Line Structured Light Measurement System, Method and Experiments for Rail Profile

Qingli Luo, Shubin Zhang, Zhiyuan Chen

2022

Abstract

More than 40,000 kilometers of high-speed railway has been built in China, and it is the longest all over the world. The wear of railway rails would affect the safety of train operation. The traditional manual contact measurement methods had the disadvantages of low measurement efficiency and the surface of the measured object was easy to wear. Then, it was of great significance to develop high-precision, non-contact rail profile measurement methods. This paper designed and implemented a method for rail profile measurement with line-structured light. A structured light plane parallel to the cross-section of the rail was emitted by a line laser. The image data were collected by an industrial camera, and then the actual rail profile was extracted through the center line extraction algorithm and coordinate transformation. The method has been tested on 60kg rail profile measurement and the profile measurement experiment results proved it has higher precision and faster speed, compared with results from the Coordinate Measuring Machine (CMM).

Paper Citation

in Harvard Style

Luo Q., Zhang S. and Chen Z. (2022). Line Structured Light Measurement System, Method and Experiments for Rail Profile. In Proceedings of the 3rd International Symposium on Automation, Information and Computing - Volume 1: ISAIC; ISBN 978-989-758-622-4, SciTePress, pages 162-168. DOI: 10.5220/0011916900003612

in Bibtex Style

@conference{isaic22,
author={Qingli Luo and Shubin Zhang and Zhiyuan Chen},
title={Line Structured Light Measurement System, Method and Experiments for Rail Profile},
booktitle={Proceedings of the 3rd International Symposium on Automation, Information and Computing - Volume 1: ISAIC},
year={2022},
pages={162-168},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0011916900003612},
isbn={978-989-758-622-4},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 3rd International Symposium on Automation, Information and Computing - Volume 1: ISAIC
TI - Line Structured Light Measurement System, Method and Experiments for Rail Profile
SN - 978-989-758-622-4
AU - Luo Q.
AU - Zhang S.
AU - Chen Z.
PY - 2022
SP - 162
EP - 168
DO - 10.5220/0011916900003612
PB - SciTePress