Brake condition detector and vehicle controller using the same

Details Brake condition detector and vehicle controller using the same Brake condition detector and vehicle controller using the same

1996-06-03

1999-03-02

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

303191, 303146, 73146, 701 80, B60T 1700, B60T 800

Patent

active

058783652

ABSTRACT:
Vibration observed in a tire wheel portion exhibits a resonant vibration phenomenon in which vibration fluctuates between a wheel and a surface of a tire. This phenomenon shows different characteristics depending upon how the surface of the tire is in contact with a road surface. Here, a detector derives a parameter corresponding to a gradient of a coefficient of friction based on these characteristics and detects a brake condition. Also, a controller executes ABS control based on such parameter.

REFERENCES:
patent: 4651290 (1987-03-01), Masaki et al.
patent: 5108159 (1992-04-01), Tsang et al.
patent: 5588721 (1996-12-01), Asano et al.
patent: 5596141 (1997-01-01), Nishikawa et al.
patent: 5662393 (1997-09-01), Kamiya et al.

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