Stiffness analysis of controllable stiffness hydropneumatic springs for vehicles

Zhi Cheng Wu*, Si Zhong Chen, Lin Yang, Xiang Meng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

In order to meet with wide variations in roads conditions controllable stiffness elastic elements are reguired in the suspension of vehicles. Stiff mathematical models of hydropneumatic springs show that some relevant factors such as the volume of gas accumulator and the temperature of operational environment markedly affect the stiffness of hydropneumatic springs. The total volume of gas accumulator can be controlled by changing the number of gas accumulators, and the stiffness of hydropneumatic spring can be controlled furthermore. Stiffness analysis of controllable stiffness hydropneumatic spring shows that controllable stiffness hydropneumatic spring can be used to improve riding comfort and environmental temperature adaptability of vehicles.

Original languageEnglish
Pages (from-to)1035-1038
Number of pages4
JournalBeijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume25
Issue number12
Publication statusPublished - Dec 2005

Keywords

  • Controllable stiffness
  • Hydropneumatic spring
  • Nonlinearity

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