The Influence of MultistageandSuspension Multi-Equipment on the Vertical Vibration of High-Speed Vehicle

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (22) : 245-251.

HE Xiaolong , ZHANG Liming , LU Liantao , ZHOU Hui

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Abstract

In this article, the rigid-elastic coupling vehicle-equipment system has been established taking the high speed train with multistage and suspension multi-equipment as research subject, and the acceleration frequency response characteristics above the car body center and bogie have been obtained. Also, the vehicle-equipment coupling vibration characteristic and interactional relationship has been researched under considering geometry filtering effect , the equipment connecting method (rigid, elastic), the connecting stiffness and the connecting position . The result shows that: the speed has an important influence on the vehicle vertical response; the connecting parameters mainly affect the vehicle 6-12Hz; the frame and the car body more easily generated coupling vibration compared to the equipment 1 and 2; the middle car body vibration became quite tiny while the equipment and frame have the converse result when connecting stuffiness are 1Kei（i=1,2,3）;The connecting position closer near the middle vehicle, the smaller the middle vehicle vibration, and the higher vertical bending frequency increases 0.4Hz at most.

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multistage and multi-equipment / acceleration frequency response function / geometric filtering effect / elastic connecting parameter / mount position

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HE Xiaolong,ZHANG Liming,LU Liantao,ZHOU Hui. The Influence of MultistageandSuspension Multi-Equipment on the Vertical Vibration of High-Speed Vehicle[J]. Journal of Vibration and Shock, 2017, 36(22): 245-251

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