引用本文:俞 立.具有闭环极点和方差约束的不确定离散系统鲁棒控制[J].控制理论与应用,2001,18(4):621~623.[点击复制]
YU Li.Robust Control of Uncertain Discrete-Time Systems with Closed-Loop Pole and Variance Constraints[J].Control Theory and Technology,2001,18(4):621~623.[点击复制]
具有闭环极点和方差约束的不确定离散系统鲁棒控制
Robust Control of Uncertain Discrete-Time Systems with Closed-Loop Pole and Variance Constraints
摘要点击 1335  全文点击 1199  投稿时间:1999-09-27  修订日期:2000-03-13
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DOI编号  10.7641/j.issn.1000-8152.2001.4.034
  2001,18(4):621-623
中文关键词  离散时间系统  极点配置  方差  线性矩阵不等式  鲁棒控制
英文关键词  discrete-time systems  pole assignment  vartiance  linear matrix inequality  robust control
基金项目  国家自然科学基金(69974036)和浙江省自然科学基金重点项目(zd99005)资助项目.
作者单位
俞 立 浙江工业大学 工业控制技术国家重点实验室, 杭州 310027 
中文摘要
      对一类具有范数有界不确定性的离散时间系统, 研究了使得闭环系统的所有极点位于一给定圆盘, 且稳态状态方差不超过给定上界的状态反馈鲁棒方差控制律设计问题 基于线性矩阵不等式的处理方法, 导出了鲁棒方差控制律的存在条件, 并用一组线性矩阵不等式的可行解给出了鲁棒方差控制律的一个参数化表示 进而, 通过建立和求解一个凸优化问题, 给出了具有最小控制能量的鲁棒方差控制律设计方法.
英文摘要
      The problem of designing the state feedback controllers is studied which guarantee the closed-loop poles within a specifiled disc and steady-state variances to be less than given uppper bounds for linear discrete-time systems with norm-bounded paramdter uncertatainties. Based on the linear matrix inequality approach, existence conditions of rotust variance controllers and derived. A parameterized representation of robust varance controllers in provided in tems of the feasible solutions to a certain linear matrix inequality system. Furthemore, the design problem of the minimum-effect robust variance controller is formulated as a convex optimization problem.