ABS and/or ASC control system for motor vehicles

Details ABS and/or ASC control system for motor vehicles ABS and/or ASC control system for motor vehicles

1996-03-20

1997-09-23

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

With yaw control

188181C, 303169, B60T 832, B60K 2816

Patent

active

056696779

ABSTRACT:
The invention provides an ABS and/or ASC control system for motor vehicles, of the type having a sensor arrangement for detecting rotational wheel speeds, an analysis unit for the cornering recognition, and actuators for reducing the brake pressure on at least one wheel which is on the inside during the cornering in the case of a cornering recognition and an operated brake such that an ABS control is initiated on at the most one wheel. Cornering recognition is carried out by calculating an actual value proportional to the rear axle lateral acceleration from the difference of the rotational wheel speeds of the rear wheels and/or an actual value proportional to the front axle lateral acceleration from the difference of the rotational speeds of the front wheels. A reduction of brake pressure on at least on one inside wheel is cancelled if otherwise, because of a braking force increased by the driver on the inside front wheel, the ABS control would be switched on or the deceleration of the inside rear wheel exceeds a given threshold.

REFERENCES:
patent: 4933856 (1990-06-01), Leiber
patent: 5150951 (1992-09-01), Leiber et al.
patent: 5219212 (1993-06-01), Shimada et al.
patent: 5341297 (1994-08-01), Zomotor et al.
patent: 5474368 (1995-12-01), Sano
patent: 5476310 (1995-12-01), Ohtsu et al.
"Bremsanlage und Schlupf-Regelsysteme der neuen 7er-Reihe von DMW," Leffler et al, ATZ Automobiltechnische Zeitschrift 97, Jan. 1995, pp. 8-19.

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