Patent ID: 11938801
Assignee: MAZDA MOTOR CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 13:
14. A method of controlling a vehicle drive device for a hybrid vehicle operating in an engine travel mode in which main wheels of the hybrid vehicle are driven by a permanent magnet motor that receives a voltage from a battery and in a motor travel mode in which an auxiliary of the hybrid vehicle is driven by an induction motor that receives a voltage from the battery and a capacitor that are connected in series, the method comprising:
determining whether the hybrid vehicle is set in the engine travel mode;
on condition that the hybrid vehicle is not set in the engine travel mode, determining whether the hybrid vehicle is traveling at a vehicle speed is equal to or greater than a predetermined speed; and
only on condition that the vehicle speed is equal to or greater than the predetermined speed, driving the auxiliary wheel.