Method and apparatus for estimating disturbance acting on vehicl

Details Method and apparatus for estimating disturbance acting on vehicl Method and apparatus for estimating disturbance acting on vehicl

1994-07-25

1996-07-02

Chilcot, Richard

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

731462, 36457102, 36457104, G01M 17013, G01M 1702

Patent

active

055311105

ABSTRACT:
The invention is a method and apparatus wherein a disturbance acting on a tired wheel of a vehicle is estimated by a disturbance observer on the basis of the detected angular velocity of the wheel. In one form of the method, the wheel angular velocity is compensated for the disturbance, depending upon the amount of change of the wheel angular velocity caused by the disturbance. In another form of the method, the angular acceleration of the wheel as well as the disturbance is estimated by the observer, and the moment of inertia of the wheel is obtained according to a relationship between the estimated disturbance and angular acceleration of the wheel.

REFERENCES:
patent: 4149140 (1979-04-01), Evans et al.
patent: 4224597 (1980-09-01), DiCecio
patent: 4817421 (1989-04-01), Himmler
patent: 5299131 (1994-03-01), Haas et al.
patent: 5343741 (1994-09-01), Nishihara et al.

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