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

  • US 8,738,203 B2
  • Filed: 10/19/2010
  • Issued: 05/27/2014
  • Est. Priority Date: 09/01/2006
  • Status: Active Grant
First Claim
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1. In a controller in a hybrid vehicle, a method for managing power in the hybrid vehicle, comprising:

  • accessing one or more operating conditions of the hybrid vehicle;

    determining, based at least in part on the one or more operating conditions of the hybrid vehicle, an amount of operating power to be supplied in response to a drive signal generated based on operator input;

    determining, for each of a plurality of apportionments of the operating power between an engine of the hybrid vehicle and a motor-generator of the hybrid vehicle, an overall operating cost value, each overall operating cost value accounting for at least an engine fuel consumption cost and a storage element lifetime cost;

    selecting an apportionment of the operating power from among the plurality of apportionments of the operating power, the selected apportionment being the apportionment with a minimum determined overall operating cost value; and

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

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