The dynamic strain and vibration acceleration are two key parameters in the monitoring of vibrations that can damage track and affect the safety of railway traffic. This paper presents a remote measurement system for the online monitoring of train-induced vibration responses in rail tracks. A precision data acquisition node is designed for the conditioning and monitoring of the vibration signals generated by trains traveling at full speed. The monitored data is remotely acquired using a wireless sensor network. Furthermore, the use of solar power significantly increases the long-term service life of the system. The system is validated using both laboratory tests and a field deployment over a period of several months on an in-service high-speed railway. The obtained results indicate that the remote measurement system can accurately collect dynamic strain and vibration acceleration signals in a rail; these signals can be processed and analyzed to allow timely maintenance actions.


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    Title :

    Design and evaluation of a remote measurement system for the online monitoring of rail vibration signals


    Contributors:
    Chong, Liu (author) / Jiahong, Wei (author) / Zhixin, Zhang (author) / Junsheng, Liang (author) / Tongqun, Ren (author) / Hongquan, Xu (author)


    Publication date :

    2016-03-01


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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