8 September 2011 Detecting the possibility of train derailment based on FBG sensor system
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Detecting the possibility of train derailment and preventing the happening of derailment are very important to railway safety affairs. The FBG has the anti-electromagnetic interference, anti-corrosion and strong stability characteristics which make it very practical for high-speed train's safety detection. A quasi-distributed Fiber Bragg Grating (FBG) based strain sensing system for railway derailment detecting is presented in this paper. The FBG sensor system is designed to detect possible factors which may lead to train derailment, such as the speed of train, the max value of coefficient of derailment and off load ratio R. Then there is algorithm to analysis the possibility of train derailment with detected data. The FBG's characteristic of multiplexing make the railway safety networks service becomes possible.
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Yu Quan, Yu Quan, Dawei He, Dawei He, Tao Wang, Tao Wang, Yongsheng Wang, Yongsheng Wang, "Detecting the possibility of train derailment based on FBG sensor system", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81911D (8 September 2011); doi: 10.1117/12.900618; https://doi.org/10.1117/12.900618

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