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ISSN 2753-3239
ISSN 2753-3239
CCC: 1
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE
Edited by: J. Pombo
Paper 2.1
Detection of high friction coefficient among sharp curves using monitoring bogie in service operation
A. Matsumoto1, Y. Michitsuji2, Y. Ichiyanagi3,
Y. Sato3, H. Ohno3, S. Ogata3, M. Tanimoto4,
T. Fukushima4, T. Matsuda4 and D. Shinagawa5
1Nihon University, Japan
2Ibaraki University, Japan
3National Traffic Safety & Environment Laboratory, Japan
4Tokyo Metro Co. Ltd., Japan
5Nippon Steel Corporation
Full Bibliographic Reference for this paper
A. Matsumoto, Y. Michitsuji, Y. Ichiyanagi,
Y. Sato, H. Ohno, S. Ogata, M. Tanimoto,
T. Fukushima, T. Matsuda, D. Shinagawa, "Detection of high friction coefficient among sharp curves using monitoring bogie in service operation", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 1, Paper 2.1, 2022, doi:10.4203/ccc.1.2.1
Keywords: bogie, condition monitoring, friction coefficient, curve, wear.
Abstract
When the friction coefficient of leading outside wheel of the bogie is high, it results in severe wear of flange. Therefore, the value of the friction coefficient should be well monitored in service operation. A new monitoring bogie which can measure lateral, vertical and tangential forces between wheel and rail has been developed and been introduced in some commercial lines of Tokyo Metro Company. This paper presents actual application of the estimation method of the friction coefficient between flange and rail collected by the monitoring bogie running in service operation. Using the monitoring bogie and the estimation method, a problematic curve section in terms of high friction coefficient can be detected.
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