Time-frequency analysis study on picking-up dynamic response characteristic on high speed train wheel-track coupling system

机译：高速列车轮轨耦合系统拾取动态响应特性的时频分析研究

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In this article, the vehicle track system vibration responses on different speeds are calculated based on incentive model of track irregularities and corrugations on different wave lengths. The vibration response data of high speed vehicle-track system was empirical mode decomposed with the improved EMD method and system's each dynamic character was picked up. Also wheel force and acceleration intrinsic modes were analyzed and compared. After all these studies, the result indicates that improved EMD method could decompose the vibration signals as incentive models adaptively and pick up the dynamic characteristic of the vehicle track system efficiently.

机译：在本文中，基于不同波长上的轨道不规则性和波纹的激励模型计算不同速度的车辆轨道系统振动响应。高速车辆轨道系统的振动响应数据是用改进的EMD方法分解的经验模式，并拾取了系统的每个动态字符。还分析了车轮力和加速度的内在模式并进行了比较。在所有这些研究之后，结果表明改进的EMD方法可以自适应地将振动信号分解为激励模型，并有效地拾取车辆轨道系统的动态特性。

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《MIC;International Conference on Measurement, Information and Control》|2012年|p.939- 943|共5页
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Yan Gao; Jianhui Lin; Shuangxi Chen;
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Time-frequency analysis study on picking-up dynamic response characteristic on high speed train wheel-track coupling system

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