Science China Technological Sciences

, Volume 62, Issue 1, pp 60–69 | Cite as

Low frequency vibration control of railway vehicles based on a high static low dynamic stiffness dynamic vibration absorber

  • Yu Sun
  • Dao GongEmail author
  • JinSong Zhou
  • WenJing Sun
  • ZhangHui Xia


In order to control the low frequency vibration of railway vehicles, a vertical two degrees of freedom (2DOF) low frequency dynamic vibration absorber (DVA) based on acceleration is proposed. Parameters of the dynamic vibration absorber are put forth to control the low frequency vibration of car body bouncing and pitching. Next, the acceleration power spectrum density (PSD) and ride quality of the car body are calculated based on the pseudo excitation method (PEM) and covariance algorithm, respectively. According to the requirement of 2DOF low frequency DVA, the isolators with high static low dynamic stiffness (HSLDS) are designed. A high-speed train dynamic model containing HSLDS isolators is established to validate the effects on the car body vibration. The results reveal that the 2D low frequency DVA can significantly reduce the vibration of the car body bouncing and pitching. Thus, the ride quality of the vehicle is increased, and passenger comfort is improved.


railway vehicle dynamics ride quality low frequency dynamic vibration absorber high static low dynamic stiffness 


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Copyright information

© Science in China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yu Sun
    • 1
  • Dao Gong
    • 1
    Email author
  • JinSong Zhou
    • 1
  • WenJing Sun
    • 1
  • ZhangHui Xia
    • 1
  1. 1.Institute of Rail TransitTongji UniversityShanghaiChina

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