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PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
The Application of an On-board Track Condition Monitoring System for Local Railways
H. Tsunashima1, H. Mori2, M. Ogino3, S. Azami3 and A. Asano4
1Department of Mechanical Engineering, College of Industrial Technology, Nihon University, Japan
H. Tsunashima, H. Mori, M. Ogino, S. Azami, A. Asano, "The Application of an On-board Track Condition Monitoring System for Local Railways", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 65, 2016. doi:10.4203/ccp.110.65
Keywords: safety, track geometry, condition monitoring, fault detection, vibration, wavelet.
In-service vehicles equipped with sensors and GPS systems can act as probes to detect and analyse real-time vehicle vibration. A compact on-board sensing device has been developed and used for the track condition monitoring system. The diagnosis software provides the function of detecting track faults using the root mean square (RMS) of the car-body acceleration. It also allows analysis in the time-frequency domain using the wavelet transform. Field test results in local railway lines showed that the system is effective for practical application.
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