Traction control system for vehicle

Details Traction control system for vehicle Traction control system for vehicle

1991-06-21

1994-03-29

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

180197, 192 123, B60K 4120

Patent

active

052976629

ABSTRACT:
A traction control system for a vehicle has a sub-throttle valve provided in an intake passage of the engine in series to a main throttle valve which is operatively connected to an accelerator pedal to open and close in response to operation of the accelerator pedal. An engine output controller controls opening of the sub-throttle valve to control the output of the engine so that the slip value of the driving wheels converges on a target slip value. The engine output controller once moves the sub-throttle valve to an initial opening when the slip value of the driving wheels exceeds the target slip value and then controls the opening of the sub-throttle valve to control the output of the engine so that the slip value of the driving wheels converges on a target slip value. The initial opening is set to be a fixed value when the opening of the main throttle valve is not larger than a predetermined opening and to be substantially equal to the opening of the main throttle valve when the opening of the main throttle valve is larger than the predetermined opening. The fixed value is not smaller than the predetermined opening of the main throttle valve.

REFERENCES:
patent: 4969102 (1990-11-01), Tamura et al.
patent: 5124922 (1992-06-01), Akiyama

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