Patent ID: 9682697
Date: 2017-06-20
CPC Classifications: B60K,B60W,Y02T,Y10S

Claim:
1. A control system for a hybrid vehicle in which a prime mover for generating a driving force to propel the vehicle includes an engine and at least two motors, that is configured to select an operating mode of the vehicle in accordance with a required driving force from: a first operating mode in which the vehicle is powered by the engine, a second operating mode in which the vehicle is powered by at least two motors, and a third operating mode in which the vehicle is powered by a smaller number of motors than that under the second operating mode, wherein the control system is configured to invalidate selection of the second operating mode and to remain in either the first operating mode or the third operating mode thereby avoiding operating mode shifting across two modes, one of the two modes being an interim mode, if a change rate of the required driving force is greater than a predetermined value.