Energy management system for automotive vehicle

  • US 20030025481A1
  • Filed: 10/29/2001
  • Published: 02/06/2003
  • Est. Priority Date: 11/03/1997
  • Status: Active Grant
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First Claim
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1. A method of charging a battery in a vehicle having an internal combustion engine configured to drive an alternator electrically coupled to the battery and adapted to charge the battery with a charge signal applied to the battery, the method comprising:

  • coupling to the battery through a four point Kelvin connection;

    measuring a dynamic parameter of the battery using the Kelvin connection, the dynamic parameter measurement a function of a time varying signal;

    determining a condition of the battery as a function of the measured dynamic parameter; and

    controlling the charge signal in response to the determined condition of the battery.

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