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Control device for a hybrid electric vehicle

  • US 20070219045A1
  • Filed: 03/19/2007
  • Published: 09/20/2007
  • Est. Priority Date: 03/17/2006
  • Status: Abandoned Application
First Claim
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1. A control device for a hybrid electric vehicle equipped with an engine output system that makes an engine generate a driving force and outputs the driving force of the engine and a motor output system that makes an electric motor generate a driving force and outputs the driving force of the electric motor, the vehicle being capable of transmitting the driving forces outputted from the respective systems to driving wheels, the control device comprising:

  • an automatic transmission that has a plurality of forward gears and transmits to the driving wheels the driving force of the engine which is outputted from the engine output system;

    a failure detection means for detecting a failure of the motor output system; and

    a control means that sets a gear of the automatic transmission for start-up of the vehicle to a first gear when the failure is not detected by the failure detection means, and on the other hand, sets the gear of the automatic transmission for start-up of the vehicle to a second gear that is lower than the first gear when the failure is detected by the failure detection means.

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