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Pneumatic Suspension Damping Characterisation with Equivalent Damping Ratio

Research output: Contribution to journalJournal article

Published
  • Zhihong Yin
  • Dongpu Cao
  • Amir Khajepour
  • Babak Ebrahimi
  • Konghui Guo
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<mark>Journal publication date</mark>2012
<mark>Journal</mark>International Journal of Heavy Vehicle Systems
Issue number3
Volume19
Number of pages19
Pages (from-to)314-332
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

The damping property of a pneumatic suspension with orifice-type fluidic resistance is characterized in this study. The nonlinear and linear models for the suspension system are first formulated and experimentally verified. The verified linear model is employed to derive a new pneumatic damping measure, equivalent damping ratio, based on which a pneumatic Damping Ratio Diagram (PDRD) is proposed. A systematic investigation on pneumatic suspension damping is then conducted. The results and analyses demonstrate that PDRD can be an effective tool for the calculation/design of pneumatic damping, where to properly choose pneumatic suspension design parameters can help yield desirable pneumatic damping.