Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR

Zhaoyong Wang; Bin Lu; Hanrong Zheng; Qing Ye; Zhengqing Pan; Haiwen Cai; Ronghui Qu; Zujie Fang; Howell Zhao

doi:10.1117/12.2265169

23 April 2017 Novel railway-subgrade vibration monitoring technology using phase-sensitive OTDR

Zhaoyong Wang, Bin Lu, Hanrong Zheng, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, Howell Zhao

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.

Citation Download Citation

Zhaoyong Wang, Bin Lu, Hanrong Zheng, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu, Zujie Fang, and 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); https://doi.org/10.1117/12.2265169

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