A numerical simulation study of a real-time hybrid test for high-speed maglev train-bridge coupling vibration

被引：0
|
作者：
Wang Z. [1 ]
Hou J. [1 ]
Wu B. [1 ]
Yang G. [1 ]
Wang T. [2 ]
Xu G. [3 ]
Ding Y. [3 ]
机构：
[1] School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan
[2] School of Architecture and Civil Engineering, Heilongjiang University of Science and Technology, Harbin
[3] School of Civil Engineering, Harbin Institute of Technology, Harbin
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2022年 / 41卷 / 08期
关键词：
Coupling vibration; High-speed maglev train; Real-time hybrid test; Test simulation; Time delay compensation;
D O I：
10.13465/j.cnki.jvs.2022.08.033
中图分类号：
学科分类号：
摘要：
A high-speed maglev train is a new and promising type of high-speed transportation, and has gradually become a research hotspot. When the train passes a bridge pier, owing to the pier vertical stiffness far greater than other bridge sections, there is an impact interaction between the train and the bridge. This impact is very unfavorable to the suspension control and even affects operational safety. In order to study the coupling vibration, a real-time hybrid test for this coupling vibration between a high-speed maglev train and a bridge was proposed in this paper. The principle and flow diagram of this method was first described, and then a numerical simulation model of the test system was established, and numerical simulation analysis was carried out. The studies show that the simulation results of the hybrid test are fairly good as a whole, and the real-time hybrid test for high-speed maglev train-bridge coupling vibration is feasible; however, it is still difficult to accurately reproduce the impact interaction, which requires demanding dynamic performance of the loading system. The study results can provide some reference for the implementation of real-time hybrid tests for train-bridge coupling vibration. © 2022, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：270 / 276
页数：6
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