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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 110
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 65

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
2National Traffic Safety and Environment Laboratory, Japan
3Graduate School of Nihon University, Japan
4Kyosan Electric MFG. Co. Ltd., Japan

Full Bibliographic Reference for this paper
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.

Summary
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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