| 区域极点指标约束下的优化可靠保性能控制 |
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| 引用本文： | 张登峰,王执铨,苏宏业.区域极点指标约束下的优化可靠保性能控制[J].空军工程大学学报,2007,8(4):9-11. |
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| 作者姓名： | 张登峰 王执铨 苏宏业 |
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| 作者单位： | 浙江大学先进控制研究所 杭州310027(张登峰，苏宏业)，南京理工大学自动化学院 南京210094(王执铨) |
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| 基金项目： | 国家自然科学基金;国家创新研究群体科学基金 |
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| 摘 要： | 利用矩阵不等式和LMI方法,研究了一类传感器故障下的不确定离散系统在闭环区域极点指标约束下的鲁棒优化可靠保性能控制问题。分析了故障闭环系统满足区域极点约束和具有较优的保性能上界的充分条件,给出的保性能函数指标上界优于已有的结果。得到了使故障闭环系统满足上述性能约束的可靠状态反馈控制器设计方法。最后通过仿真示例证明了本文方法的有效性。
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| 关 键 词： | 可靠控制 传感器故障 保性能控制 区域极点配置 LMI |
| 文章编号： | 1009-3516（2007）04-0009-03 |
| 修稿时间： | 2007-02-10 |
Optimal Reliable Guaranteed Cost Control with Regional Poles Constraints |
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| ZHANG Deng-feng,WANG Zhi-Quan,SU Hong-ye.Optimal Reliable Guaranteed Cost Control with Regional Poles Constraints[J].Journal of Air Force Engineering University(Natural Science Edition),2007,8(4):9-11. |
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| Authors: | ZHANG Deng-feng WANG Zhi-Quan SU Hong-ye |
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| Institution: | 1. Institute of Advanced Process Control, Zhejiang University, Hangzhou 310027, China ; 2. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China |
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| Abstract: | The problem of optimal reliable guaranteed cost control with regional poles constraints is investigated for a class of uncertain discrete-time systems subject to sensor failures.The sufficient conditions are derived for the faulty closed-loop systems meeting such performance requirements by using matrix inequalities.The existing result on the upper bound of guaranteed cost function is improved.Based on linear matrix inequalities(LMI) approach,the reliable state-feedback controller is designed to guarantee,for possible sensor failures,the closed-loop system satisfying the pre-specified regional pole index and having the optimal quadratic cost performance.Finally,the simulative example demonstrates the validity of the proposed method. |
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| Keywords: | reliable control sensor failure guaranteed cost control regional poles assignment LMI |
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