Anti-skid control system for motor vehicles

Details Anti-skid control system for motor vehicles Anti-skid control system for motor vehicles

1986-12-29

1988-09-27

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303109, 188181C, B60T 810

Patent

active

047737140

ABSTRACT:
An anti-skid control system for motor vehicles is provided wherein a computed wheel speed Vv is set up on the basis of the highest one of the wheel speeds of the motor vehicle; a first reference speed VT1 and a second reference speed VT2 are set up which are lower than and follow the computed vehicle speed Vv either with a first and second predetermined speed difference respectively or with a first and a second predetermined ratio respectively, the first reference speed VT1 being higher than the second reference speed VT2 (VT1>VT2); in the case where the wheel speed continues decreasing with a deceleration lower than a predetermined threshold level of deceleration, reduction of brake pressure is started at a point of time when a predetermined time period T1 elapsed from a point of time when the wheel speed reached the level of the second reference speed VT2; and the reduction of the brake pressure is stopped at a point of time when the wheel speed was increased up to the level of the first reference speed VT1 as a result of the reduction of the brake pressure.

REFERENCES:
patent: 3690735 (1972-09-01), Arai et al.
patent: 3705748 (1972-12-01), Ochiai
patent: 3768873 (1973-10-01), Hirzel
patent: 4693522 (1987-09-01), Wupper et al.

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