Vertical vibration analysis of the flexible carbody of high speed train

被引：6

作者：

Hui, Cao ^{[1
,2
]}

Weihua, Zhang ^{[1
]}

Bingrong, Miao ^{[1
]}

机构：

[1] Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu

[2] School of Mfg. Science and Engg, Southwest University of Science and Technology, Mianyang

来源：

International Journal of Vehicle Structures and Systems | 2015年 / 7卷 / 02期

关键词：

Dynamic model; Flexible carbody; High speed train; Suspension parameters;

D O I：

10.4273/ijvss.7.2.02

中图分类号：

学科分类号：

摘要：

The elastic vibrations in carbody affect the safety of suspension components and the riding comfort of high speed trains. The vertical vibration of a carbody was studied based on a coupled rigid-flexible dynamic model. The vibration characteristics and the transfer relationship under flexible effect were investigated in frequency domain. Analysis results show that the symmetrical and non-symmetric mode responses achieve maximum in specific wavelengths. The resonance speed and resonance wavelength of the first-order vertical bending vibration have significant impact on the operation of the train. When the modal frequencies of the carbody are equal to the natural frequencies, the carbody produces modal resonance. Therefore, high first-order bending frequency improves the safety and the riding comfort. © 2015. MechAero Foundation for Technical Research & Education Excellence.

引用

页码：55 / 60

页数：5

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