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HYBRID VEHICLE AND METHOD FOR CONTROLLING THE SAME

  • US 20120239237A1
  • Filed: 06/07/2010
  • Published: 09/20/2012
  • Est. Priority Date: 06/07/2010
  • Status: Active Grant
First Claim
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1. A hybrid vehicle comprising:

  • an internal combustion engine;

    a first electric motor configured to have a power transmission path between the first electric motor and an output shaft of said internal combustion engine, for outputting a motoring torque when said internal combustion engine is started;

    a second electric motor configured to have a power transmission path between the second electric motor and the output shaft of said internal combustion engine;

    a vibration reduction torque calculation unit for setting, when said internal combustion engine is started, a periodic vibration reduction torque for suppressing torque pulsation occurring as said internal combustion engine rotates, based on a rotational position of the output shaft of said internal combustion engine; and

    a torque control unit for controlling output torques of said first and second electric motors so that, when said internal combustion engine is started, a partial torque of said vibration reduction torque is output from said first electric motor and a shortage of said vibration reduction torque due to said partial torque is compensated for by the output torque from said second electric motor.

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