23 April 2017 Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103237G (2017) https://doi.org/10.1117/12.2265169
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
High-speed railway is being developed rapidly; its safety, including infrastructure and train operation, is vital. This paper presents a railway-subgrade vibration monitoring scheme based on phase-sensitive OTDR for railway safety. The subgrade vibration is detected and rebuilt. Multi-dimension comprehensive analysis (MDCA) is proposed to identify the running train signals and illegal constructions along railway. To our best knowledge, it is the first time that a railway-subgrade vibration monitoring scheme is proposed. This scheme is proved effective by field tests for real-time train tracking and activities monitoring along railway. It provides a new passive distributed way for all-weather railway-subgrade vibration monitoring.
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Zhaoyong Wang, Zhaoyong Wang, Bin Lu, Bin Lu, Hanrong Zheng, Hanrong Zheng, Qing Ye, Qing Ye, Zhengqing Pan, Zhengqing Pan, Haiwen Cai, Haiwen Cai, Ronghui Qu, Ronghui Qu, Zujie Fang, Zujie Fang, Howell Zhao, Howell Zhao, } "Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103237G (23 April 2017); doi: 10.1117/12.2265169; https://doi.org/10.1117/12.2265169
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