Method for improving the controlling action of an ABS

Details Method for improving the controlling action of an ABS Method for improving the controlling action of an ABS

2005-08-09

2005-08-09

Schwartz, Chris (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Pressure reapply control

C303S194000

Reexamination Certificate

active

06926373

ABSTRACT:
To improve the control behavior of a brake system with anti-lock control (ABS) on the occurrence of road irregularities, a brief braking pressure reduction phase with a major braking pressure reduction on a wheel, followed by a high re-acceleration of the wheel, is interpreted as a road irregularity if the quotient of the duration of the braking pressure reduction and of the total duration of the pressure reduction phase multiplied by the re-acceleration of the wheel or the maximum value of the re-acceleration or if the acceleration variation or the maximum value of the acceleration variation exceeds predetermined limit values, and a braking pressure rise that is increased compared to the standard ABS control is caused as a result of detection of the road irregularity.

REFERENCES:
patent: 6041277 (2000-03-01), Batistic et al.
patent: 3610186 (1987-10-01), None
patent: 0341866 (1989-11-01), None
patent: 0441122 (1991-08-01), None

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