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PLUG-IN HYBRID ELECTRIC VEHICLE BATTERY STATE OF CHARGE HOLD FUNCTION AND ENERGY MANAGEMENT

  • US 20110166733A1
  • Filed: 01/07/2011
  • Published: 07/07/2011
  • Est. Priority Date: 01/07/2010
  • Status: Active Grant
First Claim
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1. A method of controlling a plugin hybrid electric vehicle including an internal combustion engine, a battery, and an electric machine, the vehicle being operable in a primary electric vehicle driving mode (EV mode) and in a hybrid electric vehicle driving mode (HEV mode), the method comprising:

  • receiving input from the driver representing a desired operating mode and a desired energy reservation;

    if the desired operating mode is HEV mode, then establishing a state of charge (SOC) offset as the smaller of a maximum SOC offset and an allowable SOC offset, otherwise, establishing the SOC offset based on the desired energy reservation; and

    operating the vehicle based on the SOC offset.

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