Abstract: A steering control device includes a control circuit configured to control driving of a reaction force motor that generates steering reaction force applied to a steering wheel in which power transmission with turning wheels of a vehicle is separated. When a vehicle power source is turned on, the control circuit requests a vehicle control device to stop traveling of the vehicle when information is exchanged with the vehicle control device in a manner that does not follow a predetermined pattern.

Abstract: A steering control device includes a controller including a drive circuit that performs action for supplying, to a motor, electric power supplied by being connected to at least one of a first and a second power supply. When a connection state of the drive circuit is a state in which electric power is supplied from the first power supply, the connection state is switched by a power supply device to transition to a second state in which electric power is supplied from the second power supply when an abnormality of the first power supply is detected. Moreover, the controller starts an output limiting process of limiting torque outputtable by the motor as compared with before the abnormality of the first power supply is detected, after the abnormality is detected and before switching of the connection state is completed.

Abstract: A control device includes control circuits of a plurality of systems. When a transition condition is established, the control circuits of the systems make transition of a driving mode from a first driving mode to a second driving mode, and when a return condition is established in a state in which the driving mode has transitioned to the second driving mode, the control circuits of the systems make transition of the driving mode from the second driving mode to the first driving mode while gradually changing the current command values of the control circuits’ own systems toward the current command values before the adjustment.

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 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 control device for a vehicle includes a plurality of control circuits configured to control a control object by starting in response to powering-on of a vehicle and to perform power latch control for continuing to be supplied with electric power in a predetermined period in response to powering-off of the vehicle. Each of the control circuits is configured to perform starting after all of the control circuits have recognized the powering-on of the vehicle in a case where the vehicle is powered on while the power latch control is being performed after the vehicle has been powered off.

Abstract: A semiconductor device includes: an interconnect substrate including a plurality of interconnect layers; a first semiconductor chip disposed over the interconnect substrate; a second semiconductor chip disposed over the first semiconductor chip in a shifted manner and including a plurality of metal bumps on a surface of the second semiconductor chip facing the interconnect substrate; and a plurality of columnar electrodes connecting the interconnect structure to the metal bumps.

Abstract: A steer-by-wire steering system, including a steering device including a dual-system steering motor including a main system and a sub system, wherein a power supply to the main system is conducted selectively by a main power source and a backup power source, and a power supply to the sub system is conducted by only the main power source, wherein, in a normal power-supply situation in which the power supply to the main system and to the sub system is conducted by the main power source, a controller controls the sub system to operate in accordance with the main system, and wherein, in a backup power-supply situation in which the power supply to the main system is conducted by the backup power source, the controller controls the main system not to operate or to operate while limiting the power supply to the main system and controls the sub system independently.

Abstract: A semiconductor device includes a first stacked body including a plurality of first semiconductor chips stacked along a first direction, each of the first semiconductor chips being offset from the other first semiconductor chips along a second direction perpendicular to the first direction; a first columnar electrode connected to an electrode pad of the first stacked body, and extending in the first direction; a second stacked body including a plurality of second semiconductor chips stacked along the first direction, each of the second semiconductor chips being offset from the other second semiconductor chips along the second direction, the second stacked body having a height larger than the first stacked body and overlap at least a portion of the first stacked body when viewed from the top; and a second columnar electrode connected to an electrode pad of the second stacked body, and extending in the first direction.

Abstract: A semiconductor device includes a first stacked body including first semiconductor chips stacked in a first direction and offset relative to each other in a second direction; a first columnar electrode coupled to the first semiconductor chip and extending in the first direction; a second stacked body arranged relative to the first stacked body in the second direction and including second semiconductor chips stacked in the first direction and offset relative to each other in the second direction; a second columnar electrode coupled to the second semiconductor chip and extending in the first direction; and a third semiconductor chip arranged substantially equally spaced to the first columnar electrode and the second columnar electrode.

Abstract: A power supply system includes a system control unit, an auxiliary power supply, and an auxiliary-power-supply control unit. The system control unit and the auxiliary-power-supply control unit are configured such that information of at least one control unit of the system control unit and the auxiliary-power-supply control unit is able to be output to another control unit of the system control unit and the auxiliary-power-supply control unit. The at least one control unit is configured to output information indicating that an operation of the at least one control unit is stopped to the other control unit when the at least one control unit stops the operation of the at least one control unit.

Abstract: According to one embodiment, a semiconductor device includes a support and a stacked body on the support. The stacked body is formed of a plurality of semiconductor chips that are stacked on each other. The stacked body has a lower surface facing the support and an upper surface facing away from the support. A first wire is connected to one of the semiconductor chips in the stack and extends upward from the semiconductor chip to at least the height of the upper surface of the stacked body. A second wire is connected to the support and extends upward from the support to at least the height of the upper surface of the stacked body.

Abstract: A vehicle pedal displacement control structure, which is capable of causing a vehicle pedal to displace so as to turn aside from driver's lower extremities and of reducing load on a steering support member in the event of an external force being applied to the front of the vehicle, is provided. A protrusion and a slide member are provided between the steering support member and a pedal bracket for suspending the vehicle pedal. When the pedal bracket moves backward with a toe board due to the external force from the front of the vehicle, the vehicle pedal and the pedal bracket are guided to turn aside from driver's lower extremities in a width direction of vehicle.

Abstract: An electric motor control device includes a direct current power source; an inverter interposed between an electric motor and the direct current power source, the inverter device controlling an exchange of electric power therebetween; an inverter control unit that generates PWM pulses having a duty ratio corresponding to voltage command signals and sends the PWM pulses to the inverter in order to switch the inverter; a frequency changing unit that changes a carrier frequency of the PWM pulses generated by the inverter control unit in a manner corresponding to a frequency control signal; and a motor control unit.

Abstract: An electric motor control device includes a direct current power source; an inverter interposed between an electric motor and the direct current power source, the inverter device controlling an exchange of electric power therebetween; an inverter control unit that generates PWM pulses having a duty ratio corresponding to voltage command signals and sends the PWM pulses to the inverter in order to switch the inverter; a frequency changing unit that changes a carrier frequency of the PWM pulses generated by the inverter control unit in a manner corresponding to a frequency control signal; and a motor control unit.

Abstract: A drive-control-system of electromotive vehicle and drive-control-method of an electromotive vehicle. A system has a condition-determination-process unit that reads a vibration index as a factor causing vibration in the vehicle-drive-system, and determines whether a damping-control-starting-condition is established based on the vibration index, and a damping-control-process unit that performs a damping control process such that a variable of vibration generation is reduced when the damping-control-starting-condition is established.

Abstract: A vehicle pedal displacement control structure, which is capable of causing a vehicle pedal to displace so as to turn aside from driver's lower extremities and of reducing load on a steering support member in the event of an external force being applied to the front of the vehicle, is provided. A protrusion and a slide member are provided between the steering support member and a pedal bracket for suspending the vehicle pedal. When the pedal bracket moves backward with a toe board due to the external force from the front of the vehicle, the vehicle pedal and the pedal bracket are guided to turn aside from driver's lower extremities in a width direction of vehicle.

Abstract: The invention includes a target-engine-speed acquisition element that acquires a target engine speed necessary to reduce engine speed, thereby stopping the engine at a target stop position; a crank-angle acquisition element that acquires a crank angle indicative of the position of a crankshaft; and a target-engine-speed correction element that corrects the target engine speed according to the acquired crank angle. Because the target engine speed is corrected according to the crank angle, the engine can be stopped at the target stop position even if the friction in the engine, the electric motor, etc. varies, the temperature or viscosity of the lubricating and cooling oils varies, or the vehicle is accelerated or decelerated during the reduction of the engine speed.

Abstract: Large vibrations can be prevented from being generated during engine rotation. A control apparatus for driving a vehicle has an engine stop permission output control processing module which: reads engine rotational speed; determines whether the engine rotational speed takes a value within a predetermined stop disable range; does not output an engine stop permission when the engine rotational speed takes a value within the stop disable range; and outputs an engine stop permission when the engine rotational speed takes a value except the value within the stop disable range, and an engine stop control processing module which stops an engine when the engine stop permission is outputted. In this case, when the engine rotational speed takes the value except the value within the stop disable range, the engine stop permission is outputted to stop the engine.

Abstract: An apparatus and a method to stably run an electrically operated vehicle is disclosed. The invention has an electric generator target torque calculation processor, a first determination processor for calculating an inertia correction determining value, a second determination processor for calculating an integral term correction determining value, a determining mode switching condition judgment processor, and a drive motor target torque calculation processor. When a determining mode switching condition exists, the drive motor target torque calculation processor switches between a first determining mode for calculating drive motor target torque, and a second determining mode for calculating the drive motor target torque. When the determining mode switching condition exists, the first determining mode and the second determining mode are switched so that the drive motor target torque is calculated on the basis of the integral term correction determining value.