Vehicle traction control system

Details Vehicle traction control system Vehicle traction control system

1990-01-19

1991-04-23

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

180197, 36442603, B60K 4120

Patent

active

050092944

ABSTRACT:
A vehicle traction control system includes both driven wheel brake control and engine torque output control for limiting acceleration wheel slip. A boundary condition is identified where engine torque output control alone can be used without braking to regulate the acceleration wheel slip to any desired value. When the traction control system determines that the boundary condition is not exceeded such that engine torque output control alone is capable of preventing an excessive slip condition, only engine torque is controlled to limit wheel slip. However, when the system determines the boundary condition is such that engine torque output control alone will not prevent an excessive slip condition, the brakes of the slipping wheel is then additionally controlled to limit acceleration wheel spin.

REFERENCES:
patent: 4518044 (1985-05-01), Wiegardt et al.
patent: 4733760 (1988-03-01), Inagaki et al.
patent: 4762196 (1988-08-01), Harada et al.
patent: 4765430 (1988-08-01), Schulze et al.
patent: 4766972 (1988-08-01), Takata et al.
patent: 4873639 (1989-10-01), Sato et al.
patent: 4884651 (1989-12-01), Harada et al.
patent: 4946015 (1990-08-01), Browalski et al.

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