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Random Modeling and Control of Nonlinear Active Suspension

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  • Mingyue Cui
  • Liangchao Geng
  • Zhaojing Wu

Abstract

For a quarter car with nonlinear active suspension in rough road, the problem of random modeling and control is considered. According to the relative motion principle, the influence of rough road can be seen as that force is disturbed by the noise and a random model is constructed. By an appropriate transform, the model is transformed into a lower triangular system, which can be used as backstepping method. Then a controller is designed such that the mean square of the state converges to an arbitrarily small neighborhood of zero by tuning design parameters. The simulation results illustrate the effectiveness of the proposed scheme. Therefore, the active suspension system offers better riding comfort and vehicle handing to the passengers.

Suggested Citation

  • Mingyue Cui & Liangchao Geng & Zhaojing Wu, 2017. "Random Modeling and Control of Nonlinear Active Suspension," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-8, May.
    • Handle: RePEc:hin:jnlmpe:4045796
    DOI: 10.1155/2017/4045796
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