Antiskid controller

Details Antiskid controller Antiskid controller

1996-02-12

2000-02-08

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

701 79, 701 80, 180197, 303150, G06F 700

Patent

active

060236493

ABSTRACT:
The invention provides an anti-skid controller capable of correctly executing ABS control by accurately estimating a road surface .mu. without using additional sensors. Each wheel speed is detected, and acceleration of the vehicle body in a case where a wheel speed difference between front and rear wheels exceeds a specified value is determined. In this case, by using a change rate within a specified period of time with respect to a wheel speed of one in which wheel speed changing is small as the acceleration, a road surface .mu. corresponding to the acceleration is determined. Corrections regarding turning, bad road travelling, road surface changing, etc. can be carried out, by determining a lateral G based on a speed difference between left and right wheels.

REFERENCES:
patent: 5028095 (1991-07-01), Okubo
patent: 5065327 (1991-11-01), Yahagi et al.
patent: 5079709 (1992-01-01), Hirako et al.
patent: 5092662 (1992-03-01), Okubo
patent: 5105359 (1992-04-01), Okubo
patent: 5172319 (1992-12-01), Shiraishi et al.
patent: 5257192 (1993-10-01), Masaki
patent: 5328006 (1994-07-01), Tsuyama et al.
patent: 5443583 (1995-08-01), Sugawara et al.
patent: 5634699 (1997-06-01), Ichikawa et al.

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