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Regenerative braking system for motor vehicles

  • US 20060055240A1
  • Filed: 09/09/2005
  • Published: 03/16/2006
  • Est. Priority Date: 09/10/2004
  • Status: Active Grant
First Claim
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1. A regenerative braking system for motor vehicles comprising:

  • a generator that is connected with a wheel set, the generator being capable of applying regenerative brake torque to the wheel set by generating electricity;

    a regenerative braking control means that controls a regenerative braking amount of the generator based on at least demand brake force amount;

    an actual wheel speed variation calculating means that calculates an actual wheel speed variation between actual outer wheel speed of an outer wheel of steerable wheels and actual inner wheel speed of at least one wheel of a front wheel set and a rear wheel set;

    a correspondent wheel speed variation calculating means that calculates a correspondent wheel speed variation corresponding to an outer-to-inner wheel speed variation between outer wheel speed and inner wheel speed of the steerable wheels with road grip;

    a steer characteristic judging means that judges that a steer characteristic to become stronger as a numerical value of a correspondent-to-actual wheel speed variation between the correspondent wheel speed variation and the actual wheel speed variation becomes larger; and

    a regenerative braking amount compensating means that compensates the regenerative braking amount so that the regenerative braking amount is more decreased as the steer characteristic becomes stronger.

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