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首页> 外文期刊>Mathematical Problems in Engineering >The Modeling and Analysis for the Self-Excited Vibration of the Maglev Vehicle-Bridge Interaction System
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The Modeling and Analysis for the Self-Excited Vibration of the Maglev Vehicle-Bridge Interaction System

机译：磁悬浮车桥相互作用系统自激振动的建模与分析

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摘要

This paper addresses the self-excited vibration problems of maglev vehicle-bridge interaction system which greatly degrades the stability of the levitation control, decreases the ride comfort, and restricts the cost of the whole system. Firstly, two levitation models with different complexity are developed, and the comparison of the energy curves associated with the two models is carried out. We conclude that the interaction model with a single levitation control unit is sufficient for the study of the self-excited vibration. Then, the principle underlying the self-excited vibration is explored from the standpoint of work acting on the bridge done by the levitation system. Furthermore, the influences of the parameters, including the modal frequency and modal damping of bridge, the gain of the controller, the sprung mass, and the unsprung mass, on the stability of the interaction system are carried out. The study provides a theoretical guidance for solving the self-excited vibration problems of the vehicle-bridge interaction systems.
机译：本文解决了磁悬浮车桥相互作用系统的自激振动问题，这大大降低了悬浮控制的稳定性，降低了乘坐舒适性，并限制了整个系统的成本。首先，建立了两种复杂度不同的悬浮模型，并对两种模型的能量曲线进行了比较。我们得出的结论是，具有单个悬浮控制单元的相互作用模型足以研究自激振动。然后，从作用在悬浮系统完成的桥梁上的工作的观点出发，探索了自激振动的基本原理。此外，还对桥梁的模态频率和模态阻尼，控制器的增益，簧载质量和簧下质量等参数对相互作用系统的稳定性进行了影响。该研究为解决车桥相互作用系统的自激振动问题提供了理论指导。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第16期|709583.1-709583.10|共10页
  • 作者

    Li Jinhui; Li Jie; Zhou Danfeng; Wang Lianchun;

  • 作者单位

    Natl Univ Def Technol, Coll Mechatron Engn & Automat, Changsha 410073, Hunan, Peoples R China.;

    Natl Univ Def Technol, Coll Mechatron Engn & Automat, Changsha 410073, Hunan, Peoples R China.;

    Natl Univ Def Technol, Coll Mechatron Engn & Automat, Changsha 410073, Hunan, Peoples R China.;

    Natl Univ Def Technol, Coll Mechatron Engn & Automat, Changsha 410073, Hunan, Peoples R China.;

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