20 December 2013 Safety monitoring of rail transit by fiber grating sensors
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Proceedings Volume 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 90441B (2013) https://doi.org/10.1117/12.2037697
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China
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.
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Xiaomei Xu, Xuejin Li, Yuanlong Deng, Xiaoqing Liu, Yongqin Yu, Huasheng Zhou, "Safety monitoring of rail transit by fiber grating sensors", Proc. SPIE 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 90441B (20 December 2013); doi: 10.1117/12.2037697; https://doi.org/10.1117/12.2037697
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