Wheel drive torque controller

Details Wheel drive torque controller Wheel drive torque controller

1996-09-12

1999-10-05

Chin, Gary

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

701 84, 180197, B60K 3100

Patent

active

059615656

ABSTRACT:
A drive torque of a vehicle drive wheel is controlled so that a slip ratio between the drive wheel and a road surface is equal to a target value. A determining function of which the sign varies when the slip ratio is equal to the target value, and a switching function comprising a time integral of the determining function, are set, and the drive torque target value is set such that it is directly proportional to the switching function. Alternatively, the drive torque target value is set based on the switching function which is set equal to the determining function and corrected based on an angular acceleration of the drive wheel.

REFERENCES:
patent: 4985836 (1991-01-01), Hashiguchi et al.
patent: 4985838 (1991-01-01), Hashiguchi et al.
patent: 5151861 (1992-09-01), Danno et al.
patent: 5243526 (1993-09-01), Ito et al.
patent: 5245542 (1993-09-01), Ito et al.
patent: 5255192 (1993-10-01), Ito et al.
H. Tan et al., "Vehicle Traction Control: Variable-Structure Control Approach", Journal of Dynamic Systems, Measurement, and Control, vol. 113, Jun. 1991, 223-230.
Y. Chin et al., "Sliding-Mode ABS Wheel-Slip Control", Control Conf. 1/5 1992.

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