Driven wheel slip controlling system for vehicle

Details Driven wheel slip controlling system for vehicle Driven wheel slip controlling system for vehicle

1996-04-24

2000-02-08

Cuchlinski, Jr., William A.

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 2816

Patent

active

060236507

ABSTRACT:
A traction control system for a vehicle, which, during normal driving of the vehicle, if a driven wheel speed becomes less than a deceleration-control starting reference value which is set lower than a vehicle speed, a feed-back control of an opening degree of a throttle valve is started so as to converge the driven wheel speed into a target driven wheel speed. If a downshifting is conducted, the feed-back control of the throttle valve opening degree is feed-back controlled by using, in place of the driven wheel speed, a pseudo driven wheel speed calculated based on the number of revolutions of an engine and a gear position. With this arrangement, it is possible to open the throttle valve at an earlier stage to increase a driven wheel torque, and to avoid a deceleration slip at the time of downshifting at a high speed.

REFERENCES:
patent: 5415600 (1995-05-01), Mochizuki et al.
European Search Report, Application No. EP 96106459, Mar. 27, 1998.

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