Method for rolling compensation with wheel-mounted sensors

Details Method for rolling compensation with wheel-mounted sensors Method for rolling compensation with wheel-mounted sensors

2011-07-05

2011-07-05

Lau, Tung S (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

For mechanical system

Reexamination Certificate

active

07974806

ABSTRACT:
A method for compensating axial misalignment between wheel-mounted alignment sensors and an axis of rotation for an associated wheel. The method compensates sensors mounted to each wheel of a vehicle simultaneously, without requiring jacking of the vehicle wheels above a supporting surface, and which only requires wheel rotational movement over an arc of 60 degrees or less. The method utilizes measurements of a change in a wheel toe angle and measurements of a change in a wheel camber angle, during a measured rotational movement of the wheel, to identify sinusoidal variation in the respective toe and camber angles during the wheel's rotational movement, from which a measure of axial misalignment between the wheel-mounted alignment sensor axis of rotation and the wheel axis of rotation is identified.

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WO 2008/072276, Torri Giancarlo, International Publication Date Jun. 19, 2008.

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