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S.Q. Song and W.H. Zhang

State Key Laboratory of Traction Power, Southwest Jiaotong University Chengdu, China

doi:10.4203/ccp.104.254

S.Q. Song, W.H. Zhang, "Wavelet Theory in Relation to Vehicle Response and Shortwave Rail Irregularity", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 254, 2014. doi:10.4203/ccp.104.254

Keywords: vehicle acceleration, wavelet, rail scratch, welded joint irregularity, vehicle-track coupling, flexible.

Summary

As a carrier of the train, the track affects the safety and the stability of the moving train directly. The relationship between the vehicle response and the irregularity of track is analyzed in this paper. Since the wide variety of track defects, the short wave irregularity of track is the main discussion in the paper. The acceleration of the vehicle car-body cannot distinguish the similar shortwave irregularity; however, the vehicle car-body acceleration can be decomposed using DB5 wavelet. And the similar shortwave irregularity can be distinguished marginally.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 254 Wavelet Theory in Relation to Vehicle Response and Shortwave Rail Irregularity S.Q. Song and W.H. Zhang State Key Laboratory of Traction Power, Southwest Jiaotong University Chengdu, China doi:10.4203/ccp.104.254 purchase the full-text of this paper Full Bibliographic Reference for this paper S.Q. Song, W.H. Zhang, "Wavelet Theory in Relation to Vehicle Response and Shortwave Rail Irregularity", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 254, 2014. doi:10.4203/ccp.104.254 Keywords: vehicle acceleration, wavelet, rail scratch, welded joint irregularity, vehicle-track coupling, flexible. Summary As a carrier of the train, the track affects the safety and the stability of the moving train directly. The relationship between the vehicle response and the irregularity of track is analyzed in this paper. Since the wide variety of track defects, the short wave irregularity of track is the main discussion in the paper. The acceleration of the vehicle car-body cannot distinguish the similar shortwave irregularity; however, the vehicle car-body acceleration can be decomposed using DB5 wavelet. And the similar shortwave irregularity can be distinguished marginally. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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