Antiskid control device

Details Antiskid control device Antiskid control device

1986-11-18

1988-08-09

Chin, Gary

Boots, shoes, and leggings

303100, 303105, B60T 832

Patent

active

047632607

ABSTRACT:
An antiskid control device, comprising a detector for detecting a circumferential speed of wheel, a valve for controlling a hydraulic braking force to the wheel, and an electronic control circuit for determining a ratio of a mean value of rising rates and a mean value of lowering rates of the circumferential speed of wheel in a predetermined period of time in every antiskid control cycle for rise and drop of the circumferential speed of wheel based on a detection signal from the detector, for estimating a coefficient of friction of road surface from the ratio to correct the target circumferential speed of wheel based on the estimated coefficient of friction of road surface, and for operating the valve means to let the wheel circumferential speed approach the corrected target circumferential speed.

REFERENCES:
patent: 3966267 (1976-06-01), McNinch, Jr. et al.
patent: 4430714 (1984-02-01), Matsuda et al.
patent: 4665490 (1987-05-01), Masaki et al.
patent: 4666218 (1987-05-01), Masaki et al.
patent: 4671579 (1987-06-01), Sawano et al.
patent: 4672547 (1987-06-01), Masaki et al.

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