Toyota Jidosha Kabushiki Kaisha

Jtekt Corporation

Denso Corporation

Masataka Okuda

Yosuke Yamashita

Masaharu Yamashita

Toshiyuki Mikida

Kanade Kuriyama

Fumihiko Sato

Hiroaki Hanzawa

Kaoru Yoshida

Masatoshi Kakutani

Toshiki Shinohara

Yuji Fujita

Hideki Ohashi

Yuuta Kajisawa

Kenichi Abe

Kenichi Ishii

Hiroto Miura

Shoji Kubota

Atsushi Sato

Nobuyori Nakajima

Hiroki Tomizawa

Toshimitsu Sakai

Shintaro Takayama

Toyoki Sugiyama

Atsushi Satou

Takeshi Iwana

Kosuke Watanabe

Hiroki Maki

Fumihiko Satou

Shingo Suzuki

Shunsuke Hiromasa

Hidefumi Kamikawa

An information processing device for constructing a traffic digital twin synchronized with a real space in a virtual space based on data received from a plurality of devices, the information processing apparatus comprising: an acquisition unit that acquires information on service provision from an application; a setting unit that sets an update cycle for updating the traffic digital twin based on the information acquired by the acquisition unit; and a communication unit that receives data from the plurality of devices according to the update cycle set by the setting unit.

Information processing device and system

A system includes a vehicle and a control device. The vehicle includes a reception unit for receiving an instruction related to remote control from the control device, a vehicle control unit for executing any one of first vehicle control and second vehicle control, the first vehicle control being control based on the instruction related to the remote control, and the second vehicle control being control determined by the vehicle itself in accordance with a traveling environment, and a transmission unit for notifying a predetermined control result to the control device when the second vehicle control is executed by the vehicle control unit. The control device includes a remote control unit, a transmission unit, and a reception unit. When the control result is notified from the vehicle, the remote control unit of the control device executes the remote control based on a content of the control result.

System, control device, and control method for remote control of the vehicle

An information processing device that performs communication via a network includes: a storage unit that stores a receiving unit that receives data acquired by a device; the data; and past data received by the receiving unit before the data; a calculating unit that calculates a delay time in the network; a determination unit that determines, based on the calculated delay time, one or more past data used for prediction of future data that is not received by the receiving unit from the past data stored in the storage unit; and a predicting unit that predicts the future data using the determined past data.

Information processing device, information processing method, and storage medium

A system includes: a server; and a moving body wherein, the server is configured to communicate with the moving body, predict occurrence of a loss of communication with the moving body, and send information necessary to execute a first process to the moving body when the loss of communication with the moving body is predicted to occur; and the moving body is configured to receive the information from the server, and execute the first process based on the received information.

System, server, and moving body

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.

Electric power source device

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.

Steering system

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.

Steering control system

A steer-by-wire steering system, including: a two-system reaction force applying device including two reaction force controllers and configured to obtain operation information and apply an operation reaction force; a two-system steering device including two steering controllers and configured to steer a wheel; an operation information obtaining device; an auxiliary steering device capable of changing a direction of a vehicle; two dedicated communication lines one of which information-transmittably and information-receivably connects one of the two reaction force controllers and one of the two steering controllers to each other, and the other of which information-transmittably and information-receivably connects the other of the two reaction force controllers and the other of the two steering controllers to each other; and a first communication bus to which the operation information obtaining device is at least information-transmittably connected and to which the two steering controllers and the auxiliary steering device are at least information-receivably connected.

A power supply circuit includes a first P-channel MOSFET and a first voltage application circuit. The first P-channel MOSFET is provided between an on-board power supply and a vehicular apparatus that is a power supply target, and is configured to switch a power-ON state in which electric power is supplied to the vehicular apparatus and a power-OFF state in which the supply of the electric power is interrupted. The first voltage application circuit is configured to apply a voltage having a potential lower than a potential of the on-board power supply to a gate terminal such that a state of the first P-channel MOSFET is switched to the power-ON state, and apply a voltage having a potential equal to the potential of the on-board power supply to the gate terminal such that the state of the first P-channel MOSFET is switched to the power-OFF state.

Power supply circuit and power supply apparatus

An auxiliary power source device includes a main power source-side path, an auxiliary power source-side path, a power source control circuit, an analog determination circuit that is provided separately from the power source control circuit, and a power source switching circuit. The power source control circuit controls switching between a conduction state and an interruption state on the main power source-side path and the auxiliary power source-side path. The analog determination circuit determines an occurrence of abnormality in the main power source and generates a switching signal when the occurrence of the abnormality in the main power source is determined. The power source switching circuit switches a power source for supplying power to a power supply target, from the main power source to the auxiliary power source.

Auxiliary power source device

An auxiliary power supply device includes: a plurality of channels of auxiliary power supplies; a charging circuit; and an auxiliary power supply switching circuit disposed between the charging circuit and positive electrode terminals of the plurality of channels of auxiliary power supplies and configured to switch one channel of auxiliary power supply connected to the charging circuit among the plurality of channels of auxiliary power supplies and to simultaneously switch one channel of auxiliary power supply connected to a power supply destination so as not to match the channel of auxiliary power supply connected to the charging circuit.

Auxiliary power supply device and power supply system

An engine control device applied to a vehicle equipped with an actuator for changing a suspension property of the vehicle, a suspension control device for driving the actuator, and an engine. The engine control device automatically stops the engine operation when a stop condition is satisfied and automatically starts the engine operation when a start condition is satisfied, continues the engine operation when a signal for inhibiting the automatic stop of the engine operation is sent to the engine control device in order to drive the actuator and the engine control device judges that no malfunction occurs in the suspension control device even if the stop condition is satisfied, and ignores the signal and automatically stops the engine operation when the stop condition is satisfied and judges that the malfunction occurs in the suspension control device even if the signal is sent to the engine control device.

Engine control device

The engine control device is applied to a vehicle equipped with a suspension control device for driving stepping motors for changing damping forces of shock absorbers. The suspension control device performs an initializing process for resolving the step-out of the stepping motors by driving the stepping motors when an initialization performing condition is satisfied. The engine control device continues the engine operation when a signal for inhibiting the automatic stop of the operation of the engine is sent to the engine control device and the engine control device judges that no malfunction occurs in the suspension control device even if the engine stop condition is satisfied. The engine control device automatically stops the operation of the engine when the engine stop condition is satisfied and the engine control device judges that a malfunction occurs in the suspension control device even if the signal is sent to the engine control device.

Growing community of inventors

Toyota, Japan

Masataka Okuda