Vehicle body speed estimating method in anti-lock control system

Details Vehicle body speed estimating method in anti-lock control system Vehicle body speed estimating method in anti-lock control system

1992-01-30

1994-07-19

Raevis, Robert

Measuring and testing

Frictional resistance, coefficient or characteristics

36442602, G01N 1902

Patent

active

053298055

ABSTRACT:
A first vehicle body speed is calculated based on a wheel rotational speed detected in a speed sensor for an object wheel. The largest value of speeds based on the wheel rotational speeds detected in speed sensors for four wheels is corrected by a correction value based on an inner and outer wheel speed difference during the turning of a vehicle so as to calculate a second vehicle body speed for every object wheel. A higher one of the first and second vehicle body speeds is selected as an estimated vehicle body speed for use in the anti-lock control for the object wheel. This enables a substantially accurate estimation of an estimated vehicle body speed during the turning of the vehicle.

REFERENCES:
patent: 4848851 (1989-07-01), Kutaoka et al.
patent: 4985836 (1991-01-01), Hashiguchi et al.
patent: 5157611 (1992-10-01), Ikeda et al.
patent: 5185702 (1993-02-01), Okubo
patent: 5200897 (1993-04-01), Makino et al.

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