高速磁浮列车-桥梁耦合振动实时混合试验的数值仿真研究

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (8) : 270-276.

论文

王贞1，侯金佑1，吴斌1，杨格1，王涛2，许国山3，丁勇3

作者信息 +

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

WANG Zhen1, HOU Jinyou1, WU Bin1, YANG Ge1, WANG Tao2, XU Guoshan3, DING Yong3

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文章历史 +

摘要

高速磁浮列车是新型高速交通工具，具有良好应用前景，逐渐成为研究热点。列车过桥墩时，由于桥梁此处竖向刚度远大于其他位置，列车与桥梁之间存在冲击相互作用，对磁浮控制非常不利，甚至影响运行安全性。为了研究该耦合振动，本文提出了高速磁浮列车-桥梁耦合振动实时混合试验。本文首先阐述了方法原理与流程，然后建立试验系统数值仿真模型，开展了数值仿真分析。研究表明，混合试验模拟结果精度较好，高速磁浮列车的车桥耦合实时混合试验具有可行性；不过，准确复现冲击相互作用对加载系统的动力性能要求较高，仍然存在较大困难。研究结果可为车桥耦合实时混合试验的实施提供一定参考。

Abstract

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 the 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 is proposed in this paper. This paper first describes the principle and flow diagram of this method, and then establishes a numerical simulation model of the test system, and carries out numerical simulation analysis. The studies show that the simulation results of 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 test for train-bridge coupling vibration.

导出引用

王贞1，侯金佑1，吴斌1，杨格1，王涛2，许国山3，丁勇3. 高速磁浮列车-桥梁耦合振动实时混合试验的数值仿真研究[J]. 振动与冲击, 2022, 41(8): 270-276

WANG Zhen1, HOU Jinyou1, WU Bin1, YANG Ge1, WANG Tao2, XU Guoshan3, DING Yong3. A numerical simulation study of a real-time hybrid test for high-speed maglev train-bridge coupling vibration[J]. Journal of Vibration and Shock, 2022, 41(8): 270-276

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