ABS Reference speed determination

Details ABS Reference speed determination ABS Reference speed determination

1989-08-14

1991-02-05

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

188181C, 303 92, 303 96, 303103, 36442602, B60T 868

Patent

active

049899236

ABSTRACT:
A method for determining an accurate vehicle speed, based upon the wheel speed data, for vehicle antilock systems in which the integrity of each individual wheel speed value is verified before including that wheel speed value in the reference speed calculation. Reference speed is then computed as a function of only those wheel speed values which have been successfully accepted into the calculation.

REFERENCES:
patent: 4484280 (1984-11-01), Brugger et al.
patent: 4720794 (1988-01-01), Skarvada
patent: 4736994 (1988-04-01), Fennel et al.
patent: 4760893 (1988-08-01), Sigl et al.
patent: 4762375 (1988-08-01), Maki et al.
patent: 4787682 (1988-11-01), Muto
patent: 4807941 (1989-02-01), Onogi et al.

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