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Right-left driving force controller

  • US 8,241,163 B2
  • Filed: 07/14/2009
  • Issued: 08/14/2012
  • Est. Priority Date: 08/01/2008
  • Status: Active Grant
First Claim
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1. A controller, configured to control right and left driving forces, the controller comprising:

  • an adjustor, configured to adjust distribution of driving force between right and left wheels of a vehicle;

    a limiter, configured to limit a difference between operations of the right and left wheels by adjusting differential limit force to be exerted on the right and left wheels;

    a first calculator, configured to calculate a first control amount corresponding to a control amount of the adjustor and including an amount related to direction of shift of driving force between the right and left wheels from a driving state of the vehicle;

    a second calculator, configured to calculate a second control amount corresponding to a control amount of the limiter from the driving state of the vehicle;

    a third calculator, configured to detect the direction of shift of driving force between the right and left wheels in a case that the limiter is performed, and configured to calculate a third control amount including the second control amount and the amount of the direction of shift of driving force;

    a fourth calculator, configured to calculate a combined control amount that is a combination of the first control amount and the third control amount;

    a selector, configured to select either the adjustor and the limiter according to a predetermined condition; and

    a control unit, configured to control the adjustor or the limiter selected by the selector in accordance with the combined control amount.

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