Patent ID: 8177006
Filing Date: 2012-05-15
Classification: B60K,B60L,B60W,F02N,Y02T

Abstract:
1. A method for controlling a plug-in hybrid vehicle having an engine, the method carried out by a control system, comprising: during a first engine stopped condition, performing a first start of the engine in response to a battery state of charge, where the engine is started during a first state of charge; during a second engine stopped condition, performing a second start of the engine in response an operating parameter, where the engine is started during a second state of charge, the second state of charge higher than the first state of charge; delaying the performing of the second start until a selected event occurs; and performing a first stop of the engine in response to the battery state of charge, where the engine is stopped during a third state of charge higher than the first and second states of charge.