Abstract: A motor control device includes: an assist torque instruction value generation unit that generates an assist torque instruction value using steering torque; a manual steering instruction value generation unit that generates a manual steering instruction value using the steering torque and the assist torque instruction value; an integrated angle instruction value computation unit that computes an integrated angle instruction value by adding the manual steering instruction value to an automatic steering instruction value for driving assist; and a switching unit that switches between a first control mode, in which the electric motor is controlled based on the assist torque instruction value or the manual steering instruction value, and a second control mode, in which the electric motor is controlled based on the integrated angle instruction value, according to the steering torque when in a driving assist mode.

Abstract: A steering computer for a vehicle includes: at least one printed circuit positioned inside a computer casing, the computer casing including on an external surface at least one joining contact, at least one connection box provided with at least one connector, the at least one connector being connected to at least one joining contact, characterized in that the at least one connection box is fixed to the computer casing by means of at least one fixing element, said at least one fixing element being at least partially embedded in a resin.

Abstract: A method for estimating the absolute angular position of a steering wheel equipping a power-steering device, referred to as “relative steering wheel position”, of the shaft of a power-steering motor is assessed, a first estimation (Angle1) of the absolute angular position of the steering wheel is assessed from at least one first model using the speed difference between the left and right rear wheels, a first dynamic offset equal to the difference between the first estimation (Angle1) of the absolute angular position of the steering wheel and the relative steering wheel position is estimated, and the absolute angular position of the steering wheel is calculated by adding to the relative steering wheel position a total compensation offset determined from the first dynamic offset, also when restarting the vehicle, a switching-off offset corresponds to the value of the total compensation offset at the time when the vehicle was previously switched off.

Abstract: A steering control method includes detecting a current state of a vehicle, setting a target state of the vehicle, setting a basic steering command value based on a difference between the current state and the target state, calculating a first steering command value and a second steering command value by distributing the basic steering command value between the first steering command value and the second steering command value in a prescribed ratio, driving a first steering motor of a steering mechanism based on the first steering command value, and driving a second steering motor of the steering mechanism based on the second steering command value.

Abstract: A control device calculates a voltage command value for an inverter by executing feedback control that causes a current value of a three-phase motor to follow a current command value for the motor. The control device includes a compensation calculator that calculates, using a rotation angle of the motor, a correction voltage added to the voltage command value to compensate for torque ripple of the motor. The correction voltage is a sine wave that is in antiphase with the torque ripple, and is obtained by adding together a real part, a cosine wave component, and an imaginary part, a sine wave component that have the same frequency. The compensation calculator is configured to calculate amplitudes of the cosine wave component and the sine wave component from the current command value and a rotation speed of the motor.

Abstract: Information is provided by a voice taking users into account. An information providing system provides information using a voice. A position direction acquisition unit acquires position information indicating a position of a user, and sight direction information indicating a sight direction that is a direction that a face of the user faces. A storage unit stores, in advance, object position information indicating respective positions of a plurality of objects that may be viewed by the user, and explanation information for explaining each of the objects. An estimation unit estimates the object being viewed by the user based on the position information and the sight direction information of the user, and the object position information. An information output unit outputs the explanation information of the estimated object using the voice.

Abstract: A method for checking compliance of a mechanical part of a vehicle, including an image capture step for producing a study image of the mechanical part, and a step of analyzing the study image by an analysis unit, the analysis step including a results phase transmitting a results signal indicating whether the mechanical part is compliant or non-compliant.

Abstract: A control device for a vehicle includes a plurality of control circuits configured to control a control object in cooperation or in combination by starting with powering-on of a vehicle as a trigger. Each of the plurality of control circuits is configured to perform a synchronization process and power latch control. Each of the plurality of control circuits is configured to maintain the operation mode immediately before the vehicle has been powered off in a period in which the power latch control is being performed. Each of the plurality of control circuits is configured not to perform the synchronization process in a predetermined period when the vehicle has been powered on.

Abstract: A method for controlling an assist motor of a power steering system, power steering system including the assist motor configured to apply a motor torque on a rack, and at least one steering computer, method being designed to servo-control a position of the rack to a position setpoint, method including: a maneuvering step in which the assist motor exerts a motor torque on the rack according to a motor torque setpoint; wherein the method also includes: servo-control step in which the steering computer determines a speed setpoint of the rack according to the position setpoint and to the position of the rack; limitation step in which the steering computer issues a limited speed setpoint which is lower than or equal to a maximum speed threshold; control step in which the steering computer determines the motor torque setpoint according to the limited speed setpoint and to a speed of the rack.

Abstract: A method for controlling a steering system of a motor vehicle, including two channels arranged in parallel and each including an electric drive delivering an assistive force for assisting in the steering of the vehicle, so as to obtain a sum of the two delivered assistive forces that corresponds to a total requested assistive force requirement, this method being noteworthy in that a first channel delivers a first portion of the total assistive force requirement, and in that the second channel delivers a variable complementary assistive force portion, corresponding to the difference between the estimated or measured first force portion that is actually delivered and the total force requirement.

Abstract: An electric power source device includes an auxiliary electric power source for a main electric power source that supplies electric power to electric power supply targets, including an electric circuit of a control system for controlling a specific control target and an electric circuit of a power system that requires larger electric power than the electric circuit of the control system; and a selection circuit configured to supply the electric power from one electric power source having a higher voltage, out of the main electric power source and the auxiliary electric power source, to at least the electric circuit of the control system among the electric power supply targets.

Abstract: A vehicle steering system includes a rack shaft, a pinion shaft, a housing including a rack shaft receiving portion and a pinion shaft receiving portion, and a cover member disposed above the pinion shaft receiving portion. A part of the pinion shaft projects upward from an upper end opening of the pinion shaft receiving portion. The cover member includes a hood portion and an annular side wall portion. The pinion shaft is inserted through the hood portion. The side wall portion includes a valve portion capable of coming into abutment with an outer circumferential surface of the pinion shaft receiving portion.

Abstract: A management system for an experimental animal is provided. This management system includes an information identifying unit configured to identify experimental information on the experimental animal to be transported to an experiment site, and a stress value calculating unit configured to calculate a stress value indicating stress to be suffered by the experimental animal during transportation based on the experimental information. The experimental information includes at least a part of a transportation distance for the transportation of the experimental animal, a transportation period for the transportation of the experimental animal, the number of the experimental animals to be transported at a time, an age of the experimental animal, and information on pretreatment given to the experimental animal prior to the transportation.

Abstract: Control calculation units of a back system in each actuator operate by a collaborative drive mode in which a torque is output to a motor drive unit by using an information transmitted and received mutually by a communication between the systems in common. Cooperative control calculation units in a reaction force actuator and a turning actuator can operate in cooperation with each other based on the information transmitted and received mutually by a communication between actuators. A communication between adjacent systems and a communication between adjacent actuators are restored, when a focus control calculation unit is restored, after the focus control calculation unit is stopped during operation and at least one of the communication between adjacent systems or the communication between adjacent actuators is interrupted.

Abstract: A steer-by-wire steering system for a vehicle, including: an operating member operable by a driver; a steering device including an electric motor and configured to steer a wheel by a force generated by the electric motor; a controller configured to control the steering device, wherein the controller enables the wheel to be steered in accordance with an operation of the operating member while imposing limitation on a supply current to the electric motor, and wherein the limitation imposed on the supply current is made smaller when a running speed of the vehicle is lower than a set speed and a steering motion of the wheel is a motion in a direction to decrease a steering amount than i) when the running speed of the vehicle is not lower than the set speed and ii) when the steering motion of the wheel is a motion in a direction to increase the steering amount.

Abstract: A composite processing machine includes: a holding portion capable of holding a workpiece; a removal processing portion that performs removal processing on the workpiece held by the holding portion, the removal processing portion being capable of performing removal processing of a hard material; an additive manufacturing portion that applies the hard material to a surface of the workpiece held by the holding portion by melting the hard material while supplying the hard material to the surface; and a control unit that controls the composite processing machine. The control unit is configured to: control the additive manufacturing portion to form an additive portion made of the hard material on the surface of the workpiece held by the holding portion; and control the removal processing portion to perform the removal processing on the additive portion formed on the workpiece held by the holding portion.

Abstract: A grease composition includes a base oil and a thickener. The thickener contains a urea compound and a styrene-based polymer. A content of the styrene-based polymer is 2% by mass or more and 30% by mass or less as to a total amount of the urea compound and the styrene-based polymer. In the thickener, an average value of diameter of particles with a diameter of 0.2 ?m or more is 0.2 ?m or more and 1.0 ?m or less.

Abstract: A vehicle control system controls a steer-by-wire type vehicle. The vehicle control system executes: reaction force control that applies a steering reaction force to a steering wheel; and driving assist control that assists driving of the vehicle. The reaction force control includes road information transmission control that applies a steering reaction force component corresponding to an oscillation caused by road surface unevenness to the steering wheel. The vehicle control system deactivates the road information transmission control when a deactivation condition is satisfied. The deactivation condition is that the driving assist control is in operation and a steering parameter reflecting a driver's steering intention is less than a threshold. As another example, the deactivation condition is that the driving assist control that vibrates the steering wheel for notifying the driver of a possibility of a lane departure is in operation.

Abstract: A fuel cell system includes a fuel cell, an electric power recovery device, and a control device that controls the fuel cell and the electric power recovery device. In a state where supplying of the liquid fuel to the fuel cell is stopped, the control device charges post-stop electric power generated by the fuel cell using the liquid fuel that has been already supplied, thereby recovering the post-stop electric power into the electric power recovery device, and thereafter stopping an electrode reaction in an electrode structure of the fuel cell.

Abstract: A steering control device is configured to control a steering device as a controlled object, the steering device having a structure in which transmission of power between a steering portion and a turning portion is cut off. The steering control device includes a central processing unit. The central processing unit is configured to execute a reduction process in a case where at least either one of a travel state amount and a steering state amount is a state amount indicating that a target turning-corresponding angle does not change. The reduction process is a process of reducing a driving current to be supplied to a turning motor.