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System and method for controlling a vehicle having an electric heater

  • US 9,260,103 B2
  • Filed: 03/12/2013
  • Issued: 02/16/2016
  • Est. Priority Date: 10/19/2012
  • Status: Active Grant
First Claim
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1. A method for controlling a hybrid vehicle having an engine and an electric heater, comprising:

  • estimating an actual energy consumption, using a controller, of the electric heater in response to receipt of a heat request, the actual energy consumption being based on an actual power consumption of the electric heater over a predetermined period of time, wherein the actual power consumption is based on a measured total vehicle power consumption adjusted by subtracting power consumed by all vehicle components using electrical power other than the electric heater;

    comparing the actual energy consumption of the electric heater with a corresponding threshold using the controller; and

    starting the engine, using the controller, when the actual energy consumption is below the corresponding threshold.

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