| 一类线性切换广义系统的保性能控制 |
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| 引用本文： | 顾则全,刘贺平,廖福成. 一类线性切换广义系统的保性能控制[J]. 控制工程, 2010, 17(1) |
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| 作者姓名： | 顾则全 刘贺平 廖福成 |
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| 作者单位： | 1. 北京科技大学,信息工程学院,北京,100083
2. 北京科技大学,应用科学学院,北京,100083 |
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| 基金项目： | 国家自然科学基金资助项目(10671011);;北京市教委重点学科共建基金资助项目(XK100080537) |
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| 摘 要： | 针对一类线性切换广义系统,研究了其在任意切换策略下的保性能控制问题。结合一个二次型性能指标,利用单Lyapunov函数方法和线性矩阵不等式(LMI)技术,给出了状态反馈保性能控制器存在的一个充分条件,使得相应的闭环切换广义系统保持正则、稳定和无脉冲,且闭环性能指标值不超过某个确定上界。并进一步将保性能控制器的设计问题转化为线性矩阵不等式的可行解问题,使得控制器的设计更加简便,易于操作。这个条件可以通过Matlab的LMI工具箱求解,适合在工程中应用。数值仿真例子说明了该方法的有效性。
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| 关 键 词： | 切换系统 广义系统 切换广义系统 保性能控制 线性矩阵不等式 |
Guaranteed Cost Control for a Class of Linear Switched Singular Systems |
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| GU Ze-quan,LIU He-ping,LIAO Fu-cheng. Guaranteed Cost Control for a Class of Linear Switched Singular Systems[J]. Control Engineering of China, 2010, 17(1) |
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| Authors: | GU Ze-quan LIU He-ping LIAO Fu-cheng |
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| Affiliation: | 1.Information Engineering School/a>;University of Science and Technology Beijing/a>;Beijing 100083/a>;China/a>;2.Applied Science School/a>;China |
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| Abstract: | To a class of linear switched singular systems,the problem of guaranteed cost control under arbitrary switching laws is studied.Based on single Lyapunov function approach and linear matrix inequality technique,a sufficient condition on the existence of state-feedback guaranteed cost controller is derived.The obtained controller assures the closed-loop switched singular systems keep regular,impulse-free and stable,and an adequate level of a quadratic cost index can be guaranteed.This condition is turned into... |
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| Keywords: | switched systems singular systems switched singular systems guaranteed cost control LMI |
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