Apparatus for estimating vehicle speed based on detected wheel s

Details Apparatus for estimating vehicle speed based on detected wheel s Apparatus for estimating vehicle speed based on detected wheel s

1996-07-02

1998-05-05

Trammell, James P.

Boots, shoes, and leggings

701 74, G01P 700

Patent

active

057485038

ABSTRACT:
A vehicle speed detecting apparatus wherein the speeds of vehicle wheels are detected by wheel speed detecting devices, and the vehicle running speed is estimated by a vehicle speed estimating device, on the basis of the detected wheel speeds, and according to a predetermined estimation rule. The vehicle speed estimating device includes a noise detector for detecting a noise included in any one of the detected wheel speeds, and a rule changing device for changing the estimation rule depending upon whether the noise is included in the detected wheel speed or speeds.

REFERENCES:
patent: 3874741 (1975-04-01), Schnaibel et al.
patent: 4900100 (1990-02-01), Higashimata et al.
patent: 5099443 (1992-03-01), Higashimata et al.
patent: 5418453 (1995-05-01), Wise

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