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Y. Li, T. You, J. Zhou, "Location Distribution Effect of Under-chassis Equipment on Railway Vehicle Vibration Characteristics", 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 22.14, 2022, doi:10.4203/ccc.1.22.14

Keywords: railway vehicle, under-chassis equipment, location distribution, vibration response, upper envelope, rigid-flexible coupling dynamic model.

Abstract

The location of high-speed railway vehicle under-chassis equipment has a great influence on the vibration response characteristics of a car body. In order to study such effect, a rigid-flexible coupling dynamics model of the high-speed railway vehicle is established. Since the single-point response cannot represent the vibration performance of the entire vehicle body when the equipment distribution is adjusted, an upper envelope of multiple response points is proposed as an evaluation index. By analyzing the variation trend of the envelope peak value of different equipment positions, the influence law of the position distribution on the vibration response of the vehicle body is obtained, providing the distribution matching relationship of multiple under-chassis equipment for vibration reduction and vehicle comfort improvement.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 1 PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 22.14 Location Distribution Effect of Under-chassis Equipment on Railway Vehicle Vibration Characteristics Y. Li, T. You and J. Zhou Institute of Rail Transit, Tongji University, Shanghai, China doi:10.4203/ccc.1.22.14 Full Bibliographic Reference for this paper Y. Li, T. You, J. Zhou, "Location Distribution Effect of Under-chassis Equipment on Railway Vehicle Vibration Characteristics", 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 22.14, 2022, doi:10.4203/ccc.1.22.14 Keywords: railway vehicle, under-chassis equipment, location distribution, vibration response, upper envelope, rigid-flexible coupling dynamic model. Abstract The location of high-speed railway vehicle under-chassis equipment has a great influence on the vibration response characteristics of a car body. In order to study such effect, a rigid-flexible coupling dynamics model of the high-speed railway vehicle is established. Since the single-point response cannot represent the vibration performance of the entire vehicle body when the equipment distribution is adjusted, an upper envelope of multiple response points is proposed as an evaluation index. By analyzing the variation trend of the envelope peak value of different equipment positions, the influence law of the position distribution on the vibration response of the vehicle body is obtained, providing the distribution matching relationship of multiple under-chassis equipment for vibration reduction and vehicle comfort improvement. download the full-text of this paper (PDF, 483 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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