Skid control system

Details Skid control system Skid control system

1974-03-25

1976-03-16

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Inertia control

303 20, B60T 808

Patent

active

039442896

ABSTRACT:
An anti-skid control system for vehicle brakes which is much simpler and of lower cost than prior art systems and yet provides substantially the same anti-skid brake control. The system includes a frequency-voltage converter to produce a voltage signal indicative of wheel speed which is utilized as an input to a deceleration rate detector and an acceleration differentiator connected in parallel. The acceleration differentiator provides control signals to the deceleration rate detector to set threshold values therefor. When both the deceleration rate detector and the acceleration differentiator produce output signals of proper type to an AND gate, the system deactivates the normal braking system for the vehicle to avoid a potential skid condition. The system includes an override for applying brakes when an acceleration exceeds a predetermined threshold value.

REFERENCES:
patent: 3494671 (1970-02-01), Slavin et al.
patent: 3584921 (1971-06-01), Crawford
patent: 3606490 (1971-09-01), Ando
patent: 3622977 (1971-11-01), Wakamatsu et al.
patent: 3647267 (1972-03-01), Scharlack
patent: 3652133 (1972-03-01), Yamazaki et al.
patent: 3709567 (1973-01-01), Van Ostrom et al.
patent: 3710186 (1973-01-01), Sharp
patent: 3717384 (1973-02-01), Harned
patent: 3822921 (1974-07-01), Jones

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