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Analysis on the effect of controllable valve parameters on hydro-pneumatic suspension damping characteristics

  • Jie Yang*
  • , Sizhong Chen
  • , Zhicheng Wu
  • , Weidong Liang
  • , Zhaodu Liu
  • *Corresponding author for this work
  • Beijing Institute of Technology
  • Chinese Academy of Equipment Command and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A kind of hydro-pneumatic suspension with controllable damping was designed. A complex nonlinear mathematic damping model of hydro-pneumatic suspensions was set up on the basis of comprehensive analysis of its working principle and structure. The effects of the controllable valve structural parameters on the hydro-pneumatic suspension damping characteristics were mainly discussed by using software Matlab/Simulink. The comparison of simulation results and bench test showed that the mathematic model is authentic, and the perfect damping characteristics of the hydro-pneumatic suspension could be obtained through rational selection of the valve structural parameters, such as the size of the parallel or series orifices, the maximum opening capacity or the spring pre-compression of the one-way valve.

Original languageEnglish
Pages (from-to)12-17
Number of pages6
JournalNongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery
Volume40
Issue number2
Publication statusPublished - Feb 2009

Keywords

  • Damping characteristics
  • Damping valve
  • Hydro-pneumatic suspensions
  • Influencing factor

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