Anti-lock control method and apparatus

Details Anti-lock control method and apparatus Anti-lock control method and apparatus

1992-11-13

1994-04-19

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303110, 36442602, B60T 862

Patent

active

053039882

ABSTRACT:
An anti-lock control arrangement for preventing locking of vehicle wheels by increasing, holding constant and decreasing brake hydraulic pressure through a plurality of control channels on the basis of system speeds Vs, an estimated vehicle speed Vv, a target speed VT and accelerations and decelerations dVs/dt of the vehicle wheels. With respect to one of the control channels, the target speed VT is modified when there is a speed difference .DELTA.V between corresponding one of said system speeds Vs and the highest wheel speed VwH at the time of start of braking. The modified target speed is defined by a speed lowered by the speed difference .DELTA.V than said target speed VT.

REFERENCES:
patent: 3964796 (1976-06-01), Bremer
patent: 4321676 (1982-03-01), Ohmori et al.
patent: 4787682 (1988-11-01), Muto
patent: 4984164 (1991-01-01), Maehara et al.
patent: 5016178 (1991-05-01), Kuwana et al.
patent: 5019984 (1991-05-01), Masaki et al.
patent: 5033799 (1991-07-01), Braschel

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