (23) is such that the protrusion height in a roller radial direction (X1) perpendicular to the roller axial direction (Y1) gradually decreases from a central part (23a) in the roller axial direction (Y1) toward edge parts (23b, 23c) positioned at boundaries between the central part (23) and reduced-diameter parts (24, 25) provided on both sides of the central part (23) in the roller axial direction (Y1).
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
This motor control device is for controlling the driving of an electric motor that is capable of controlling a steering angle. The motor control device includes: a manual steering angle command value calculation unit that, in principle, calculates a manual steering angle command value using torsion bar torque; an integrated angle command value calculation unit that calculates an integrated angle command value on the basis of an automatic steering angle command value and the manual steering angle command value; and a control unit that controls the driving of the electric motor such that the rotation angle of the electric motor follows the integrated angle command value. When it is determined that the automatic steering angle command value has suddenly changed, the manual steering angle command value calculation unit sets the manual steering angle command value to a value obtained by subtracting the automatic steering angle command value from the actual steering angle.
A sensor device 3 comprises: a main driving gear 40 that rotates together with a steering shaft 2; driven gears 41, 42 that mesh with the main driving gear 40; magnets 43, 44 and cylindrical magnetic bodies 45, 46 that are attached to the driven gears 41, 42; magnetic sensors 51, 52 that detect the directions of the magnets 43, 44; and a spring 47 that biases the driven gears 41, 42 toward the main driving gear 40. The driven gears 41, 42 have disk parts 411, 421 and columnar shaft parts 412, 422 that mesh with the main driving gear 40. The cylindrical magnetic bodies 45, 46 are arranged so as to surround the shaft parts 412, 422 of the driven gears 41, 42 holding the magnets 43, 44. The spring 47 abuts on outer peripheral surfaces 45a, 46a of the cylindrical magnetic bodies 45, 46. Annular grooves 410, 420 are formed on surfaces on the shaft parts 412, 422 side in the disk parts 411, 421 of the driven gears 41, 42, and one end parts of the cylindrical magnetic bodies 45, 46 in the axial direction are stored in the annular grooves 410, 420.
G01D 5/245 - 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 characteristics of pulses or pulse trainsMechanical 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 generating pulses or pulse trains using a variable number of pulses in a train
Provided is a bobbin replacement device (1a) comprising: a first unit (10) that holds a first bobbin (B1) and is configured to be movable between a first web conveyance position (PW1) and a first bobbin attachment/detachment position (PB1) that are spaced apart from each other in the front-rear direction; and a second unit (20) that holds a second bobbin (B2) and is configured to be movable between a second web conveyance position (PW2) and a second bobbin attachment/detachment position (PB2) that are spaced apart from each other in the front-rear direction, wherein the second web conveyance position is to the left or right of the first web conveyance position. The first web conveyance position (PW1) is a position where winding of a web (W) onto the first bobbin (B1) or unwinding of the web (W) from the first bobbin (B1) is performed, the first bobbin attachment/detachment position (PB1) is a position where attachment/detachment of the first bobbin (B1) is performed, the second web conveyance position (PW2) is a position where winding of the web (W) onto the second bobbin (B2) or unwinding of the web (W) from the second bobbin (B2) is performed, and the second bobbin attachment/detachment position (PB2) is a position where attachment/detachment of the second bobbin (B2) is performed.
In principle, this motor control device includes: a manual steering angle command value calculation unit that calculates a manual steering angle command value by solving a differential equation in which steering torque is used, the differential equation being an equation of motion of a reference model of a steering device; an integrated angle command value calculation unit that calculates an integrated angle command value on the basis of an automatic steering angle command value and the manual steering angle command value; and a control unit capable of controlling an electric motor on the basis of the integrated angle command value. When a predetermined condition is satisfied, the manual steering angle command value calculation unit resets the initial value of a solution of the differential equation using a value obtained by subtracting the automatic steering angle command value from an actual steering angle.
A vehicle control system controls a plurality of vehicle systems including a vehicle steering system. A first control process to be executed by an integrated control device is a process of calculating a steering control value, with a need for cooperation with a vehicle system other than the vehicle steering system. A second control process to be executed by a steering control device is a process of controlling the vehicle steering system to reflect the steering control value calculated by the integrated control device, without the need for cooperation with the other vehicle system. The integrated control device executes the first control process while executing a process of calculating a control value to be used to control the other vehicle system. The second control process is a process of executing control that requires a higher responsiveness than the first control process.
B60W 50/06 - Improving the dynamic response of the control system, e.g. improving the speed of regulation or avoiding hunting or overshoot
B60R 16/023 - 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 transmission of signals between vehicle parts or subsystems
B60W 10/20 - Conjoint control of vehicle sub-units of different type or different function including control of steering systems
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 50/00 - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
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
8.
CONTROL DEVICE FOR ARTICULATED VEHICLE, CONTROL METHOD FOR ARTICULATED VEHICLE, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
An articulated vehicle includes a tractor and a trailer. The tractor includes an input unit and steered wheels. A control device executes switching determination processing, tractor steering processing, and trailer steering processing. The switching determination processing is processing of determining whether a reverse assist mode is in an on state or an off state. The tractor steering processing is processing of steering the tractor in response to an input operation to the input unit in a case in which the reverse assist mode is in the off state. The trailer steering processing is processing of operating the steered angle of the steered wheels in order to steer the trailer in response to an input operation to the input unit in a case in which the reverse assist mode is in the on state, in a state in which power transmission between the input unit and the steered wheels is interrupted.
An electrode (1, 100) comprises: a current collector foil (2) which is formed in a band shape having a prescribed width and which includes a foil central part (11) located at a central part in the width direction and foil end parts located at end parts (12, 13) in the width direction; and active material layers (3, 4) that are laminated on the foil central part (11) without being laminated on the foil end parts (12, 13). A method for manufacturing an electrode (1, 100) comprises heating foil end parts (12, 13) and drawing the heated foil end parts (12, 13) in the longitudinal direction of a current collector foil (2) while conveying, in the longitudinal direction, the electrode (1, 100) in which active material layers (3, 4) are laminated on a foil central part (11), wherein, at the foil end parts (12, 13), the heat input per unit area and unit time decreases proceeding outward in the width direction from positions within the foil end parts (12, 13) closer to the foil central part (11).
H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
H01G 13/00 - Apparatus specially adapted for manufacturing capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
A vehicle control device that controls a driving force and a braking force of a vehicle passing over a change source which changes a vehicle speed by a wheel of the vehicle passing over or descending includes: an impulse calculation unit that calculates an impulse acting on the vehicle when the vehicle passes over the change source and outputs impulse information corresponding to the calculated impulse, a passage determination unit that determines passage over the change source based on the impulse information output by the impulse calculation unit, and a braking/driving calculation unit that calculates the driving force and the braking force when passing over the change source based on a determination result of the passage determination unit. The impulse calculation unit calculates, as the impulse information, a velocity impulse based on the vehicle speed when passing over the change source and a braking/driving impulse based on the driving force and the braking force when passing over the change source. The passage determination unit determines passage over the change source based on a difference between the velocity impulse and the braking/driving impulse calculated by the impulse calculation unit.
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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 10/18 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems
11.
LITHIUM-ION CAPACITOR AND METHOD FOR MANUFACTURING LITHIUM-ION CAPACITOR
A lithium-ion capacitor comprises: a positive electrode (10) in which a positive electrode active material layer (12) containing a positive electrode active material is formed on a positive electrode current collector foil (11); a negative electrode (20) in which a negative electrode active material layer (22) containing a negative electrode active material is formed on a negative electrode current collector foil (21); a separator which is interposed between the positive electrode (10) and the negative electrode (20); and an electrolytic solution in contact with the positive electrode (10), the negative electrode (20), and the separator. The positive electrode current collector foil (11) comprises positive electrode through-holes (11a) penetrating the positive electrode current collector foil (11). The negative electrode current collector foil (21) comprises negative electrode through-holes (21a) penetrating the negative electrode current collector foil (21). The positive electrode open area proportion, which is the open area proportion of the positive electrode through-holes (11a) in the positive electrode (10), is smaller than the negative electrode open area proportion, which is the open area proportion of the negative electrode through-holes (21a) in the negative electrode (20).
This wiring component comprises: a protector (10) which demarcates an internal space through which an element wire is inserted and has a portion where surfaces thereof are positioned so as to face one another; and an exterior member (60) through which the element wire is inserted. The tip of the exterior member is inserted into the protector. The protector has a facing portion that faces an outer-peripheral surface of the exterior member with a prescribed clearance interposed therebetween. A direction which is the axial direction of the facing portion and which extends toward the outside of the protector is oriented so as to have a vertically downward component. The distance between the opening of the exterior member and the inner-peripheral surface of the protector is greater than said clearance.
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
B60R 16/02 - 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
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, when the vehicle is decelerating, a braking force that acts on the left/right pair of rear wheels (13, 14) is greater than a braking force that acts on the left/right pair of front wheels (11,12). The rear wheel side device (3) is provided with a differential device (33) for distributing the driving force of a rear wheel side drive source (31) to the left/right pair of rear wheels (13, 14), and a differential limiting device (7) for limiting the differential of the differential device (33). The control device (6) controls the differential limiting device (7) such that a torque bias ratio is greater when it is determined that the traveling road surface is slippery than when it is determined that the traveling road surface is not slippery.
In the present invention, a control unit includes: a base torque command value calculation unit that calculates a base torque command value on the basis of an integrated angle command value; a disturbance torque estimation unit for calculating a disturbance torque estimation value, which is an estimation value of a torque other than a motor torque that is applied to a drive target of an electric motor; a disturbance torque compensation unit that corrects the base torque command value by using, in principle, the disturbance torque estimation value and outputs a post-compensation torque command value; and a failure determination unit that determines whether or not the disturbance torque estimation unit is in a failed state, and, upon determining that the disturbance torque estimation unit is in a failed state, sets the disturbance torque estimation value to be used by the disturbance torque compensation unit to zero.
A differential device includes an epicyclic gear mechanism having plural planetary gears and a carrier, and a differential gear mechanism having a pair of side gears and plural pinion gear sets. Each planetary gear has a large-diameter gear part and a small-diameter gear part. In each pinion gear set, a first pinion gear and two second pinion gears are meshed with one another within a retaining hole of the carrier. The carrier has plural one-side support parts that support a respective planetary gear on one side in the axial direction of the small-diameter gear part of the planetary gear, and plural other-side support parts that support a respective planetary gear on the other side in the axial direction of the small-diameter gear part. The other side gear is disposed in a position that is closer to the plural other-side support parts than the plural one-side support parts.
A differential device includes a planetary gear mechanism including plural planetary gears and a carrier, and a differential gear mechanism including a pair of side gears and plural pinion gear sets. In each planetary gear, a one-side supported part and an another-side supported part are supported by the carrier. In each pinion gear set, a first pinion gear that engages with one side gear and a second pinion gear that engages with the another side gear are engaged in a holding hole of the carrier. The carrier includes a carrier main body in which the holding holes are formed, and a carrier lid body that closes one end in an axial direction of the holding holes. The carrier main body includes plural one-side support parts that support the one-side supported parts of the planetary gears, and plural another-side support parts that support the another-side supported parts.
A vehicle control device controls a driving force and a braking force of a vehicle passing over a change source which changes a vehicle speed by a wheel of the vehicle passing over or descending. The device includes: a passage determination unit that determines that the vehicle has passed over the change source, an impulse calculation unit that calculates an impulse acting on the vehicle when the vehicle passes over the change resource and that outputs impulse information corresponding to the calculated impulse, and a braking/driving calculation unit that calculates the driving force and the braking force after the vehicle has passed over the change source based on the impulse information. The impulse calculation unit calculates a velocity impulse based on the vehicle speed which changes when passing over the change source and a braking/driving impulse based on the driving force and the braking force which change when passing over the change source. The braking/driving calculation unit calculates, in response to the passage determination unit determining that the vehicle has passed over the change source, the driving force and the braking force based on a variation of a disturbance impulse when having passed over the change source, when the disturbance impulse is a difference between the velocity impulse and the braking/driving impulse.
A steering device (1) comprises: a housing (10); a motor (6); a steering shaft (42); a nut (91) having a cylindrical shape and provided on the outer periphery of the steering shaft; a bearing (20) provided on the outer periphery of the steering shaft and capable of sliding in the axial direction of the steering shaft; and wave washers (300a, 300b) disposed between the housing and an outer ring (22) of the bearing. The bearing includes bearing end surfaces (23a, 23b) at the ends of the outer ring in the axial direction. The housing includes housing wall surfaces (111a, 111b) facing the bearing end surfaces in the axial direction. The wave washers are provided between the bearing end surfaces and the housing wall surfaces. In the wave washer, at least some of a portion not including an inner diameter portion (302), which constitutes a prescribed range extending from an inner edge (301) toward an outer edge (311), is pre-compressed between the bearing end surfaces and the housing wall surfaces.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 133/08 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
A method for producing a raw material of grease, including: preparing first thickener raw material; second thickener raw material; first lubricating oil; second lubricating oil; first solvent with a boiling point lower than those of the oils, dissolves the first oil, and does not dissolve a produced thickener; and a second solvent with a boiling point lower than those of the oils, dissolves the second oil, and does not dissolve the produced thickener; dissolving the first lubricating oil in the first solvent, and dissolving or dispersing the first thickener raw material in the first solvent to obtain a first mixed solution; dissolving the second lubricating oil in the second solvent, and dissolving or dispersing the second thickener raw material in the second solvent to obtain a second mixed solution; and mixing the first and second mixed solutions, and reacting the first and second thickener raw materials producing a thickener.
C10M 107/18 - Hydrocarbon polymers modified by oxidation
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
C10M 177/00 - Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
A road surface friction coefficient estimation method according to the present invention is executed by a processor (10), and estimates µ, which is a friction coefficient of a road surface, using a nonlinear Kalman filter. The nonlinear Kalman filter includes a plurality of observation variables and a plurality of state variables, and the plurality of state variables include µ and cornering power. The road surface friction coefficient estimation method includes a prior estimation step for estimating the plurality of state variables using an equation of state including a speed of a front wheel, a speed of a rear wheel, and cornering power, as variables, a plurality of state variables estimated last time, and an input amount. The road surface friction coefficient estimation method includes a posterior estimation step for estimating the plurality of observation variables using an observation equation including the speed of the front wheel, the speed of the rear wheel, and cornering power, as variables, a plurality of observation variables, and an input amount, to correct the plurality of state variables estimated in the prior estimation step using the estimated observation variables.
A steering device (20) comprises a steering gear box (22A). The steering gear box has a housing (41), a ball screw shaft (42), two bearings (47, 48), a ball screw nut (43), a sector shaft (45), and a sector gear (46). At least one of the two bearings is a single-row radial ball bearing. The radial ball bearing (47) has an inner ring (47A), an outer ring (47B), and a plurality of balls (47C). The inner ring has a groove part (61) that extends over the entire circumference of the outer peripheral surface of the inner ring and constitutes a track on which the balls roll, an outer shoulder part (62) that includes a region of the outer peripheral surface of the inner ring that is farther outward in the axial direction than the groove part, and an inner shoulder part (63) that includes a region of the outer peripheral surface of the inner ring that is farther inward in the axial direction than the groove part. The outer diameter (φ1) of the inner shoulder part is larger than the outer diameter (φ2) of the outer shoulder part.
A rolling bearing constituting a rotating body in a strain wave gear reducer comprising a circular spline having internal teeth, a flexspline provided inside the circular spline and having external teeth that mesh with the internal teeth, and a rotating body that is provided inside the flexspline and is for inducing the flexure of the flexspline into a non-circular shape to partially mesh the external teeth with the internal teeth, the rolling bearing comprising an outer race attached to the radially inward side of the flexspline, an inner race positioned radially inward of the outer race, rolling elements positioned between the outer race and the inner race in the radial direction, and an annular seal member fixed to one among the outer race and the inner race and in slidable contact with the other thereamong, wherein the seal member has an expandable and contractible portion that is expandable and contractible in the radial direction.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
24.
COUPLED VEHICLE CONTROL DEVICE, COUPLED VEHICLE CONTROL METHOD, AND COUPLED VEHICLE CONTROL PROGRAM
An articulated vehicle includes a tractor and a trailer that is towed by the tractor. The articulated vehicle is provided with an interface for a driver to instruct a target virtual steering angle which is a target value of a virtual steering angle. The virtual steering angle is a variable that indicates a direction of travel of a linking point between the trailer and the tractor. The control device is configured to execute processing of acquiring the target virtual steering angle, virtual steering angle control processing of operating a steering system of the articulated vehicle to control the virtual steering angle to the target virtual steering angle, and processing of restricting an absolute value of vehicle speed of the articulated vehicle to a small side with the target virtual steering angle as input during execution of the virtual steering angle control processing.
This motor apparatus (1) comprises: a motor (11); a motor case (21) that houses the motor; a circuit board (32) on which an electronic component (301) and wiring (311) for controlling driving of the motor are provided; and a fastening member (32c) that secures the circuit board to a board-securing portion (271) of the motor case. A positioning hole (601) and a fastening hole (621) are formed in the circuit board. The board-securing portion has a board-facing surface (272) that faces the circuit board, a positioning column (281) that extends from the board-facing surface toward the circuit board and is inserted into the positioning hole, and a fastened portion (291) to which the fastening member is fastened through the fastening hole. The positioning column is integrated with the board-securing portion.
This motor device (1) comprises a motor (11), a circuit board (32), a connector (41), a motor case (21), and a cover (51). The motor case includes: a first portion (201) to which the circuit board is fastened while having a protruding part (33); and a second portion (221) that is disposed side by side with the first portion in a second direction that intersects a first direction that is the thickness direction of the circuit board. The connector includes an inward part (43) that is disposed between the protruding part and the second portion in the first direction, and an exposed part (44) that is exposed from the motor case in the second direction. The exposed part has a connector port (46) that opens in the second direction and is configured such that a connector of an external apparatus is inserted and removed. The second portion has a first fitting part (224) that extends along the exposed part in a third direction that intersects the second direction, and the inward part has a second fitting part (432) that extends along the exposed part in the third direction and is fitted to the first fitting part in a protrusion/recess relationship.
A power supply device (50) is for a vehicle that comprises a first power supply (24) and a second power supply (80) that supply power to actuator control devices (30, 40) that control onboard actuators. The power supply device comprises: a common supply path (Ls) that supplies power from the first power supply and power from the second power supply to the actuator control devices; and a backup control device (70). An electrical path between the supply path and the first power supply has a switch (26) that opens/closes the electrical path. The backup control device is configured to execute monitoring processing and status reporting processing. The monitoring processing is processing that monitors the voltage at the portion of the electrical path that is between the switch and the supply path. The status reporting processing includes processing that reports the results of the voltage monitoring to the actuator control devices.
This power supply device (10) comprises: an auxiliary power supply (10A) that backs up a main power supply (20) that supplies power to a control device (30) of an in-vehicle system; and a control circuit (10C) that controls charging of an auxiliary power supply with power from the main power supply and discharging of the auxiliary power supply. When the power supply of a vehicle is turned on, the control circuit performs an initial check, which is an initial inspection at the time of startup. When the control circuit acquires information (S1) indicating the completion of operation preparation as charging permission from the control device, the control circuit charges the auxiliary power supply. The control circuit does not acquire the information indicating the completion of the operation preparation as the charging permission from the control device until the initial check is completed, or does not charge the auxiliary power supply even if the information indicating the completion of the operation preparation is received before the initial check is completed. The control circuit charges the auxiliary power supply when information indicating completion of operation preparation is acquired as charging permission from the control device after the initial check is completed.
This steering device includes a steering mechanism that is mechanically separated from a steering member, a reaction force motor that applies a reaction force torque to the steering member, a steering motor that drives the steering mechanism, a reaction force motor control device that controls the reaction force motor, and a steering motor control device that controls the steering motor, wherein: the reaction force motor control device includes a first target manual steering angle calculating unit that calculates a first target manual steering angle on the basis of steering torque input by a driver, and a steering control unit that controls the reaction force motor using the first target manual steering angle; and the steering motor control device includes a second target manual steering angle calculating unit that calculates a second target manual steering angle on the basis of the steering torque input by the driver, and a steering control unit that controls the steering motor using the second target manual steering angle.
A control unit according to the present invention includes a target driver torque calculation unit that calculates a target driver torque that is to be inputted to a steering member by a driver, a target integrated driver torque calculation unit that can calculate a post-add-on target driver torque that is obtained by adding a target add-on reaction torque to the target driver torque, a feedback control unit that calculates a feedback control torque by performing torque feedback control such that steering torque tracks the target integrated driver torque, a target manual steering angle calculation unit that calculates a target manual steering angle on the basis of the feedback control torque and the steering torque, and an angle control unit that calculates a target motor torque by performing angle feedback control such that an actual steering angle tracks a target integrated steering angle that is obtained by adding a target automatic steering angle to the target manual steering angle.
Method (100) for detecting a loss of grip in a vehicle equipped comprising a power steering system, the method (100) comprising:
at least one first measurement (101) by a first sensor configured to measure a first physical quantity representative of a driving direction defined by a driver 5 of the vehicle;
at least one second measurement (102) by a second sensor configured to measure a second physical quantity representative of a vehicle response to the driving direction;
a determination (103) of vehicle oversteer (SURV) or a vehicle understeer (SOUV) based on a criterion that is a function of at least one first measurement and at least one second measurement.
The ball screw device includes a screw shaft having a groove on an outer periphery thereof, a ball screw nut having a groove on an inner periphery thereof, a plurality of return tubes, and a plurality of balls. The plurality of return tubes includes at least a first return tube and a second return tube. A position of a first end portion of the second return tube relative to a position of a first end portion of the first return tube in a circumferential direction of the ball screw nut is a first relative position, and a position of a second end portion of the second return tube relative to a position of a second end portion of the first return tube in the circumferential direction is a second relative position. At least one of the first relative position and the second relative position includes offset in the circumferential direction.
A method for estimating a dry friction deviation value representative of a deviation between an actual value of dry friction exerted on a power steering system of a vehicle and a nominal dry friction value, the method comprising the following steps implemented by data processing means: a) determining a value of force exerted on a rack of the power steering system, b) determining the nominal dry friction value based on the speed of the vehicle, c) calculating the dry friction deviation value based on the force value and the nominal dry friction value, assuming that the dry friction deviation value is independent of the speed of the vehicle.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
A motor control device includes: a steering member; an electric motor that drives a steering operation mechanism; a manual steering command value generation unit that generates a manual steering command value using steering torque; 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 for driving assistance; and a motor control unit that controls the electric motor based on the integrated angle command value. The manual steering command value generation unit is configured to generate 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 change unit that, when a direction change command is input by a driver operation, increases a value of at least one road reaction force characteristic coefficient out of the road reaction force characteristic coefficients as compared to a value before the direction change command is input.
At least one processor of this driving assistance system for assisting in driving of a host vehicle is configured to execute: planning a driving trajectory of the host vehicle for a future travel environment; setting, on the basis of the driving trajectory, a required slip angle (βd) and a required yaw rate (γd) which are required for the host vehicle; and controlling distribution of a front wheel steering angle and a rear wheel steering angle, which are given from a steering actuator to a front wheel part and a rear wheel part in the host vehicle, in accordance with the required slip angle (βd) and the required yaw rate (γd). The setting of the required slip angle (βd) and the required yaw rate (γd) includes adjusting, in a relative manner, a slip angle weight (ωβ) which reflects a target slip angle for following the driving trajectory on the required slip angle (βd) and a yaw rate weight (ωγ) which reflects a target yaw rate for following the driving trajectory on the required yaw rate (γd).
B62D 7/14 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
A steering system for steer-by-wire that holds operating member movably between a first position that is a position of operating member wherein operating member is able to be operated by driver, and second position that is further forward in vehicle than first position, steering system including fixed member attached to vehicle body, movable member that supports operating member and that is attached to fixed member so as to be movable in front-rear direction of vehicle, drive device that moves movable member in front-rear direction relative to fixed member and fixes operating member at first and second positions, and impact absorbing mechanism that is connected between movable member and drive device in a manner interposed therebetween, and that, in a case wherein a first load is applied to movable member from forward toward rearward in vehicle, is deformed by first load and also allows movable member to move rearward in vehicle.
B62D 1/181 - Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory
B62D 1/19 - Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
B62D 5/00 - Power-assisted or power-driven steering
37.
RESIN MOLDED PRODUCT AND MANUFACTURING METHOD OF RESIN MOLDED PRODUCT
A resin molded product has a first molded portion and a second molded portion. The first molded portion has a component as an insert, and a first resin portion that is integral with the component. The second molded portion has a second resin portion. The first resin portion has a first face, a second face, a third face, and a fourth face. The second resin portion is in contact with all faces of the first face, the second face, the third face, and the fourth face, of the first resin portion.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 45/40 - Removing or ejecting moulded articles
38.
DRIVING ASSIST SYSTEM, DRIVING ASSIST METHOD, AND DRIVING ASSIST PROGRAM STORED ON NONTRANSITORY STORAGE MEDIUM
A driving assist system for assisting driving of a host vehicle is provided. The driving assist system plans a target path of the host vehicle, and controls motion of the host vehicle in accordance with the target path by adjusting a front wheel steering angle and a rear wheel steering angle. In planning the target path, the driving assist system calculates the target path where a vehicle body slip angle and a yaw rate are generated when the host vehicle is decelerated with lateral movement so that the vehicle body slip angle is due to controlling the front wheel steering angle and the rear wheel steering angle in phase with each other and the yaw rate is due to a difference between the front wheel steering angle and the rear wheel steering angle.
B62D 7/15 - Steering linkageStub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
A pulley (10) has a pulley body (20) and a flange member (30) attached to a first end of the pulley body. The first end of the pulley body has a fitting groove (23). The fitting groove has a first inner wall surface (23A), a second inner wall surface (23B), and a bottom wall surface (23C). The first inner wall surface is farther from a second end of the pulley body in the axial direction than the second inner wall surface. An engagement protrusion (24) extending in the circumferential direction of the pulley body is at least partially provided at a corner between the first inner wall surface and the bottom wall surface. The flange member imparts an elastic force (F0) to the engagement protrusion when the flange member is fitted into the fitting groove. The engagement protrusion has an inclined surface (24A) that converts the elastic force into a radial component force (F1) and an axial component force (F2). The radial component force is a force in a direction toward the radially inner side of the pulley body. The axial component force is a force in a direction from the first inner wall surface toward the second inner wall surface.
Included are an input shaft to which rotational drive force from a drive source is input, a first joint that is linked to the input shaft, an output shaft to which the rotational drive force is output, and a second joint that is linked to the output shaft, in which a drive force transmission path includes a plurality of fitting portions that is provided with a spline shaft portion that has a plurality of spline teeth and a spline groove portion that has a plurality of fitting grooves that fits to the plurality of spline teeth, and the plurality of fitting portions includes a first fitting portion and a second fitting portion in which the plurality of spline teeth is twisted with respect to rotation axial lines, and torsional directions of the plurality of spline teeth differ between the first fitting portion and the second fitting portion.
A double offset constant velocity joint includes an outer ring, an inner ring, and a plurality of balls, in which the outer ring has first wall portions in which outer ring ball grooves are formed, and second wall portions are each situated between two first wall portions that are adjacent in a circumferential direction, and outer faces of the first wall portions protrude outward in a radial direction beyond outer faces of the second wall portions, and a thickness of the first wall portions at contact portions between the outer ring ball grooves and the balls, a thickness of groove bottoms of the outer ring ball grooves of the first wall portions, and a thickness of the second wall portions, are set to values that satisfy Expression (1): Ta>Tc≥Tb . . . (1).
F16D 3/226 - 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 cylinder co-axial with the respective 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
An electric wheelchair includes a vehicle body, a drive wheel that causes the vehicle body to travel, a motor that drives the drive wheel, a grip to be held by an operator and displaceable in a front-rear direction of the vehicle body by an operation of the operator, an operation detection unit that detects a position of the grip in the front-rear direction, and a control device that controls the motor based on the position detected by the operation detection unit. The control device changes a control parameter to be used to control the motor in response to occurrence of a predetermined change in an operation state made by the operator or a predetermined change in a slope gradient.
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
43.
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD
A steering control device according to the present invention executes a target steering torque setting process, a feedback manipulation amount calculation process, and a manipulation process. The target steering torque setting process is for setting a target steering torque, which is a target value for steering torque. The feedback manipulation amount calculation process is for calculating a manipulation amount in feedback control in which a detected value of the steering torque is a control amount. The manipulation process is for manipulating, in accordance with the manipulation amount, the torque of a motor which is mounted on a steering device. The target steering torque setting process is for setting the target steering torque on the basis of a suppression state quantity as an input variable. The suppression state quantity is a state quantity in which an inertial component of a steering state quantity that is used in calculation for manipulation of the torque of the motor is suppressed.
This parking assistance device includes: a target trajectory generation unit that generates a target trajectory to a target parking position in a target parking frame; and an automatic steering angle command value calculation unit that calculates an automatic steering angle command value for causing a host vehicle to travel automatically along the target trajectory generated by the target trajectory generation unit and move to the target parking position in the target parking frame. The target trajectory generation unit has a function of, when a steering intervention is performed during automatic traveling, performing first target trajectory update processing in which another parking frame different from a current target parking frame is set as a new parking frame candidate on the basis of information relating to the steering intervention and peripheral information of the host vehicle, a travel trajectory into the new parking frame candidate is generated, and the target trajectory is updated from the current target trajectory to the travel trajectory into the new parking frame candidate.
A control device 23 includes: a first acquiring unit 231 that acquires a travel parameter relating to the travel speed or travel acceleration of a vehicle; a second acquiring unit 232 that acquires braking start information indicating the start of braking of the vehicle; and a travel control unit 233 that is capable of executing braking assist control for controlling a braking device of the vehicle. When the braking start information is acquired, the travel control unit 233 uses the travel parameter to acquire deceleration information relating to negative acceleration of the vehicle, and executes the braking assist control on the basis of the deceleration information.
A drive wheel bearing device 10 comprises a bearing 30 and a joint member 20 attached to the bearing 30. The joint member 20 has a cup part 22 and a shaft part 21 that extends from the cup part 22 in the axial direction and is connected to a hub ring 34 such that torque can be transmitted thereto. The cup part 22 has an abutment surface 23 that abuts an end surface of an inner ring 33 in the axial direction, and an extension surface 24 that extends from the abutment surface 23 toward the shaft part 21 and is positioned on the radially inner side of the inner ring 33. The inner ring 33 has an opposing surface 42 that is opposite of the extension surface 24. The extension surface 24 and the opposing surface 42 do not contact each other when a force M acting on the bearing 30 is less than a threshold M1 and contact each other when the force M acting on the bearing 30 is greater than or equal to the threshold M1.
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
A differential device includes a planetary gear mechanism including plural planetary gears and a carrier, and a differential gear mechanism including a pair of side gears and plural pinion gear sets. Each planetary gear includes a large-diameter gear part and a small-diameter gear part. Each pinion gear set is constituted by engaging a first pinion gear that engages with one side gear and a second pinion gear that engages with another side gear. The first pinion gear and the second pinion gear are held in a holding hole formed in the carrier. The positions of the plural pinion gear sets in a radial direction perpendicular to a rotation axis of the carrier are closer to the rotation axis side than the positions in the radial direction of the small-diameter gear parts of the plural planetary gears.
F16H 48/285 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using self-locking gears or self-braking gears with self-braking intermeshing gears having parallel axes and having worms or helical teeth
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
F16H 48/11 - Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears
This control device 23 is for a vehicle that has a braking device. The control device 23 includes an acquisition unit 231 that acquires a travel parameter related to a travel speed or a travel acceleration of the vehicle, a target value setting unit 232 that sets a target value for braking the vehicle, and a travel control unit 233 that can execute braking assist control for controlling the braking device so that the travel parameter approaches the target value. The travel control unit 233 executes braking assist control when a predetermined condition related to deceleration of the vehicle is satisfied.
A relief valve (1) has a housing (11), a piston (12), an urging member (14), and guide paths (12D, 16). The housing includes: a circumferential wall that has an output port (11B) for gas; a first end wall that is provided at a first end of the circumferential wall and has an input port (11A) for gas and a valve seat (11C) that surrounds the input port; and a second end wall (13) that is provided at a second end of the circumferential wall. The piston is accommodated in the housing so as to be capable of sliding in the axial direction. The piston has a valve body (12A) that comes into contact with or separates from the valve seat in the axial direction to open and close the input port. The urging member is positioned between the piston and the second end wall and constantly urges the piston in the valve-closing direction. The guide paths guide gas that flows into the input port so as to reduce the force that acts on the piston in the valve-opening direction.
F16K 17/06 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
50.
ARTICULATED VEHICLE CONTROL DEVICE, ARTICULATED VEHICLE CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
A control device of the articulated vehicle is configured to execute acquisition processing and steering control processing. The acquisition processing is processing of acquiring vehicle speed and an angle detection value. The angle detection value is a detection value of a value of an angle variable related to steering of the articulated vehicle, and is detected by a sensor. The steering control processing is processing of operating the actuator based on the angle detection value as an input variable, and also includes vehicle speed dependent processing. The vehicle speed dependent processing is processing of reducing responsivity of a manipulated variable of the actuator with respect to change in the angle detection value in a case in which the vehicle speed is low as compared to a case in which the vehicle speed is high.
A sliding member includes a sheet, a metal ring, and a rubber. The sheet is made of conductive fibers, is fixed in contact with a first member made of a steel material, and is in slidable contact with a second member made of a steel material. The metal ring includes a first circumferential surface disposed to be oriented to a first radial side and extending in an axial direction, and a second circumferential surface disposed to be oriented to a second radial side and extending in the axial direction. The rubber includes at least a second rubber portion out of a first rubber portion fixed to the first circumferential surface, and the second rubber portion fixed to the second circumferential surface. The sheet includes a sheet portion fixed to the second rubber portion. In the sliding member, a first surface on the first radial side is the first circumferential surface or a surface of the first rubber portion on the first radial side, and a second surface on the second radial side is a surface of the second rubber portion on the second radial side and/or a surface of the sheet portion on the second radial side. In the sliding member, a first thickness is a thickness from the first circumferential surface to the first surface, and a second thickness is a thickness from the second circumferential surface to the second surface. The second thickness is larger than the first thickness.
An electric wheelchair includes a vehicle body, a drive wheel that causes the vehicle body to travel, a motor that drives the drive wheel, a grip to be held by an operator and displaceable in a front-rear direction of the vehicle body, an operation detection unit that detects a position of the grip in the front-rear direction, a brake detection unit that detects a brake operation on the vehicle body by the operator, and a control device that controls the motor based on the position detected by the operation detection unit. When the grip is switched from a holding state to a non-holding state by the operator or when the brake detection unit is switched from a brake operation termination state to a brake operation state, the control device controls a braking force applied to the motor to be greater than the braking force before switching.
A61G 5/04 - Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
A61G 5/06 - Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle-mounting facilities, e.g. for climbing stairs
An excess flow valve includes: a valve seat provided in a valve disc housing portion of a gas channel and having a valve orifice; a valve disc configured to be slidably housed in the valve disc housing portion; and a biasing member configured to bias the valve disc. The valve disc includes a head configured to close the valve orifice, and a protruding portion protruding from the head and configured to be inserted into the valve orifice. The travel range of the valve disc between open and closed positions includes a first transition range and a second transition range. The first transition range is a range in which the valve disc travels with the entire protruding portion located in the valve disc housing portion. The second transition range is a range in which the valve disc travels with at least part of the protruding portion located in the valve orifice.
F16K 17/30 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
A sliding member includes: a sheet that is a nonwoven fabric or a woven fabric formed of conductive fibers; a metal ring; and a rubber, wherein the sheet integrally has: a fixed portion that is fixed in a state of being in contact with a first member including a steel material on a first side in a radial direction of the metal ring; a sliding portion slidably contacting a second member including a steel material on a second side in the radial direction; and an intermediate portion positioned between the fixed portion and the sliding portion, the metal ring is disposed at an interval on a first side in an axial direction with respect to the sheet, and the rubber has a first portion disposed in the interval.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
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 vehicle steering system includes a motor and a transmission mechanism. The motor includes a motor housing. The transmission mechanism includes a mechanism housing. The motor is disposed such that an output portion of an output shaft protrudes from the lower side of the motor housing in a direction of gravity. The transmission mechanism is disposed so as to house the output portion from the lower side of the motor in the direction of gravity. A motor-side fitting portion of the motor housing includes an extending portion disposed outward of a mechanism-side fitting portion of the mechanism housing in the radial direction of the output shaft. The extending portion extends from the motor housing toward the lower side in the direction of gravity such that the position of the extending portion in the axial direction overlaps with the mechanism-side fitting portion.
The present invention comprises: an entropy determination unit (104) that sequentially acquires a steering angle and sequentially determines, on the basis of the steering angle, a relative steering entropy (RHp) indicating the latest steering characteristic of a driver with respect to the normal steering characteristic of the driver, the relative steering entropy (RHp) being a value representing the smoothness of steering control of the driver in terms of entropy; and an intervention degree determination unit (105) that determines an intervention degree (α), with which a steering assistance system (10) mounted on a vehicle driven by the driver intervenes in the steering control, to a higher value as the relative steering entropy (RHp) indicates a state in which a load on the driver is higher.
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
A steer-by-wire type steering system includes an operation unit including an operation member and a reaction force applying device, a steering unit configured to steer at least one wheel, and a controller. The controller includes a plurality of control modes each having a different steering characteristic. The controller is configured to change the steering characteristic by executing a plurality of characteristic change controls each configured to change a predetermined control parameter related to a control of the reaction force applying device and/or the steering unit. In response to switching of the control mode, the controller is configured to execute, when it is determined that a vehicle state satisfies a predetermined condition, one or more of the plurality of characteristic change controls, and execute, regardless of whether the vehicle state satisfies the predetermined condition, another one or more of the plurality of characteristic change controls.
The present invention comprises: an intention estimation unit (103) that estimates, with three or more levels of accuracy, the steering intention of steering being performed by a driver in order to change lanes; and an intervention degree determination unit (105) which, for higher accuracies of the steering intention estimated by the intention estimation unit (103), determines a higher value for the degree of intervention of a steering assistance system (10) mounted in a vehicle being driven by the driver. The degree of intervention becomes relatively low when the accuracy of the steering intention is relatively low. Accordingly, it is possible to prevent the steering assistance system from excessively intervening in steering and giving the driver an unnatural feeling of manipulation from a time point when the steering intention is unclear. The degree of intervention becomes relatively high when the accuracy of the steering intention is relatively high. Accordingly, when the steering intention becomes clear, the degree of intervention of the steering assistance system in the steering becomes high, and the steering assistance system can assist the steering of the driver.
A tripod constant-velocity joint includes an outer ring, a tripod, and a plurality of roller units. Each of the plurality of roller units has an outer roller, an inner roller, and a needle that is cylindrical and that is sandwiched between the outer roller and the inner roller. A needle count (A), a needle diameter (B), and a circumferential direction clearance (C), of the needles (33), are set to values that satisfy the following Expression (1): (C/(A×B+C)×100≥0.678.
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
60.
MALEIC ACID-BASED ADDITIVE, GREASE COMPOSITION, AND ROLLING BEARING
A grease composition includes base oil, a thickener, and a maleic acid-based additive. The maleic acid-based additive is a polymer including maleic anhydride and either or both of an acrylic acid derivative and an olefin as monomer components. A content of the maleic acid-based additive is 0.10 mass % or more and 8.10 mass % or less with respect to a total mass of the thickener and the base oil.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
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
C10M 145/16 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate polycarboxylic
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
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 motor device (11) comprises: a motor (12) that has a first end part and a second end part on which a heat sink (22) is provided; a connector assembly (31) that is disposed at a side of the motor; and a substrate (32) that is disposed so as to overlap the heat sink and the connector assembly. The second end part of the motor has a metal accommodation part (21). The accommodation part has an overhanging part (21B) that overhangs at the side of the motor. A fitting hole (21C) penetrating in the axial direction of the motor is provided in an end wall of the overhanging part. The connector assembly is fitted into the fitting hole by means of a sealing material (51). The heat sink has an extension part (22B) that extends toward the fitting hole inside the accommodation part. An electronic component (32A) that generates heat when energized is provided in a region of the substrate overlapping the extension part. The electronic component is in contact with the extension part in a heat transferable manner.
A motor device (11) is provided with: a motor (12); a substrate (32) provided at an end of the motor; and a cover (33) attached to the end of the motor so as to cover the substrate. The cover has an end wall facing the substrate in the axial direction of the motor. The end wall includes a first flat wall (33A) and a second flat wall (33B). The first flat wall and the second flat wall each extend in a direction orthogonal to the axial direction of the motor and are disposed adjacent to each other. When viewed from the axial direction of the motor, the area of the first flat wall is larger than that of the second flat wall. The first flat wall is provided with one or more guard ribs (51, 52, 53) protruding to the side opposite to the substrate.
A power supply circuit includes a power conversion circuit. A terminal voltage of a first direct-current voltage source and a terminal voltage of a second direct-current voltage source are applied to the power conversion circuit. The power supply circuit includes a bypass path. The bypass path is a path that bypasses the power conversion circuit and connects the first direct-current voltage source and an electrical load, and includes a switch that opens and closes the path.
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
H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
An electronic control device (13) is provided with a substrate (32) and a connector assembly (31) facing the substrate. The connector assembly has: a body (41) configured to be attached to an attachment target (12); and terminals (42-45) held by the body. The body has: configured connectors (41B, 41C); a first end surface (S1) on which the connectors are provided; and a second end surface (S2) facing the substrate. The terminals have: first end parts disposed inside the connectors; and second end parts connected to the substrate in a state of penetrating the substrate. The second end surface is provided with: a plurality of fastening parts (48A-48D) to which the substrate is fixed; and ribs (51-54) that connect the plurality of fastening parts to each other.
A vehicle differential device includes a pinion gear pair, a first side gear pair, a second side gear pair, a differential case, a first sliding member, a second sliding member, a third sliding member, and an elastic member. The elastic member is compressed in the rotation axis direction by the first outer gear member and the second outer gear member, or the first inner gear member and the second inner gear member, both during driving, which is when torque in a forward direction of the vehicle is input to the differential case, and during coasting, which is when the vehicle is traveling forward under inertia, and the first sliding member and the second sliding member are restricted from rotating relative to the differential case, and are also movable relative to the differential case in the rotation axis direction.
COMPUTATION DEVICE FOR ARTICULATED VEHICLE, CONTROL DEVICE FOR ARTICULATED VEHICLE, COMPUTATION METHOD FOR ARTICULATED VEHICLE, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
A computation device of an articulated vehicle is configured to execute curvature variable acquisition processing, trailer length variable acquisition processing, and virtual steering angle calculation processing. The curvature variable acquisition processing is processing of acquiring a value of a curvature variable. The curvature variable is a variable indicating a curvature of a path of travel of the trailer. The trailer length variable acquisition processing is processing of acquiring a value of a trailer length variable. The trailer length variable is a variable indicating a length of the trailer. The virtual steering angle calculation processing is processing of calculating a virtual steering angle using the value of the curvature variable and the value of the trailer length variable as inputs. The virtual steering angle is an angle indicating a displacement direction of a linking point between the trailer and the tractor.
A rolling bearing 10 has an inner ring 11, an outer ring 12, a plurality of balls 13, and a resin cage 14 that holds the plurality of balls 13. The cage 14 has an annular part 21 and a plurality of prongs 22 extending from the annular part 21 in a first axial direction. The annular part 21 has a groove part 26 provided between two of the prongs 22 adjacent to each other in the circumferential direction, and a space surrounded by the two prongs 22 adjacent to each other in the circumferential direction and the groove part 26 is a pocket 15 for storing the ball 13. The annular part 21 has an inner peripheral part 41 on the inner side in the radial direction to which the prongs 22 are connected, and an outer peripheral part 42 having a side surface 43 facing in the first axial direction on the outer side in the radial direction of the prongs 22. The outer peripheral part 42 is provided with recessed parts 44 opened on the side surface 43.
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 control device 23 controls an assist motor 21 of a bicycle 10. The control device 23 has: an acquisition unit 231 that acquires information pertaining to the yaw angular acceleration of the bicycle 10; a setting unit 232 that uses a turning parameter which is based on the information acquired by the acquisition unit 231 and which affects centrifugal force, so as to set an assist ratio; and a motor control unit 233 that uses the assist ratio to control the assist motor 21. The setting unit 232 decreases the assist ratio when the turning parameter has increased.
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer terminals; Gateway routers; Computer servers; Computer screens; Computer monitors; Computer keyboards; Computer mice; USB hubs; KVM switches; Computer hardware and computer peripherals for use in connection with industrial automation
A composite valve apparatus (15) comprises a sleeve (81) that has a first accommodation part (81c) that opens toward the bottom face (24a) of an attachment hole of a body, and that is accommodated in the attachment hole. A first valve device (15a) and a flow path member (301) are accommodated in the first accommodation part. The flow path member (301) has: a second accommodation part (311) that opens toward the bottom face (24a); and a shaft-like part (305) that includes a press-fitting portion (305a) that is press-fitted into the first accommodation part. A second valve device (15b) has a valve body (88) that is accommodated in the second accommodation part. The press-fitting portion is provided in a region between a first position and a second position defined between the first valve device and the bottom face. The first position is closer to the first valve device than a position farthest from the bottom face, in a section where the valve body and the inner circumferential face of the second accommodation part come into contact with each other in a valve closed state of the valve body. The second position is a position of a screw part farthest from the first valve device.
This determination apparatus determines the quality of a product of interest on the basis of a trained model. The determination apparatus comprises a storage unit, an image processing unit, and a determination unit. The storage unit stores and holds a trained model that is generated by training with respect to a first microscope image, and a second microscope image that shows the product of interest. The image processing unit processes the second microscope image to generate a third microscope image that is adapted to the area of the first microscope image, and processes the third microscope image to generate a fourth microscope image that is adapted to the number of pixels of the first microscope image. The determination unit determines the quality of the product of interest using the trained model on the basis of the fourth microscope image.
A steering device (100) according to a first aspect of the present invention is for steering a vehicle and has: a steering shaft body (110) to which a steering member (210) is attached; a movable member (130) that rotatably holds the steering shaft body (110); and at least a pair of rail mechanisms (140) that guide the movement of the movable member (130) in the front-rear direction of the vehicle. In a cross section orthogonal to the guide direction of the pair of rail mechanisms (140), the rail mechanisms (140) are disposed obliquely with respect to the sides of a rectangle (300), which is a virtual rectangle (300) in which the movable member (130) is inscribed and one side of which is parallel to a horizontal plane, in a state in which at least parts of the mechanisms (140) are included in a pair of corners of the rectangle (300) in which the movable member (130) is not included.
A steering control device (1) controls the behavior of a steering device (2) through control of driving of a motor (13) of the steering device. The steering control device (1) includes a control unit (50) that controls the driving of the motor (13). The control unit (50) includes: a control mode determination process for determining a control mode from among a plurality of control modes for achieving the behavior of the steering device (2); a motor control amount calculation process for calculating a motor control amount for controlling the driving of the motor (13); a stabilization constant determination process for determining a stabilization constant from among a plurality of stabilization constants having different characteristics; and a stabilization compensation amount calculation process for calculating a stabilization compensation amount for compensating for the motor control amount. The stabilization constant determination process includes a process for determining the stabilization constant associated with the control mode determined by the control mode determination process.
A motor device includes: a motor; and a plurality of connectors provided at an end of the motor and extending in the opposite direction from the motor. Each of the connectors includes a peripheral wall and a locking portion provided on the peripheral wall and configured to keep the connector mated with a mating component. The locking portion is disposed such that, when viewed from the opposite side from the motor, the locking portion faces a direction perpendicular to a straight line passing through the center of the motor, and such that, when viewed from a direction along the straight line, the locking portion does not overlap the peripheral walls of any of the connectors including the connector to which the locking portion itself belongs.
A method for producing a garnet-type oxide solid electrolyte includes: obtaining an intermediate by pressure molding of Li7La3Zr2O12 powder having a median diameter (D50) of 0.02 to 0.2 μm; and obtaining a first garnet-type oxide solid electrolyte by heating the intermediate at 950 to 1050° C. for 2 to 7 hours and then cooling the intermediate to room temperature for 4 hours or more.
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
According to the present invention, a steering mechanism is configured to convert the rotational power of a motor into power for turning turning wheels. This steering control device is configured to execute oscillation processing and modification processing. The oscillation processing is processing for causing the torque of the motor to oscillate in the event of an abnormality that increases the force required for steering. The modification processing is processing for modifying an oscillation component resulting from the oscillation processing in accordance with the situation in which the steering mechanism is placed.
A steering control device according to the present invention is configured to perform a sign determination process and a response process. The sign determination process includes a sticking determination process and a slip determination process. The sticking determination process is a process for determining the occurrence of sticking on the basis of the fact that the absolute value of the rotation amount of a steering mechanism is not more than a prescribed value even when the absolute value of the drive torque, which is a torque for driving the steering mechanism, is not less than a prescribed value. The slip determination process is a process for determining the occurrence of slip on the condition that the logical AND of the fact that the absolute value of the drive torque decreases after sticking is determined to have occurred and the fact that the rotation of the steering mechanism when the absolute value decreases matches the drive torque when sticking is determined to have occurred is true.
This steering control device is configured so as to execute determination processing, first temperature acquisition processing, second temperature acquisition processing, and permission processing. The determination processing is processing for determining whether an abnormality has occurred in which the force required for steering increases due to freezing of a steering mechanism. The first temperature acquisition processing is processing for acquiring a first temperature, which is the temperature in the surroundings of the steering mechanism as detected by a first temperature sensor. The second temperature acquisition processing is processing for acquiring a second temperature, which is the temperature in the surroundings of the steering mechanism as detected by a second temperature sensor. The permission processing is processing for determining, on the basis of the first temperature and the second temperature as input variables, whether to permit execution of the determination processing.
A steering mechanism is configured to convert the rotation power of a motor to power for steering a steered wheel. A steering control device according to the present invention is configured to execute a vibration process and an elimination determination process. The vibration process is for causing vibration of the torque of the motor when an abnormality occurs in which the force required for steering increases due to freezing of the steering mechanism. The elimination determination process is for determining that the abnormality has been eliminated on the basis of the rotational displacement of the motor and the temperature around the steering mechanism.
This steering control device is configured to execute a torque acquisition process, steering angle acquisition process, and determination process. In the torque acquisition process, the value of a torque variable is acquired. The torque variable indicates the drive torque, which is the torque for driving a steering mechanism. In the steering angle acquisition process, a steering angle variable is acquired. On the basis of the torque variable and the steering angle variable, which are used as input variables, the determination process determines that a fault leading to an increase in force required for steering increases has occurred, provided that the logical product of the torque gradient being equal to or greater than a predetermined value and the amount of increase in the absolute value of the drive torque exceeding a predetermined amount is true. The torque gradient is the ratio of the amount of increase in the absolute value of the drive torque to the absolute value of the amount of change in the steering angle indicated by the steering angle variable.
A steering system includes: an electric motor for steering angle control; a manual steering angle command value calculation unit that calculates a manual steering angle command value based on an equation of motion including steering torque and a reaction force control gain; an integrated angle command value calculation unit that calculates an integrated angle command value by adding the manual steering angle command value to an automatic steering angle command value for driver assistance; a control unit that performs angle control of the electric motor based on the integrated angle command value; and a reaction force control gain setting unit that sets the reaction force control gain using the steering torque, vehicle information, and road information.
A gear grinding method includes a grinding step for grinding a tooth flank of a gear by setting an axis intersection angle between a rotation axis of a workpiece and a rotation axis of a threaded grinding wheel to a composite axis intersection angle obtained by combining a reference axis intersection angle and a correction axis intersection angle. The reference axis intersection angle is an axis intersection angle determined based on a helix angle on a reference circle of the gear and a helix angle on a reference circle of the threaded grinding wheel. The correction axis intersection angle is an axis intersection angle for forming a grinding streak in a direction inclined at a predetermined angle with respect to a tooth trace direction on the tooth flank of the gear by the threaded grinding wheel.
This grinding device comprises: a grindstone base having a grindstone; a support part that supports a cylindrical workpiece so as to be capable of rotating about an axis of the workpiece; a drive device configured to be capable of moving the grindstone base relative to the workpiece; and a control unit that controls the drive device while rotating the workpiece about the axis, and causes the rotating grindstone to approach the workpiece in a cutting direction intersecting the axis, thereby grinding the outer peripheral surface of the workpiece. The control unit continuously reduces the speed at which the grindstone cuts into the workpiece as the cutting of the grindstone into the workpiece progresses, and reduces the amount of reduction in the cutting speed as the cutting progresses.
B24B 5/18 - Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfacesAccessories therefor involving centreless means for supporting, guiding, floating or rotating work
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; programmable logic controller; computer programs; control panels; control panel for machine tools; power distribution or control machines and apparatus; telecommunication machines and apparatus; electronic machines, apparatus and their parts; measuring or testing machines and instruments
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.
86.
INFORMATION PROVISION SYSTEM, INFORMATION PROVISION METHOD, AND STORAGE MEDIUM
An information provision system includes a processor. The processor acquires distances between a first user among a plurality of users and all other users among the plurality of users. When the first user satisfies a determination condition determined in advance, the processor provides information determined in advance to the first user and a second user group that is some or all of users located at the distances less than a threshold distance determined in advance among the all other users at the same time, and the processor does not provide the information to a third user group that is some or all of users located at the distances equal to or greater than the threshold distance among the all other users.
Provided is a decrease factor display system (1) comprising: a user input data acquisition unit (201) that acquires user input data (UD); a user input-side factor estimation unit (204) that estimates a user input-side factor (UF) on the basis of the user input data (UD); a numerical value data acquisition unit (202) that acquires numerical value data (ND); a first analysis parameter calculation unit (205) that calculates a first analysis parameter (AP1) on the basis of the numerical value data (ND); a second analysis parameter acquisition unit (206) that acquires a second analysis parameter (AP2); a first numerical value factor estimation unit (207) that estimates a first numerical value factor (NF1) on the basis of the first analysis parameter (AP1) and the second analysis parameter (AP2); an estimated workpiece shape data calculation unit (208) that calculates estimated workpiece shape data (ESD) using a third analysis parameter (AP3) including the first analysis parameter (AP1); and a display unit (212) that displays a common factor (CF) which is common to the user input-side factor (UF) and the first numerical value factor (NF1).
G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
B24B 49/03 - 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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent according to the final size of the previously ground workpiece
88.
MOLD FOR COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING COMPOSITE MATERIAL
A mold for composite material including a metal member and a resin member joined to the metal member includes: a mold body including an internal space including a first space into which the metal member is inserted and a second space that is a cavity in which the resin member is molded; a first temperature sensor; and a second temperature sensor. A surface of the metal member exposed to the second space when the metal member is inserted into the first space is a joint surface. A plane coinciding with the position of the surface when the metal member is not inserted into the first space is an imaginary plane. The first temperature sensor faces the first space in a projection range of the imaginary plane in a direction normal to the imaginary plane. The second temperature sensor faces the second space in the projection range of the imaginary plane.
B29C 45/78 - Measuring, controlling or regulating of temperature
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
89.
FRICTION COEFFICIENT ESTIMATION DEVICE AND FRICTION COEFFICIENT ESTIMATION METHOD
A friction coefficient estimation device for a vehicle includes at least one of a processor or a circuit configured to: acquire environment information of the vehicle; identify tire characteristic of the vehicle based on a detection result of at least one of a vehicle motion sensor or a tire sensor; identify road surface characteristic around the vehicle based on the environment information; store a tire model that outputs a friction coefficient between a road surface and a tire according to a combination of the road surface characteristic and the tire characteristic; and estimate the friction coefficient around the vehicle using the tire characteristic, the road surface characteristic and the tire model.
A steering device (1) comprises: a column housing (4) that is supported with respect to a vehicle body; an inner tube (5) that is provided so as to be movable in an axial direction with respect to the column housing (4); a drive part (10) that is supported by the column housing (4) and drives the inner tube (5) in the axial direction; an energy absorption mechanism (8) which is unitized, is provided between the inner tube (5) and the drive part (10), and is configured so as to absorb an impact force imparted to the inner tube (5) as a result of a first fixation section (25) being fixed to the inner tube (5) and a second fixation section (27) being fixed to the drive part (10); and a support part (80) that supports, on the column housing (4), a bracket (17) of the unitized energy absorption mechanism (8).
B62D 1/19 - Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
A steering device (1) comprises: a fixed bracket (2) that is fixed to a vehicular body; a column jacket (3) that is oscillatably supported by the fixed bracket (2); a steering shaft (7) that is housed inside the column jacket (3); and an oscillation mechanism (10) that oscillates the steering shaft (7). The oscillation mechanism (10) has a linking member (11) that couples the fixed bracket (2) and the column jacket (3) as a result of a first joint part (13) being connected to the fixed bracket (2) and a second joint part (14) being connected to the column jacket (3) by a fastening member (15). A bush (30) is disposed on the link member (11). The bush (30) has: a body (31) that is fitted into a fitting hole part (18) formed in the linking member (11); and a head (33) that is exposed from the fitting hole part (18) and is brought into contact with the fixed bracket (2).
B62D 1/189 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment the entire steering column being tiltable as a unit
B62D 1/181 - Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory
A solenoid valve device (15a), which is attached to a body (11) made of a metal material, comprises: an excitation portion (61) having a coil winding (64); a fixed iron core (83); a movable iron core (84); a valve body (85); a cylindrical sleeve (81) that accommodates the fixed iron core, the movable iron core, and the valve body arranged in the axial direction; and a housing (51) made of a resin material, the housing having an opening portion (51d) and surrounding the excitation portion in a portion other than the opening portion. The solenoid valve device is attached to the body in a state in which the opening portion and an end surface of the body face each other. The excitation portion is separated from the body in the axial direction in a state in which the solenoid valve device is attached to the body. A spacer (201) made of a metal material that enables thermal contact between the excitation portion and the body is disposed between the excitation portion and the body in the axial direction.
This motor control device comprises: a first control unit that calculates a first torque command value by performing, on a target steering angle, control for bringing an actual steering angle or an estimated actual steering angle value closer to the target steering angle; an inertia correction unit that calculates a second torque command value by performing, on the first torque command value, processing for causing an apparent second inertia seen by the first control unit to be a target apparent inertia greater than an actual second inertia; and a second control unit that controls an electric motor on the basis of the second torque command value.
This driving force transmission device 11 comprises a clutch 20 and a ball cam mechanism 3 that presses the clutch 20. The ball cam mechanism 3 includes: a fixed cam plate 31 and a rotary cam plate 32 that are rotated relative to each other by an electric motor 4; a plurality of cam balls 33; and a retainer 34 that retains the plurality of cam balls 33. The retainer 34 has: a plurality of holding parts 341 in which holding holes 340 that respectively accommodate the plurality of cam balls 33 are formed; and a plurality of arc parts 342 between the plurality of holding parts 341. Outside concave parts 342a recessed from an end part on the outer diameter side of the retainer 34 toward the inner diameter side are formed in the arc parts 342, and the outside concave parts 342a are in communication with rolling grooves 310, 320 of the fixed cam plate 31 and the rotary cam plate 32.
A boot cover (60) according to the present invention is attached to a cylindrical boot (27) having a flexible part (52) that can expand and contract in the axial direction, so as to cover an outer periphery of the cylindrical boot. The boot cover (60) includes a first tubular part (61) which has an open end (60a) and through which the boot (27) is inserted, a second tubular part (62) that is fixed near an end portion of the boot (27) in an axial direction (X2) of the boot cover (60) and that has a smaller diameter than the first tubular part (61), and a tubular linking part (63) that is disposed between the first tubular part (61) and the second tubular part (62) in the axial direction (X2) of the boot cover (60), and that links the first tubular part (61) and the second tubular part (62). The open end (60a) overlaps with the flexible part (52) of the boot (27) in the axial direction (X2) of the boot cover (60).
A vehicular control device usable for a vehicle that executes autonomous traveling control is provided. The vehicular control device acquires performance information on performance of the vehicle, determines a range of request value estimated to guarantee specified accuracy, determines a braking/driving force required for traveling planned by the autonomous traveling control, and determines a high controllability device and a low controllability device from among a driving device and a brake device. The vehicular control device determines allocation of the required braking/driving force to the driving device and the brake device, such that: the braking/driving force allocated to the low controllability device is a fixed value within the range of request value. The vehicular control device controls the driving force and the braking force so that the driving force generated from the driving device and the braking force generated from the brake device match the allocated values.
A vehicular control device usable for a vehicle controls a driving force generated from a driving device and a braking force generated from a brake device. Without using a driving response delay time nor a braking response delay time, the vehicular control device determines a reference output schedule of a driving force request and a braking force request for deceleration following a deceleration plan of autonomous traveling control. The vehicular control device provides the driving device with a request for the driving force following the reference output schedule in timing earlier than the reference output schedule by an amount corresponding to the driving response delay time and provides the brake device with a request for the braking force following the reference output schedule in timing earlier than the reference output schedule by an amount corresponding to the braking response delay time.
A power transmission resin gear includes an annular resin part having, on an outer peripheral surface thereof, teeth of a gear. The annular resin part includes an annular inner resin member that covers an outer periphery of a core metal and an annular outer resin member that covers an outer periphery of the annular inner resin member. The annular inner resin member has a plurality of axially downgauged portions arranged at intervals in a circumferential direction. The annular outer resin member has filling portions respectively filling the axially downgauged portions and an axial surface covering portion that is located radially inward of a tooth side of the teeth and covers the filling portions.
F16H 55/06 - Use of materialsUse of treatments of toothed members or worms to affect their intrinsic material properties
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 45/16 - Making multilayered or multicoloured articles
B29K 705/00 - Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
B29L 15/00 - Gear wheels or similar articles with grooves or projections, e.g. control knobs
A steer-by-wire steering system including: an operation member to be operated by a driver; a reaction force applying device configured to apply an operation reaction force to the operation member; a steering device including a steering motor that is an electric motor as a drive source and configured to steer a wheel; and a controller configured to control the reaction force applying device and the steering device, wherein the controller determines the operation reaction force including a steering-current-dependent component which is a component based on a current supplied to the steering motor and a steering-speed-dependent correction component to reduce the steering-current-dependent component based on a steering speed; and wherein the controller determines the steering-speed-dependent correction component such that when the steering speed exceeds a set speed, the steering-speed-dependent correction component is not larger than a value at the set speed.
A ball bearing 10 comprises an inner race 11, an outer race 12, a plurality of balls 13, and an annular wave-shaped cage 14 that holds the plurality of balls 13. The wave-shaped cage 14 has: two wave-shaped discs 31, 32 which are annular and which each have flat parts and accommodation parts alternatingly in the bearing circumferential direction; and a rivet 33 which is for joining two flat parts 42, 52 that overlap in the bearing axial direction. The flat parts 42, 52 have rivet holes 43, 53 through which the rivet 33 passes. When the diameter of a virtual circle Q that passes through the center position P in the bearing radial direction of the flat parts 42, 52 is represented as A and the diameter of a pitch circle Z of the rivet holes 43, 53 is represented as B, the expression A>B is satisfied.
F16C 33/42 - Ball cages made from wire or sheet-metal strips
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
