Abstract: An assist device includes a first harness, a second harness, a belt body, an actuator and a controller. The controller is configured to perform operation control of the actuator. The controller is configured to, upon operation of the actuator being started in a state in which the first harness and the second harness is fitted to the user, perform winding of the belt body with a first winding force, and is configured to, upon the winding of the belt body being completed, change the winding force of the actuator to a second winding force that is smaller than the first winding force.

Abstract: An assist device includes a first harness, a second harness, a belt body and an actuator. The first harness is configured to be fitted to at least one of a shoulder region and a breast region of a user. The second harness is configured to be fitted to left and right leg regions, respectively, or a waist region, of the user. The belt body provided so as to extend to the first harness and to the second harness along a back side of the user. The actuator is provided in the first harness or the second harness and configured to wind and unwind a part of the belt body.

Abstract: A magnetic particle inspection device includes an image acquisition unit configured to acquire an image obtained by attaching magnetic particles to a magnetized inspection object and capturing the image of the inspection object, and a binarized image obtained by binarizing a whole or a part of the image; a region specifying unit configured to specify a magnetic particle group region based on at least one of the image and the binarized image, the magnetic particle group region containing a magnetic particle group; and a detection unit configured to detect a flaw by processing luminance information and form information with artificial intelligence obtained by supervised learning, the luminance information being obtained by performing statistical processing on luminances of a plurality of minute regions in the specified magnetic particle group region, and the form information being information regarding a form of the magnetic particle group that is obtained from the binarized image.

Abstract: A thrust roller bearing includes a plurality of rollers and a cage. Each cage pocket includes a first side surface, and a second side surface. The roller and the cage are configured to satisfy the following expression (1). (Y1+Y2)/X<tan(3×?/180)??(1) Y1 represents a clearance, before skewing, between a first contact point of the roller at which the roller contacts the first side surface when the roller is skewed toward one side and the first side surface, Y2 represents a clearance, before skewing, between a second contact point of the roller at which the roller contacts the second side surface when the roller is skewed toward the one side and the second side surface, and X represents a difference between the radius of a first imaginary circle passing through the first contact point and the radius of a second imaginary circle passing through the second contact point.

Abstract: A grease composition includes base oil, a thickener, and an inorganic additive. The base oil is a poly-?-olefin having a base oil kinematic viscosity of 15 to 50 mm2/s at 40° C. The thickener is a diurea expressed by Structural Formula (1). The content of the thickener is 10 to 22 mass % with respect to the total amount of the base oil and the thickener. The inorganic additive is a mixture containing sepiolite and bentonite, and is organically modified. The content of the inorganic additive is 2 to 20 mass % with respect to the total amount of the base oil and the thickener.

Abstract: Provided is a steering control unit for improving influence of fluctuations in an estimated electrical angle on steering feel. A steering control unit includes a microcomputer that performs sensorless control of the driving of a motor by using an estimated electrical angle estimated by calculation. The microcomputer calculates the estimated electrical angle from a value that is obtained by selectively accumulating a first additional angle or a second additional angle. The microcomputer adjusts a vibration component of fluctuations in the estimated electrical angle by varying the amount of change in the first additional angle and the second additional angle.

Abstract: A bearing device for a wheel includes: an outer ring including a leg portion protruding radially on an outer periphery; an inner shaft provided on a shaft end; rolling elements; a sealing device which seals an opening portion on the flange side; and a slinger fixed to the inner shaft and extending axially at a radial outer side of the sealing device. The sealing device includes an elastic lip and a cylindrical cover portion in elastic contact with an outer peripheral surface of the outer ring. The slinger is opposed to at least a part of an outer periphery of the cover portion in a radial direction via a clearance.

Abstract: A driving force distribution device includes a first output rotational member and a second output rotational member, an input rotational member, a first multiple disc clutch, a second multiple disc clutch, a pressure receiving member, a first pressing mechanism and a second pressing mechanism. The pressure receiving member includes an annular base portion and a plurality of projecting pieces, the projecting pieces include a plurality of first projecting pieces and a plurality of second projecting pieces. The first projecting pieces each have a first pressure receiving surface, the second projecting pieces each have a second pressure receiving surface.

Abstract: A steering control device includes a control circuit and a drive circuit. The control circuit is configured to perform a current feedback computation by which the actual current value of electric current to be supplied to a motor follows a current command value. The control circuit is configured to execute an end-abutting relaxation control to correct the current command value such that decrease in an end interval angle is restricted, when the end interval angle is equal to or smaller than a predetermined angle, the end interval angle indicating the distance of the absolute steer angle from the end position correspondence angle. The control circuit is configured to adjust a control gain to be used in the current feedback computation, such that the control gain increases, when overshoot of the actual current value occurs during the execution of the end-abutting relaxation control.

Abstract: A surface shape variable sheet includes: a sheet body made of an elastic material having dielectricity; a first-surface side electrode provided on a first surface side of the sheet body; and a second-surface-side electrode provided on a second surface side that is a back surface of the first surface, the second-surface-side electrode being configured such that a voltage is applied between the second-surface-side electrode and the first-surface-side electrode. The first-surface-side electrode includes: a first electrode facing a first part of the second-surface-side electrode via the sheet body, and a second electrode facing a second part of the second-surface-side electrode via the sheet body, the second electrode being electrically independent from the first electrode on the first surface side.

Abstract: A driving device for a vehicle includes: an electric motor including a motor shaft having a hollow tubular shape; an output shaft passed through the motor shaft; a transmission mechanism configured to change the speed of rotation of the motor shaft and transmit a driving force of the electric motor to the output shaft; and a housing in which the electric motor and the transmission mechanism are accommodated. The output shaft is offset inside the motor shaft so that a rotation axis of the output shaft deviates from a rotation axis of the motor shaft in the radial direction of the electric motor.

Abstract: A steering control device includes a control circuit that controls a steering device. The control circuit is configured to execute an end-abutting relaxation control to correct a current command value such that decrease in an end interval angle is restricted, when the end interval angle is equal to or smaller than a predetermined angle, the end interval angle indicating the distance of an absolute steer angle from an end position correspondence angle. The control circuit is configured to perform a slewing intention determination of whether it is intended to perform the slewing travel of a vehicle during the execution of the end-abutting relaxation control. The control circuit is configured to perform a partial release control to reduce a correction amount of the current command value in the execution of the end-abutting relaxation control when it is determined that it is intended to perform the slewing travel of the vehicle.

Abstract: A method for manufacturing a wheel integrated to a support shaft, including: making by overmolding, in a first material, of a wheelrim on the support shaft, the wheelrim having an upper face having a ribbed annular portion in which cells are formed, delimited by reinforcing ribs and having respective bottoms, making by overmolding, in a second material, of a crown on the upper face of the wheelrim, by implementing an injection in at least one injection point positioned opposite the ribbed annular portion, prior to the step of making the crown by overmolding, formation of a material deposit in at least one target cell, selected amongst the cells, so as to form a raised area with respect to bottom thereof, the injection of the second material at the injection point being performed opposite the raised area.

Abstract: A method for a power steering system of a motor vehicle delivering, to the steering, a torque controlled by a computer for compensating for trajectory deviation of the vehicle when this vehicle is braking, which, from a request to activate the method while braking, in a first step, calculates a rough correction torque taking into account the speed of the vehicle, the yaw of this vehicle, and a signal representing the force applied by the steering to the steered wheels.

Abstract: A control apparatus calculates an axial force deviation, which is a difference between an estimated axial force and an ideal axial force based on a target pinion angle of a pinion shaft in association with a turning operation of steered wheels. The estimated axial force is based on a state variable that reflects vehicle behavior or a road condition. The control apparatus includes a steering angle ratio change control circuit configured to calculate a target pinion angle serving as a basis for calculation of the command value. The steering angle ratio change control circuit calculates a speed increasing ratio from a steering angle ratio set based on a vehicle speed and a base gear ratio of a steering mechanism, and calculates a correction angle for a target steering angle by multiplying the speed increasing ratio and the target steering angle together.

Abstract: A controller controls a steering motor in accordance with a pinion angle command value calculated in response to a steering state. The steering motor produces a driving force to a steering operation mechanism. The controller calculates a target pinion angle in accordance with the steering state and the pinion angle command value by performing feedback control such that an actual pinion angle corresponds to the target pinion angle. The controller includes a compensation control circuit which calculates compensation amounts reflected in the pinion angle command value so as to compensate for an inertia component, a viscosity component, and a spring component of the steering operation mechanism in accordance with the target pinion angle. The compensation control circuit adds the compensation amounts to the target pinion angle so as to calculate the final target pinion angle to be used for the calculation of the pinion angle command value.

Abstract: A multi-stage planetary roller power transmission device includes a high-speed power transmission mechanism including a first sun shaft, a first fixed ring, first planetary rollers disposed between the first sun shaft and the first fixed ring with a first negative clearance, first support shafts, and an annular first carrier into which the first support shafts are press-fitted; and a low-speed power transmission mechanism including a second sun shaft, a second fixed ring, second planetary rollers disposed between the second sun shaft and the second fixed ring with a second negative clearance, second support shafts, and an annular second carrier into which the second support shafts are press-fitted. A clearance amount of the first negative clearance and a clearance amount of the second negative clearance are equal to each other, and the number of the first planetary rollers is smaller than the number of the second planetary rollers.

Abstract: A steering device includes a steering rod that includes two ball screw parts, the steering rod being configured to steer a steerable wheel by moving linearly, two ball nuts respectively fastened to the two ball screw parts, two motors each configured to generate a drive force, two transmission mechanisms each including a toothed belt, the two transmission mechanisms being configured to transmit the drive force of each one of the two motors to a corresponding one of the ball nuts, two detectors configured to respectively detect rotation angles of the two motors, and a controller configured to control each of the two motors. The controller is configured to detect tooth jumping of the belts using the rotation angles of the two motors that are detected by the two detectors.

Abstract: A steering control system includes a central processing unit. The central processing unit calculates a plurality of types of axial forces acting on the turning shaft based on a state quantity. The central processing unit calculates a distributed axial force which is used to calculate the command value by summing the plurality of types of axial forces at predetermined distribution proportions. The central processing unit calculates the axial forces to have hysteresis with change of the state quantity. The hysteresis of each axial force is adjusted to approach hysteresis of one specific axial force out of the plurality of types of axial forces.

Abstract: A steering device includes a turning shaft, a steering mechanism, a motor, and a control device. The control device includes a steering-range axial force calculating circuit, a limiting axial force calculating circuit, a final axial force calculating circuit, and an axial force adjusting circuit. The steering-range axial force calculating circuit calculates a steering-range axial force when a steering wheel is operated in a predetermined operation range. The limiting axial force calculating circuit calculates a limiting axial force. The final axial force calculating circuit calculates a final axial force. The axial force adjusting circuit adjusts a value of the steering-range axial force, the limiting axial force, or the final axial force based on the axial force that reflects the force acting on the turning shaft.