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RANGE MAXIMIZATION OF A HYBRID VEHICLE OPERATING IN AN ELECTRIC VEHICLE OPERATING STATE

  • US 20080125928A1
  • Filed: 11/15/2007
  • Published: 05/29/2008
  • Est. Priority Date: 11/28/2006
  • Status: Active Grant
First Claim
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1. A method for maximizing range capability of a vehicle while operating in an electric vehicle operating state, said vehicle including a powertrain including an engine and at least one electric machine, the method comprising:

  • determining an incipient electric vehicle operating state of the powertrain;

    setting a preferred charge/discharge rate of an electric energy storage device to a maximum charging rate; and

    controlling the powertrain to an operating state including an engine state that is ON to effect charging the electrical energy storage device based on the maximum charging rate.

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