Method for anti-skid brake control

Details Method for anti-skid brake control Method for anti-skid brake control

1993-06-30

1994-09-13

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Pipeless valves

303103, B60T 832

Patent

active

053462939

ABSTRACT:
In the method for anti-skid brake control according to the present invention, start-up wheel speed (Vis) rapidly increasing from zero (0), when a vehicle is started is detected by a wheel speed sensor (8). When the start-up wheel speed (Vis) is higher than a first reference speed (Va), which is higher than lower limit speed of anti-skid brake control, and is lower than a second-reference speed (Vb), it is switched over to "select high" control when the start-up wheel speed (Vis) is on front wheel side, and the lower limit wheel speed (V.sub.L) of anti-skid brake control is set to the start-up wheel speed (Vis) when it is on rear wheel side. If the start-up wheel speed (Vis) is higher than the second reference speed (Vb), anti-skid brake control is prohibited for both front and rear wheel sides, and alarm lamp is lighted up. As the result, erroneous control in anti-skid brake control can be perfectly prevented when output characteristics of the sensor of the wheel speed sensor (8) are decreased.

REFERENCES:
patent: 5178440 (1993-01-01), Yagi et al.

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