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A. Matsumoto¹, Y. Sato¹, H. Ohno¹, M. Shimizu², T. Ogino², T. Seki², Y. Michitsuji³, M. Tanimoto⁴ and M. Mizuno⁵

¹National Traffic Safety & Environment Laboratory, Tokyo, Japan
²Tokyo Metro Co. Ltd., Japan
³Ibaraki University, Hitachi, Japan
⁴Nippon Steel & Sumikin Technology, Osaka, Japan
⁵Nippon Steel & Sumitomo Metal Corp., Osaka, Japan

doi:10.4203/ccp.104.153

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A. Matsumoto, Y. Sato, H. Ohno, M. Shimizu, T. Ogino, T. Seki, Y. Michitsuji, M. Tanimoto, M. Mizuno, "Continuous "Y/Q" Monitoring by In-Service Trains for Prevention of Flange Climb Derailments", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 153, 2014. doi:10.4203/ccp.104.153

Keywords: railway, wheel-rail contact, curving, condition monitoring, safety.

Summary

The authors have perfected a sensing system able to monitor the derailment coefficient Y/Q continuously as the result of a joint research of academic institutes, manufacturers and a railway operator. Trains fitted with this system are now in service on 3 lines of the Tokyo metro network. This measuring method uses a couple of non-contact gap sensors on the bogie flame, instead of many strain gauges on rotating wheels in conventional systems. Data is collected from the systems. Analyses of the characteristics of a Y/Q increase in curving are carried out, and reported in this paper.

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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 153 Continuous "Y/Q" Monitoring by In-Service Trains for Prevention of Flange Climb Derailments A. Matsumoto¹, Y. Sato¹, H. Ohno¹, M. Shimizu², T. Ogino², T. Seki², Y. Michitsuji³, M. Tanimoto⁴ and M. Mizuno⁵ ¹National Traffic Safety & Environment Laboratory, Tokyo, Japan ²Tokyo Metro Co. Ltd., Japan ³Ibaraki University, Hitachi, Japan ⁴Nippon Steel & Sumikin Technology, Osaka, Japan ⁵Nippon Steel & Sumitomo Metal Corp., Osaka, Japan doi:10.4203/ccp.104.153 purchase the full-text of this paper Full Bibliographic Reference for this paper A. Matsumoto, Y. Sato, H. Ohno, M. Shimizu, T. Ogino, T. Seki, Y. Michitsuji, M. Tanimoto, M. Mizuno, "Continuous "Y/Q" Monitoring by In-Service Trains for Prevention of Flange Climb Derailments", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 153, 2014. doi:10.4203/ccp.104.153 Keywords: railway, wheel-rail contact, curving, condition monitoring, safety. Summary The authors have perfected a sensing system able to monitor the derailment coefficient Y/Q continuously as the result of a joint research of academic institutes, manufacturers and a railway operator. Trains fitted with this system are now in service on 3 lines of the Tokyo metro network. This measuring method uses a couple of non-contact gap sensors on the bogie flame, instead of many strain gauges on rotating wheels in conventional systems. Data is collected from the systems. Analyses of the characteristics of a Y/Q increase in curving are carried out, and reported in this paper. 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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