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VEHICLE AND CONTROL METHOD THEREOF

  • US 20100070123A1
  • Filed: 04/22/2008
  • Published: 03/18/2010
  • Est. Priority Date: 04/24/2007
  • Status: Active Grant
First Claim
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1. A vehicle, comprising:

  • an internal combustion engine;

    an electric power generating unit that generates electric power with at least part of power from the internal combustion engine;

    a motor that inputs and outputs power from and to an axle;

    an accumulator unit that inputs and outputs electric power from and to the electric power generating unit and the motor;

    a temperature detector that detects the temperature of the accumulator unit;

    a driving force demand setting module that sets a driving force demand for driving the vehicle; and

    a control module that drives the internal combustion engine and controls the internal combustion engine, the electric power generating unit and the motor to ensure output of a driving force equivalent to the set driving force demand and charge and discharge of the accumulator unit for warming up the accumulator unit upon a satisfaction of a specific condition that the detected temperature of the accumulator unit is lower than a first preset reference temperature, the specific condition being one of conditions for prohibiting the intermittent operation of the internal combustion engine,the control module performing the intermittent operation of the internal combustion engine and controlling the internal combustion engine, the electric power generating unit and the motor to ensure output of the driving force equivalent to the set driving force demand on condition that the detected temperature of the accumulator unit is higher than or equal to the first preset reference temperature and the conditions for prohibiting the intermittent operation other than the specific condition are not satisfied,the control module continuing the operation of the internal combustion engine and controlling the internal combustion engine, the electric power generating unit and the motor to ensure output of the driving force equivalent to the set driving force demand and charge and discharge of the accumulator unit for warming up the accumulator unit on condition that the detected temperature of the accumulator unit is higher than or equal to the first preset reference temperature and the conditions for prohibiting the intermittent operation other than the specific condition are satisfied.

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