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Proceedings Paper

Wheel pose measurement based on cross structure light
Author(s): Qiancheng Zhao; Xun Ding; Xian Wang; Yafeng Zhao
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Paper Abstract

It's necessary for automobile to detect and adjust four-wheel alignment parameters regularly, due to the significant effect on improving stability, enhancing security and reducing tire wear of automobiles. In order to measure the parameters that determined by relative position and posture of four wheels to the automobile cab, this paper proposes a method which applies monocular vision of linear structure light to wheel pose measurement. Firstly, space coordinates of feature point cloud are calculated out from the principle of structured light. Then, an algorithm is designed to determine the normal vector of wheel tangent plane and measure the wheel pose. Finally, actual experiments that by evaluation of adjusted wheel angle measurement are carried out to verify the system accuracy. The corresponding studies can be applied in designing and developing 3D four-wheel alignment system that based on structured light.

Paper Details

Date Published: 26 January 2016
PDF: 6 pages
Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 99032P (26 January 2016); doi: 10.1117/12.2217705
Show Author Affiliations
Qiancheng Zhao, Hunan Univ. of Science and Technology (China)
Xun Ding, Hunan Univ. of Science and Technology (China)
Xian Wang, Hunan Univ. of Science and Technology (China)
Yafeng Zhao, Hunan Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 9903:
Seventh International Symposium on Precision Mechanical Measurements
Liandong Yu, Editor(s)

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