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METHOD AND SYSTEM FOR MORE EFFICIENT OPERATION OF PLUG-IN ELECTRIC VEHICLES

  • US 20150025730A1
  • Filed: 10/06/2014
  • Published: 01/22/2015
  • Est. Priority Date: 02/03/2010
  • Status: Active Grant
First Claim
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1. A method for operating an automobile having an energy storage unit with a state of charge and an energy conversion unit for powering the automobile, the method comprising:

  • configuring the automobile to operate in a charge depletion mode that decreases the state of charge of the energy storage unit due to energy being provided by the energy storage unit to power the automobile;

    configuring the automobile to operate in a charge sustaining mode that maintains the state of charge of the energy storage unit within a first charging range by powering the automobile using energy from the energy conversion unit; and

    configuring the automobile to operate in an extended charging mode that maintains the state of charge of the energy storage unit within a second charging range which is greater than the first charging range.

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