Rear wheel anti-lock brake controller

Details Rear wheel anti-lock brake controller Rear wheel anti-lock brake controller

1989-11-01

1991-02-05

Lall, Parshotam S.

Boots, shoes, and leggings

303100, 303106, 180197, B60T 832

Patent

active

049911031

ABSTRACT:
A rear wheel speed reference utilized in an anti-lock brake controller as the basis for controlling the rear wheel brakes of a vehicle controlled by a common control signal is established based on the road surface condition. When the vehicle is being braked on a split coefficient of friction surface, the rear wheel speed reference is established at the wheel speed which is the lowest between the two wheels. This provides braking in accord with a select low mode of operation. However, when the two rear wheels are being braked on a uniform surface, the rear wheel speeds are processed such that an average of the two wheel speeds is provided as the rear wheel speed reference for establishing the braking control signal for the rear wheels.

REFERENCES:
patent: 4670852 (1987-06-01), Masaki et al.
patent: 4755945 (1988-07-01), Kade et al.
patent: 4759590 (1988-07-01), Uchida et al.
patent: 4819168 (1989-04-01), Laskey
patent: 4855916 (1989-08-01), Bernard
patent: 4866625 (1989-09-01), Kawamoto et al.

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