Nissan Motor Company Limited

Yukifumi Otsuka

Yoshihisa Kodama

Akira Takano

Akihiro Yamamoto

Morihiro Nagamine

Shintaro Oshio

Takuro Hirano

A hybrid vehicle control device is provided with at least one controller programmed to control outputs of the engine and the electric motor, an engagement and disengagement of the clutch, and a transmission ratio of the continuously variable transmission in accordance with a driving state. The at least one controller is further programmed to restart the engine while maintaining a released state of the clutch, and downshift the continuously variable transmission to a predetermined transmission ratio for passing over the level difference upon determining that the level difference is present while traveling by a drive force of the motor with the clutch released and the engine stopped.

Hybrid vehicle control device with transmission control for a level difference of a road surface

A hybrid vehicle control device is provided with at least one controller that controls the outputs of the engine and of the motor according to the driving state, the engagement and disengagement of the clutch, and the transmission ratio of the continuously variable transmission. The at least one controller is programmed to start the engine and forcibly downshift the continuously variable transmission to a transmission ratio with which it is possible to start on an uphill road upon determining that the vehicle is on an uphill road while in an electric vehicle mode in which it is possible to travel by the drive force of the motor with the clutch released and the engine stopped.

Hybrid vehicle control device

Growing community of inventors

Isehara, Japan

Yukifumi Otsuka