Abstract: A noise due to contact of a cage of an angular contact ball bearing to an outer ring to be outer ring guided is reduced. The angular contact ball bearing includes an outer ring, an inner ring, a plurality of balls, and a cage. The cage includes a plurality of pockets for accommodating the balls arranged at circumferential intervals and the rotation of the cage is guided by the outer ring or the inner ring, which serves as a guide ring. The pocket is provided at an inner surface thereof with an engaging portion which projects into the pocket. The engaging portion engages with the ball in the pocket when the cage is moved in a radial direction prior to contact of the cage to the guide ring.

Abstract: A driving assistance control device outputs a driving assistance command value to a steering control device as information indicating a target course that is generated on the basis of the detection result of a vehicle-mounted sensor. The driving assistance command value is output as a torque component or an angle component depending on the design of the driving assistance control device. In response, processing in which a driving assistance command value input from the exterior of the steering control device is used as input for angle control processing or input for torque control processing within an assist command value calculation unit is performed by a microcomputer as assistance command value input processing by an assistance command value input processing unit.

Abstract: A steer-by-wire power steering system including a lower-level mechanism that includes a servo motor and a steered wheel, and an upper-level mechanism that includes a steering wheel and an auxiliary motor, the lower-level mechanism being closed-loop controlled, at zero force, by a lower local loop including a feedback branch that measures or estimates an actual downstream force downstream of the servo motor and upstream of the point of contact between the wheel and the ground, so as to make the servo motor transparent, while the upper-level mechanism is closed-loop controlled, at zero torque, by an upper local loop including a feedback branch which measures or estimates an actual driver torque between the auxiliary motor and the steering wheel so as to make the auxiliary motor transparent, the lower and upper local loops being controlled by a single overall controller.

Abstract: An actuator that applies force to a member associated with steering, and a control device that controls the actuator, have duplex configuration. First and second control devices compute the same controlled variable as first and second controlled variables, respectively. In a normal mode, the control device controls the actuator according to the first controlled variable. The first and second control devices send and receive respectively computed controlled variables to and from each other via communications. When a discrepancy arises between the first and second controlled variables, or an abnormality occurs in communications between the first and second control devices, the operating mode is switched from the normal mode to an independent mode. In the independent mode, the first and second control devices control the first and second actuators, according to the first and second controlled variables, respectively.

Abstract: An electric power supply circuit includes an auxiliary electric power supply; a first MOSFET provided on an auxiliary electric power supply-side feed path, the first MOSFET including a parasitic diode configured to restrict conduction of electric current in a direction from the auxiliary electric power supply toward the feed target; a second MOSFET provided on the auxiliary electric power supply-side feed path, the second MOSFET including a parasitic diode configured to restrict conduction of the electric current in a direction from the feed target toward the auxiliary electric power supply; and a third MOSFET provided on at least one of the auxiliary electric power supply-side feed path and the main electric power supply-side feed path, the third MOSFET including a parasitic diode configured to restrict conduction of the electric current in a direction from the main electric power supply toward the auxiliary electric power supply.

Abstract: A control system for a motor includes: a first processing circuit configured to operate a first drive circuit; a second processing circuit configured to operate a second drive circuit; and a command circuit configured to output a signal relating to a command value for a steered angle of a steered wheel to the first processing circuit and the second processing circuit. The command circuit is configured to execute a detection process, a first notification process, and a second notification process. The first processing circuit is configured to execute a first correction process based on a first result signal to control the steered angle to the command value. The second processing circuit is configured to execute a second correction process based on a second result signal to control the steered angle to the command value.

Abstract: A thermoacoustic cooling device includes a tube in which a working fluid is enclosed; a first stack that generates acoustic waves in the working fluid with use of a temperature gradient; a first high-temperature heat exchanger provided at a first side of the first stack to heat the first side of the first stack; a first low-temperature heat exchanger provided at a second side of the first stack; a second stack in which a temperature gradient is generated by the acoustic waves; a second high-temperature heat exchanger provided at a first side of the second stack, which has a high temperature; a second low-temperature heat exchanger provided at a second side of the second stack, which has a low temperature; and a heat transfer portion configured to connect the second low-temperature heat exchanger to the first low-temperature heat exchanger so as to transfer heat therebetween.

Abstract: A power source device includes a switching circuit configured to switch the power supply mode between a first power supply mode, in which power is supplied to a drive circuit for an electric motor by only a main power source, and a second power supply mode, in which power is supplied to the drive circuit utilizing both the main power source and an auxiliary power source. A control device includes: a determination unit that determines whether the operation state of the electric motor is a regeneration state or a power-running state; and a unit configured to limit power to be supplied to the drive circuit when the power supply mode is the second power supply mode and it is determined by the determination unit that the operation state of the electric motor is the regeneration state.

Abstract: A control device controls a reaction force motor that generates a steering reaction force to be applied to a steering mechanism of a vehicle, based on a steering reaction force command value calculated according to a steering state. An axial force distribution calculation circuit of the control device calculates a mixed axial force by summing values obtained by multiplying an ideal axial force and estimated axial forces by individually set distribution rates. The axial force distribution calculation circuit calculates a final axial force to be reflected in the steering reaction force command value, by summing values obtained by multiplying the ideal axial force and the mixed axial force by individually set distribution rates. The axial force distribution calculation circuit sets the distribution rates of the ideal axial force and the mixed axial force, based on a distribution command generated by the host control device when intervening in steering control.

Abstract: A motor device that can secure the detection precision of the rotational angle of a motor is provided. A motor device has a motor housing, a heat sink, a motor cover, a motor, and a substrate. An opening portion of the motor housing is covered by the motor cover which is made of a magnetic body such as iron in a roofed tubular shape. A choke coil is provided on a surface of the substrate on the side opposite to the motor. A magnetic sensor is provided on a surface of the substrate on the side of the motor. A housing portion is provided at a roof portion of the motor cover. The choke coil, which is mounted on the substrate, is surrounded by the housing portion.

Abstract: A driving assistance control device outputs a driving assistance command value to a steering control device as information indicating a target course that is generated on the basis of the detection result of a vehicle-mounted sensor. The driving assistance command value is output as a torque component or an angle component depending on the design of the driving assistance control device. In response, processing in which a driving assistance command value input from the exterior of the steering control device is used as input for angle control processing or input for torque control processing within an assist command value calculation unit is performed by a microcomputer as assistance command value input processing by an assistance command value input processing unit.

Abstract: A sensing polymer structural body includes a structural body, a sensor, and a power generating portion. The structural body is made of a polymer material. The sensor is embedded in the structural body and is deformed together with the structural body by an external force, that the sensor being configured to output a signal in accordance with the deformation. The power generating portion is deformed together with the structural body by the external force, and the power generating portion is configured to generate electric energy based on the deformation. The sensor is provided inside the structural body in a linear direction or in a planar direction. The sensor and the power generating portion are disposed such that the sensor and the power generating portion are deformable based on the deformation of the structural body.

Abstract: A steering control device is configured to control a motor, the motor being a generation source of a driving force that is given to a steering mechanism of a vehicle. The steering control device includes a controller configured to compute a controlled variable depending on a steering state, the controlled variable being used in the control of the motor. The controller is configured to alter a control parameter for the controller, based on a command that is generated by a host control device depending on a purpose of an intervention in a steering control, the host control device being mounted on the vehicle.

Abstract: An installation intended to enable a conformity check of a mechanical part of a vehicle, including at least one magnetizing device, and at least one device for spraying a revealing product, wherein the installation also includes at least one device for generating at least one image by means of at least one image capture apparatus and at least one device for transmitting the at least one image on an analysis unit.

Abstract: A facility management system capable of suppressing an increase in cost and man-hours, and capable of transmitting sensor information on a facility item sensing sensor to an outside from the facility is provided. A facility management system includes: a communication unit provided with a communication processing part capable of communicating sensing signals sensed by sensors over the wireless, and a facility status management apparatus provided with a management communication part capable of communicating with the communication processing part over the wireless. The communication unit includes a communication unit terminal attachable/detachable to/from a first light sensing sensor terminal of light sensing sensor units and attachable/detachable to/from a facility item sensing sensor terminal of a facility item sensing sensor unit.

Abstract: A steering device includes: a steered shaft; a first nut; a second nut; a first motor; a second motor; a first power transmission portion that transmits a first drive force generated by the first motor to the first nut, converts the first drive force into a force in an axial direction, and biases the steered shaft in the axial direction; a second power transmission portion that transmits a second drive force generated by the second motor to the second nut, converts the second drive force into a force in the axial direction, and biases the steered shaft in the axial direction; a signal detection device that detects a first detection signal and a second detection signal with different periods; and a computation device that computes an absolute position of the steered shaft in the axial direction.

Abstract: A personnel assignment support system includes a work time period acquiring section that acquires a plurality of work time periods, an evaluating section that stepwisely evaluates a working ability for each of the workers, based on the work time periods acquired by the work time period acquiring section, an ability database that stores a result evaluated by the evaluating section, as a personal ability data for each of the workers, an assignment processing section that executes an assignment program which is executable while referring to the personal ability data, a first display device that displays the personal ability data, and contents processed by the assignment processing section, to a supervisor of the organization, and an announcement device that announces an assignment information to the workers, the assignment information relating to the personnel assignment of the workers which the supervisor determines, by using the assignment program.

Abstract: An organization capability evaluation system configured to evaluate an organization capability when an organization including a plurality of workers manufactures various products through a plurality of steps, includes a work performance acquisition unit configured to acquire a working time required for work in each of the plurality of steps, an evaluation reference storage unit configured to store a reference working time set for each of the steps, a working capability calculation unit configured to calculate a working capability of each step based on the step-specific work performance and the reference working time, a working capability storage unit configured to store the working capability of each step calculated by the working capability calculation unit, and a step-specific organization capability calculation unit configured to calculate the organization capability for each step based on the step-specific working capability.

Abstract: A steering system installed on a vehicle, including: a steering mechanism including a steering member and configured to enable a wheel to be steered in accordance with a movement of the steering member; an operation assist device configured to apply a torque to a steering shaft for assisting an operation of a steering operation member; a steering assist device configured to assist the movement of the steering member utilizing a working fluid; and a controller configured to control a torque applied to the steering shaft by the operation assist device and control a supply flow rate of the working fluid, wherein the steering assist device assists the movement of the steering member with an assist force that depends on the supply flow rate, and the controller increases the supply flow rate when an operation speed of the steering operation member becomes equal to or higher than a set threshold speed.

Abstract: A machinery management system includes: an optical detection sensor unit including an optical detection sensor that is disposed to face an indicator lamp configured to indicate a machine state and that detects a light from the indicator lamp, and a first optical detection sensor terminal that is connected to the optical detection sensor; a communication unit including a body portion that is disposed on the indicator lamp, a communication unit terminal that is detachably attached to the first optical detection sensor terminal, and a communication processing portion that connects with the optical detection sensor; and a machine state management apparatus including a management communication portion that wirelessly communicates with the communication processing portion, and an information display portion that displays an information of the optical detection signal generated by the optical detection sensor, the information being communicated through the management communication portion.