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Proceedings Paper

Safety monitoring of rail transit by fiber grating sensors
Author(s): Xiaomei Xu; Xuejin Li; Yuanlong Deng; Xiaoqing Liu; Yongqin Yu; Huasheng Zhou
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Paper Abstract

The subway is a representative form of the rail transit, and its catenary suspension system is a very important aspect to the safety of the whole system. The safety monitoring of the subway catenary suspension system is studied in this paper. A demonstrate model is set up in the laboratory, and some fiber Bragg grating (FBG) sensors including strain sensors and displacement sensors were utilized in the demonstrate system. It is shown that the used sensors could indicate the safety information of the system effectively. Especially, the designed displacement sensor that is packaged by athermal technique can abandon the influence of the environment temperature in a certain degree. Its engineering applicability is greatly improved.

Paper Details

Date Published: 20 December 2013
PDF: 7 pages
Proc. SPIE 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 90441B (20 December 2013); doi: 10.1117/12.2037697
Show Author Affiliations
Xiaomei Xu, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Engineering Lab. for Optical Fiber Sensors and Networks (China)
Shenzhen Univ. (China)
Xuejin Li, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Engineering Lab. for Optical Fiber Sensors and Networks (China)
Shenzhen Univ. (China)
Yuanlong Deng, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Univ. (China)
Xiaoqing Liu, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Engineering Lab. for Optical Fiber Sensors and Networks (China)
Shenzhen Univ. (China)
Yongqin Yu, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Engineering Lab. for Optical Fiber Sensors and Networks (China)
Shenzhen Univ. (China)
Huasheng Zhou, Shenzhen Key Lab. of Sensor Technology (China)
Shenzhen Engineering Lab. for Optical Fiber Sensors and Networks (China)


Published in SPIE Proceedings Vol. 9044:
2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications
Brian Culshaw; Xuping Zhang; Anbo Wang, Editor(s)

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