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Vehicle energy storage system control methods and method for determining battery cycle life projection for heavy duty hybrid vehicle applications

  • US 7,078,877 B2
  • Filed: 08/18/2003
  • Issued: 07/18/2006
  • Est. Priority Date: 08/18/2003
  • Status: Active Grant
First Claim
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1. A method for resetting a state of charge (SOC) calculation for a designated energy storage bank of an energy storage system of a vehicle, the method comprising:

  • during operation of the vehicle, completely discharging and completely charging the designated energy storage bank;

    maintaining the designated energy storage bank at a predetermined high terminal voltage for a specified period of time; and

    following said specified period of time, defining a calculated, reset SOC for the designated energy storage bank to be a known SOC capacity.

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