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A Discrete-Time Chattering Free Sliding Mode Control with Multirate Sampling Method for Flight Simulator

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  • Yunjie Wu
  • Youmin Liu
  • Wulong Zhang

Abstract

In order to improve the tracking accuracy of flight simulator and expend its frequency response, a multirate-sampling-method-based discrete-time chattering free sliding mode control is developed and imported into the systems. By constructing the multirate sampling sliding mode controller, the flight simulator can perfectly track a given reference signal with an arbitrarily small dynamic tracking error, and the problems caused by a contradiction of reference signal period and control period in traditional design method can be eliminated. It is proved by theoretical analysis that the extremely high dynamic tracking precision can be obtained. Meanwhile, the robustness is guaranteed by sliding mode control even though there are modeling mismatch, external disturbances and measure noise. The validity of the proposed method is confirmed by experiments on flight simulator.

Suggested Citation

  • Yunjie Wu & Youmin Liu & Wulong Zhang, 2013. "A Discrete-Time Chattering Free Sliding Mode Control with Multirate Sampling Method for Flight Simulator," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-8, May.
    • Handle: RePEc:hin:jnlmpe:865493
    DOI: 10.1155/2013/865493
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