Volume 36 Issue 11
Nov.  2010
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Jin Xianzhe, Wu Sentang. Method for optimizing QFT robust control system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(11): 1325-1329. (in Chinese)
Citation: Jin Xianzhe, Wu Sentang. Method for optimizing QFT robust control system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(11): 1325-1329. (in Chinese)

Method for optimizing QFT robust control system

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  • Corresponding author: Jin Xianzhe
  • Received Date: 22 Oct 2009
  • Publish Date: 30 Nov 2010
  • A method for optimizing the quantitative feedback theory (QFT) robust controller was presented based on stochastic robustness analysis and design (SRAD) methodology, which solved the problems, such as inadequate robustness measures in existing optimization methods for QFT robust controller. With SRAD-QFT, the probability of instability and the probabilities of unsatisfied performances of the closed-loop control system were achieved by Monte Carlo evaluation.The stability robustness and performance robustness measurements for the closed-loop control system were provided by these probabilities, based on which the QFT controller and pre-filter could be designed simultaneously. The longitudinal flight control system design for a supersonic anti-ship missile using SRAD-QFT shows that this method can accurately descript the parametric uncertainty of the plant and provide the robustness measurements of the closed-loop control system. Also, it is suitable for designing the complicated system.

     

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