Vehicle anti-lock control apparatus and method

Details Vehicle anti-lock control apparatus and method Vehicle anti-lock control apparatus and method

1992-01-21

1993-02-09

Black, Thomas G.

Boots, shoes, and leggings

180197, 303 95, 303103, B60T 832

Patent

active

051857022

ABSTRACT:
An anti-lock control apparatus and method in which the brake hydraulic pressure is controlled by regarding an estimated vehicle speed as an actual vehicle speed, is characterized in that the estimated vehicle speed is corrected when the estimated vehicle speed is extremely reduced relative to the actual vehicle speed when the four wheel speeds are reduced at the same time, or the like, thereby preventing the estimated vehicle speed from being away from the actual speed. It can be applied as the correction of the estimated vehicle speed that the estimated vehicle speed may be maintained at a constant value, and the deceleration and acceleration of the estimated vehicle speed may be varied in accordance with a friction coefficient of the road surface.

REFERENCES:
patent: 4666218 (1987-05-01), Masaki et al.
patent: 4671579 (1987-06-01), Sawano et al.
patent: 4762375 (1988-08-01), Maki et al.
patent: 4763260 (1988-08-01), Sakuma et al.
patent: 4797825 (1989-01-01), Shimanuki et al.
patent: 4991910 (1991-02-01), Shimanuki et al.

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