| 摘要 |
PURPOSE: A toe angle measurement method is provided to calculate accurate toe angles from eight factors of light receiving units, including the cross angles and track angles. CONSTITUTION: A toe angle measurement method is as follows. Lighting emitting units of sensors mounted on wheels are prepared. Light receiving units converting the light of the light emitting unit into electric signals are prepared. The toe angles(1,2,3,4) of the wheels are computed from the electric signals of the light receiving unit through arithmetic logic(7), based on cross angles(11,21,31,41) and track angles(12,22,32,42).
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