Abstract: A motor control device controls a motor including winding groups of two systems. The motor control device includes a board and sensors provided on the board and configured to generate electric signals based on rotation of the motor. The board includes a first area and a second area defined across a boundary line. The first area and the second area include power circuit areas, control circuit areas, signal paths through which the electric signals are transmitted to the control circuit areas, and power paths through which electric power supplied from a power supply is transmitted to the power circuit areas, respectively. The signal paths are provided not to cross the power paths and the power circuit areas when viewed in an axial direction of the motor, respectively.

Abstract: An assisting device 10 includes a first harness 11 that is fit on at least shoulders BS of a user, a second harness 12 that is fit on each of right and left legs BL of the user, a third harness 40 that is fit on a waist BW of the user, a belt body 13 that is provided along a back of the user, spanning the first harness 11 and the second harness 12, an actuator 14 that is provided in the first harness 11 and that enables a portion of the belt body 13 to be taken up and fed out, and a back frame 44 that connects the first harness 11 and the third harness 40 at the middle of the back of the user, and maintains a spacing therebetween. An outer side face 44c of the back frame 44 that faces away from the user includes a first sliding contact face 48 over which the belt body 13 slides in contact therewith.

Abstract: An assist device includes a first body-worn unit, second body-worn units, an actuator, a detection part, a controller configured to obtain an assist parameter for causing the actuator to generate a desired assist force, and perform control for causing the actuator to operate at an output corresponding to the assist parameter. When the user performs a forward leaning action, the controller obtains the assist parameter for providing the user with the assist force in a direction of bringing the user to an upright standing posture based on the tilt angle and a time-based change in the tilt angle. The controller is configured to further perform an assistance moderation process to reduce the assist force when the time-based change in the tilt angle increases.

Abstract: A combination vehicle includes a tractor including a steered wheel and a trailer towed by the tractor A control device for the combination vehicle includes an estimation unit. The estimation unit estimates a length of the trailer based on a mathematical expression obtained by solving, for the length of the trailer, simultaneous equations including an equation of motion for a hitch angle velocity that is a time rate of change in a hitch angle and an equation of motion for a virtual steering angle velocity that is a time rate of change in a virtual steering angle of the trailer. The mathematical expression includes the virtual steering angle velocity as a parameter.

Abstract: A steering control device is configured to perform a torque feedback process, an operation process, and a characteristic change process. The torque feedback process includes a process of calculating a manipulated variable for controlling steering torque to target steering torque by feedback control. The steering torque is torque input to an operation member. The operation process is a process of operating a drive circuit for a motor based on the manipulated variable. The characteristic change process is a process of changing a response characteristic of the feedback control according to a magnitude of torque of the motor.

Abstract: A grease includes abase oil and a thickener. The base oil is poly-?-olefin. The thickener is a soap. A viscous transition stress at 25° C. is 300 Pa or more, and a viscous transition stress at 100° C. is 40 Pa or less. A shear viscosity at 25° C. and at a shear rate of 0.1 s?1 is 1.6×106 mPa·s or more, and a shear viscosity at 100° C. and at a shear rate of 10 s?1 is 1.1×104 mPa·s or less.

Abstract: A steering control device is configured to execute torque feedback processing, operation processing, and characteristics changing processing. The torque feedback processing includes processing of calculating a manipulated variable for controlling a steering torque to a target steering torque by feedback control, the operation processing is processing of operating a drive circuit of a motor based on the manipulated variable, and the characteristics changing processing is processing of changing response characteristics of the feedback control in accordance with an operation state of an operating member.

Abstract: In a tripod type constant velocity universal joint, a groove-orthogonal sectional shape of a ceiling surface of a raceway groove of an outer ring is a line shape passing through a central highest point, a positive rotation edge highest point, and a negative rotation edge highest point. The central highest point is a point when a roller pitches by a predetermined pitching angle. The positive rotation edge highest point is a point when the roller rolls in a positive direction by a predetermined rolling angle. The negative rotation edge highest point is a point when the roller rolls in a negative direction by a predetermined rolling angle.

Abstract: A steering shaft is rotatably provided inside an outer column and an inner column. A key lock collar is mounted on an outer peripheral surface of the steering shaft, the outer peripheral surface facing the outer column. The key lock collar includes a key lock collar body and a cylindrical portion. Multiple concave parts and convex parts extending in the axial direction are provided on an outer peripheral part of the key lock collar body along the circumferential direction. A lock key is engaged with the concave parts from adjacent to the outer column, and thus the rotation of the steering shaft with respect to the outer column is restricted. An outer diameter of the cylindrical portion is smaller than an outer diameter of the convex parts and larger than an outer diameter of the concave parts.

Abstract: A magnetic yoke assembly includes a pair of yoke cores, an annular collar, and a tubular holder that holds the pair of yoke cores and the collar. The holder includes a gear portion that includes a plurality of external teeth protruding radially outward from the holder. The collar is disposed at the inner periphery of the gear portion. The axial range in which the collar is present in the holder overlaps the axial range in which the gear portion is provided in the holder.

Abstract: A steering control device includes: a target rotation angle calculation circuit that calculates a target rotation angle of a shaft; an offset angle calculation circuit that calculates an offset angle relative to the target rotation angle; a final target rotation angle calculation circuit that calculates a final target rotation angle of the shaft; and a feedback control circuit that executes feedback control that adapts a real angle to the final target rotation angle. The offset angle calculation circuit calculates an estimated rotation angle deviation based on a value of a current of a turning motor immediately before a specific event occurs, and calculates the offset angle by subtracting the real angle and the estimated rotation angle deviation from the target rotation angle.

Abstract: A groove-orthogonal sectional shape of a ceiling surface of a raceway groove of an outer ring of a tripod type constant velocity universal joint is a line shape including at least part of a target contour line located away from a central axis of the outer ring in a contour line obtained by projecting a roller end face in an axial direction of the outer ring when a roller pitches by a predetermined angle.

Abstract: A steering control device includes an electronic control unit configured to calculate a target reaction torque that is a target value of a steering reaction force that is a force against steering input to a steering unit and to control operation of a steering-side motor provided in the steering unit such that a motor torque corresponding to the target reaction torque is generated. The electronic control unit is configured to calculate an angle axial force, as an axial component based on an axial force acting on a turning shaft that operates to turn turning wheels, the angle axial force being an axial force in which road-surface information is not reflected, and the angle axial force being determined according to an angle convertible to a turning angle of the turning wheels. The electronic control unit is configured to perform a guard process such that the angle axial force is not excessive.

Abstract: A steering device that holds a steering member in such a manner that the steering member is movable between an advanced position where a driver can steer the steering member and a retracted position located closer to the front of a vehicle. The steering device includes: a fixed member attached to a vehicle body; a movable member to which a steering shaft holding the steering member is rotatably attached; and an upper guide mechanism and a lower guide mechanism that linearly guide the movable member with respect to the fixed member. An end on the advancing side of the upper guide mechanism is located further toward the advancing side than an end on the advancing side of the lower guide mechanism in an advancing and retracting direction of the movable member.

Abstract: A roller bearing assembly including an tapered inner cup defining an inner raceway, an tapered outer cup defining an outer raceway, the outer raceway having a convex profile, the convex profile being defined by an intersection of the outer raceway and a central plane in which a longitudinal center axis of the roller bearing assembly lies, and a plurality of straight rollers disposed between the tapered inner cup and the tapered outer cup so that each straight roller is in rolling contact with the inner raceway and the outer raceway, each straight roller having a first end face, a second end face and a cylindrical body extending therebetween.

Abstract: A pressure reduction valve includes a body including a gas passage, a valve seat provided in the gas passage, and a valve member provided on a downstream side of the valve seat in the gas passage. The gas passage includes a primary-side passage section located on an upstream side of the valve member, and a secondary-side passage section located on a downstream side of the valve member. The primary-side passage section includes a pressure chamber, which is a space formed between the valve member and the valve seat. The valve member includes a valve member passage that connects the pressure chamber to the secondary-side passage section, and an auxiliary passage configured to assist gas that flows into the pressure chamber through a clearance between the valve member and the valve seat to flow out to the secondary-side passage section.

Abstract: A thrust bearing assembly comprises a cage including an annular portion. A first flange extends axially from an inner peripheral edge of the annular portion, and a second flange extends axially from an outer peripheral edge of the annular portion. A first plurality of roller pockets are defined by the annular portion, the first roller pockets of the first plurality of roller pockets being spaced evenly about the annular portion. A second plurality of roller pockets are defined by the annular portion, the second roller pockets of the second plurality of roller pockets being evenly spaced about the annular portion so that each second roller pocket is disposed between adjacent first roller pockets.

Abstract: A steering control device includes a controller configured to control driving of a motor that generates a torque. The torque is a torque applied to a steering mechanism of a vehicle using electric power from at least any one of an in-vehicle main power source and an auxiliary power source that backs up the main power source. The controller is configured to wait for the auxiliary power source to be charged to an extent that the main power source is able to be backed up and to permit the vehicle to travel when the controller is activated with an activation operation for the vehicle as a trigger and transitions to a state where control of the motor is executable.

Abstract: A steering control device is configured to control a steering device. The steering device includes a turning shaft and a turning motor. The turning shaft is configured to turn a turning wheel of a vehicle. Dynamic power transmission between the turning shaft and a steering wheel is separated. The steering control device includes a processing device. The processing device is configured to control drive of the turning motor depending on a steering state of the steering wheel. The processing device is configured to execute a lock process based on a command from an exterior, in a state where the steering device is equipped in the vehicle. The lock process is a process of driving the turning motor such that the position of the turning shaft is kept at a particular position.