Method and system for determining symmetry and Ackermann geometry status of the steering system of a vehicle
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United States of America Patent
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Oct 21, 2003
Grant Date -
N/A
app pub date -
Nov 26, 2001
filing date -
Nov 26, 2001
priority date (Note) -
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Abstract
The present disclosure provides a method and system for determining symmetry and Ackermann geometry status of the steering system of a vehicle. A system according to the disclosure determines symmetry of the steering system based on toe angle differences of the steerable wheels. Thus, no specification is required for determining symmetry of the steering system. A system according to the disclosure determines symmetry of the steering system based on normalized toe angles. Consequently, the steerable wheel does not have to be positioned at a specific angle. Additionally, the present disclosure determines symmetry in the steering system of a vehicle without requiring turning steering wheels through a large angular range. Hence, technician efforts in steering the wheel are reduced. The disclosure also provides an improved alignment procedure that implements determination of symmetry of the steering system into the alignment procedure. The present disclosure provides a novel machine-implemented procedure to determine Ackermann geometry status of a steering system based on theoretical Ackermann angles.
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