北京航空航天大学学报 ›› 2011, Vol. 37 ›› Issue (4): 487-491.

• 论文 • 上一篇    下一篇

基于随机鲁棒分析的输出反馈特征结构配置

金宪哲, 吴森堂   

  1. 北京航空航天大学 自动化科学与电气工程学院, 北京 100191
  • 收稿日期:2010-10-19 出版日期:2011-04-29 发布日期:2011-04-29
  • 作者简介:金宪哲 (1973-),男,黑龙江佳木斯人,博士生,jinxianzhe_first@sina.com.
  • 基金资助:

    十一五国防基础科研资助项目(A212006 × × ×)

Output feedback eigenstructure assignment based on stochastic robustness analysis

Jin Xianzhe, Wu Sentang   

  1. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2010-10-19 Online:2011-04-29 Published:2011-04-29

摘要: 针对输出反馈特征结构配置在参数不确定性系统设计中的鲁棒性问题,提出一种基于随机鲁棒分析的输出反馈特征结构配置优化方法.该方法通过随机鲁棒分析准确度量了闭环系统的鲁棒性,确立控制系统设计要求与待设计参数间的直接联系,并运用优化技术实现闭环系统稳定性与性能间的折衷,最大化控制系统的鲁棒性.通过在某高超声速飞行器横侧向解耦控制系统设计上的应用,验证了该方法的有效性.

Abstract: An approach for output feedback eigenstructure assignment(EA) of linear multivariable system with parameter uncertainty was presented based on stochastic robustness analysis (SRA), which was used to solve the problem of the eigenstructure robustness. With SRA, the robustness measures of closed-loop control system could be achieved accurately. And the direct relationship between the control system design specifications and the design parameters was established. The optimization algorithm was employed to maximize the control system robustness through trading off between the stability and the performances. At last, SRA-EA was applied to the decoupled design for lateral control system of the hypersonic vehicle. The numerical simulations demonstrated the effectiveness of the presented approach.

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