Method and device for controlling the braking system in a vehicl

Details Method and device for controlling the braking system in a vehicl Method and device for controlling the braking system in a vehicl

1997-12-11

2000-02-01

Schwartz, Chris

Fluid-pressure and analogous brake systems

Speed-controlled

Front-rear axle apportioning or speed difference

303155, B60T 832

Patent

active

060194421

ABSTRACT:
In a method of controlling a braking system in a vehicle, the action of the brakes is distributed between at least one front and one rear wheel by adjusting at least the braking pressure in the brakes on one of the rear wheels in order to establish a difference between the braking pressure on the front wheel and that on the rear wheel. The difference established between the braking pressure on the front wheel and that on the rear wheel is decreased in the presence of a prescribable condition. The presence of the prescribable condition depends at least on a detected parameter that represents the longitudinal velocity of the vehicle, and the established difference is continuously decreased. The time at which the level of pressure on the rear-wheel brake can be safely equalized to that of the pressure on the front-wheel brake can be reliably determined because the time at which the braking-force distribution that enhances safe driving is no longer necessary is narrowly related to the longitudinal velocity of the vehicle. Furthermore, the continuous equalization of pressure reduces or eliminates the reaction perceived in the brake pedal by the driver and increases driving comfort.

REFERENCES:
patent: 5021957 (1991-06-01), Yoshino et al.
patent: 5540488 (1996-07-01), Tevazawa et al.
patent: 5560690 (1996-10-01), Hattori et al.
patent: 5752211 (1998-05-01), Takasaki et al.
patent: 5842755 (1998-12-01), Sugimoto et al.

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