Braking force control device and method thereof

Details Braking force control device and method thereof Braking force control device and method thereof

1995-10-18

1997-09-02

Young, Lee W.

Fluid-pressure and analogous brake systems

Speed-controlled

Odd condition or device detection

303191, B60T 858

Patent

active

056623933

ABSTRACT:
To provide optimal braking force control using braking operation data, an ECU in a brake force control system detects a braking operation according to fluctuation components of wheel rotation. That is, the ECU calculates the wheel acceleration and sets a reference load level for the braking operation according to a road surface coefficient of friction at the wheel tire. When the amplitude of the wheel acceleration increases and exceeds the reference load level, the braking load is determined to be heavy. If the braking load is heavy, the ECU decreases the brake oil pressure of the wheel being detected. In this way, the slip ratio can be controlled around a peak road surface coefficient of friction.

REFERENCES:
patent: 3630578 (1971-12-01), Kaiser
patent: 4333146 (1982-06-01), Sinha et al.
patent: 4965729 (1990-10-01), Hafner
patent: 4976330 (1990-12-01), Matsumoto
patent: 5108159 (1992-04-01), Tsang et al.
patent: 5454630 (1995-10-01), Zhang

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