US Patent 10457269 Vehicle energy management device

A vehicle energy management device has a vehicle information receiver to receive vehicle information including a vehicle speed and a state of charge of a battery, a route information receiver to receive route information to a destination, and a processing circuitry. The processing circuitry is configured to perform: a vehicle information acquisition process of acquiring vehicle information including at least information on a vehicle speed and a state of charge of the battery; a route information acquisition process of acquiring route information to the destination; an optimal plan calculation process of making a target vehicle speed plan for the destination and a driving necessity plan for a motor, an engine, and a generator on the basis of the route information and the vehicle information; and a vehicle control process of controlling the motor, the engine, and the generator on the basis of the driving necessity plan.