| 摘要 |
of the Invention An apparatus and method for monitoring and automatically calibrating the primary sensors of a vehicle wheel aligner comprises secondary sensors for signaling the control means of the wheel aligner when the wheels are in known angular orientations. The outputs from the primary angle determining sensors of the wheel aligner are recorded when the secondary sensors signal the control means, and the control means calculates a calibration relationship between the outputs and the known angles to apply to future outputs of the primary sensors.
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