Method for controlling a clutch in the drive train of a motor ve

Details Method for controlling a clutch in the drive train of a motor ve Method for controlling a clutch in the drive train of a motor ve

1997-04-07

1999-05-04

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

701 69, 180197, G06F 1700, G06F 1900, G06F 700

Patent

active

058999515

ABSTRACT:
A method of controlling a controllable clutch in the drive train between a front axle and a rear axle of a motor vehicle having four-wheel drive including determining the rotational speed of each of the wheels with a wheel-speed sensor, supplying output signals from the sensor to an evaluation unit having a data memory, determining, from the wheel radii stored in the evaluation unit and from the difference between the averaged rotational speeds of the wheels of the front axle and the averaged rotational speeds of the wheels of the rear axle, a theoretical rotational-speed difference for cornering without wheel slip in the clutch, and generating a control signal for operation of the clutch in such a way that a constant basic transmitted torque is set in the clutch.

REFERENCES:
patent: 4711333 (1987-12-01), Okamura
patent: 4866624 (1989-09-01), Nishikawa et al.
patent: 4889204 (1989-12-01), Furuya et al.
patent: 4890686 (1990-01-01), Hamada et al.
patent: 4937750 (1990-06-01), Gilliam
patent: 4989686 (1991-02-01), Miller et al.
patent: 5168955 (1992-12-01), Naito
patent: 5301768 (1994-04-01), Ishikawa et al.
patent: 5459791 (1995-10-01), Jostins et al.
patent: 5570755 (1996-11-01), Fruhwirth et al.
patent: 5701247 (1997-12-01), Sasaki

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