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S. Lin¹, H. Yoshino², H. Yabuno³ and Y. Suda¹

¹Institute of Industrial Science, The University of Tokyo, Japan
²Faculty of Science and Technology, KEIO University, Kanagawa, Japan
³Department of Intelligent Interaction Technologies, University of Tsukuba, Ibaraki, Japan

doi:10.4203/ccp.104.260

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S. Lin, H. Yoshino, H. Yabuno, Y. Suda, "Stabilization of a Wheelset Hunting Motion by Utilizing the Rotating Device of the Running Gear as a Gyroscopic Damper", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 260, 2014. doi:10.4203/ccp.104.260

Keywords: stabilization, railway vehicle, hunting motion, gyroscopic damper.

Summary

A railway vehicle wheelset experiences the problem of hunting motion when the running speed becomes higher than a critical speed, which is known as a flutter-type self-excited oscillation owing to a nonconservative contact force acting between the wheels and rails. It is shown that a gyroscopic damper is effective in increasing the critical speed for the hunting motion. In this paper, a method is proposed by utilizing a rotating device such as a traction motor with a gyroscopic damper which does not require additional power to rotate. Experiments were conducted using a simple apparatus with a roller rig and a gyroscopic damper; and the results show the validity of the gyroscopic damper for the stabilization of hunting motion.

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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 260 Stabilization of a Wheelset Hunting Motion by Utilizing the Rotating Device of the Running Gear as a Gyroscopic Damper S. Lin¹, H. Yoshino², H. Yabuno³ and Y. Suda¹ ¹Institute of Industrial Science, The University of Tokyo, Japan ²Faculty of Science and Technology, KEIO University, Kanagawa, Japan ³Department of Intelligent Interaction Technologies, University of Tsukuba, Ibaraki, Japan doi:10.4203/ccp.104.260 purchase the full-text of this paper Full Bibliographic Reference for this paper S. Lin, H. Yoshino, H. Yabuno, Y. Suda, "Stabilization of a Wheelset Hunting Motion by Utilizing the Rotating Device of the Running Gear as a Gyroscopic Damper", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 260, 2014. doi:10.4203/ccp.104.260 Keywords: stabilization, railway vehicle, hunting motion, gyroscopic damper. Summary A railway vehicle wheelset experiences the problem of hunting motion when the running speed becomes higher than a critical speed, which is known as a flutter-type self-excited oscillation owing to a nonconservative contact force acting between the wheels and rails. It is shown that a gyroscopic damper is effective in increasing the critical speed for the hunting motion. In this paper, a method is proposed by utilizing a rotating device such as a traction motor with a gyroscopic damper which does not require additional power to rotate. Experiments were conducted using a simple apparatus with a roller rig and a gyroscopic damper; and the results show the validity of the gyroscopic damper for the stabilization of hunting motion. 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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