Antilock brake control method

Details Antilock brake control method Antilock brake control method

1994-07-13

1995-12-26

Ballato, Josie A.

Fluid-pressure and analogous brake systems

Speed-controlled

Specific mu determination

303177, B60T 832, B62D 3700, G05D 1600

Patent

active

054781434

ABSTRACT:
A difference .delta..sub.2 -.delta..sub.1 is formed between the steering angle .delta..sub.2 actually measured and the steering angle .delta..sub.1 calculated from the vehicle transverse acceleration, vehicle speed, and a series of constants. This difference (.delta..sub.2 -.delta..sub.1) is used to displace the working point on the .mu.-slip curve in the direction of an increase of the lateral stability, i.e., toward smaller slip values. Response can be improved by making the displacement also dependent on the rate of change of this difference or the rate of change of the actual steering angle. Preferably no reaction is produced when the difference is below a threshold angle unless one of the rates exceeds a respective threshold.

REFERENCES:
patent: 4715662 (1987-12-01), Van Zanten et al.
patent: 4898431 (1990-02-01), Karnopp et al.
patent: 5136509 (1992-08-01), van Zanten et al.
patent: 5211453 (1993-05-01), Van Zanten
patent: 5229944 (1993-07-01), Yasuno
patent: 5255194 (1993-10-01), Schaufelberger et al.
patent: 5303989 (1994-04-01), Yasuno et al.
patent: 5341297 (1994-08-01), Zomotor et al.
Robert Bosch GmbH, "Automotive Handbook" 3rd edition (1993) pp. 342-343, 582-585.
Zomotor, Adam "Fahrwerktechnik: Fahrverhalten" (1987) pp. 41, 43, 44, 100.

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