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Method, apparatus, signals, and medium for managing power in a hybrid vehicle

  • US 20110112711A1
  • Filed: 10/19/2010
  • Published: 05/12/2011
  • Est. Priority Date: 09/01/2006
  • Status: Active Grant
First Claim
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1. A method for managing power in a hybrid vehicle, the vehicle comprising an engine, an electric motor, and an energy storage element coupled to the motor, the method comprising:

  • receiving a request to supply operating power to drive the vehicle;

    responding to said request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs, such that said selected apportionment is associated with a minimum operating cost, said operating cost comprising at least an engine fuel consumption cost and a storage element lifetime cost; and

    causing power to be supplied by at least one of the engine and the motor in accordance with said selected apportionment.

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