Toyota Jidosha Kabushiki Kaisha

Noritaka Takuda

Shingo Eto

The controller is installed in the vehicle along with the motor for driving, the auxiliary equipment, and the battery that supplies power to the motor and the auxiliary equipment. After the vehicle's system starts up, the controller is programmed to (A) calculate the power consumption of the auxiliary equipment using the power output from the battery; (B) estimate the auxiliary equipment electricity cost using the power consumption of the auxiliary equipment, the estimated driving time, and the estimated driving distance; and (C) predict the driving electricity cost for the estimated driving distance using the auxiliary electricity cost and the driving learning electricity cost from the learning results.

Controller

A vehicle includes an engine, a first MG (motor generator), a second MG, a planetary gear mechanism provided among the engine, the first MG and the second MG, a battery, and an ECU. The ECU executes batteryless travel control when the battery is abnormal. The batteryless travel control includes engine F/B control for controlling a rotation speed of the engine to become a target rotation speed, and power balance control for controlling a requested driving force to be output and allowing a power generated by the first MG to become equal to a power discharged by the second MG. When the rotation speed of the engine is higher than a threshold speed higher by a prescribed value than the target rotation speed while the batteryless travel control is in execution, the ECU decreases the requested driving force.

Growing community of inventors

Nisshin, Japan

Noritaka Takuda