Toyota Jidosha Kabushiki Kaisha

Hiroshi Onuma

Akira Nagae

Tsutomu Hattori

Yuki Yamada

A vehicle movement state determination device includes: a yaw rate determination unit configured to determine a yaw rate based on at least one of a detection yaw rate detected by a yaw rate sensor and a calculation yaw rate calculated by a yaw rate calculation unit; and a yaw rate reliability determination unit configured to determine whether a reliability of the detection yaw rate is low. The yaw rate determination unit determines the detection yaw rate as the yaw rate at the time the yaw rate reliability determination unit does not determine that the reliability of the detection yaw rate is low, and determines the yaw rate based on the calculation yaw rate at the time the yaw rate reliability determination unit determines that the reliability of the detection yaw rate is low.

Vehicle movement state determination device and vehicle movement control device

A brake control device includes: a liquid pressure line provided for each vehicle wheel and supplied with a brake liquid pressure; a pressurization unit configured to supply a pressurization brake liquid pressure to the liquid pressure line; an abnormality detection unit configured to detect an abnormality of the liquid pressure line at a time the brake liquid pressure of the liquid pressure line is not greater than a threshold value; and a pressurization adjustment unit configured to continuously supply the pressurization brake liquid pressure to the liquid pressure line of the normal vehicle wheel having a low abnormality occurrence risk and suppress the supply pressure of the pressurization brake liquid pressure to the liquid pressure line of the vehicle wheel having a high abnormality occurrence risk until the abnormality of the liquid pressure line is detected by the abnormality detection unit.

Brake control device

A brake control device includes: a brake force generator of each wheel configured to generate a brake force according to a brake fluid pressure supplied from a fluid pressure channel; a pressurizer configured to pressurize a brake fluid and send the pressurized brake fluid to the fluid pressure channel; and a brake controller configured to reduce a pressurizing amount of the brake fluid pressure supplied to the fluid pressure channel or reduce the pressurizing amount to 0 before the collision of the own vehicle in a state where the possibility of collision of the own vehicle has been detected or after the collision, when the pressurizer has pressurized the brake fluid by the detection of the possibility of the collision and the pressurized brake fluid pressure has been supplied to the fluid pressure channel.

A driving support apparatus which performs driving support regarding a traffic signal includes: a communication device which acquires time-series traffic signal information regarding the lighting state of the traffic signal; a time calculating unit which calculates the time remaining until the lighting state changes on the basis of the traffic signal information; and an output device which notifies a driver of lighting time information regarding the time remaining. When the time remaining is equal to or smaller than a threshold value, the output device does not perform notification of the lighting time information so that it can be difficult for the driver to predict the timing at which a red lighting state of the traffic signal will change. Accordingly, it becomes possible to suppress unsafe action by the driver based on the traffic signal information notification received.

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Susono, Japan

Hiroshi Onuma