| 一类基于观测器的短时延网络控制系统的建模和稳定性分析 |
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| 引用本文： | 肖元,金朝永. 一类基于观测器的短时延网络控制系统的建模和稳定性分析[J]. 广东工业大学学报, 2010, 27(4): 85-88 |
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| 作者姓名： | 肖元 金朝永 |
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| 作者单位： | 广东工业大学应用数学学院,广东,广州,510006;广东工业大学应用数学学院,广东,广州,510006 |
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| 摘 要： | 针对一类不确定的短时延网络控制系统,利用全阶状态观测器作为对网络诱导时延的补偿,定义了一个新的状态变量,得到了短时延网络控制系统的离散模型．根据Lyapunov稳定性理论和矩阵知识,给出 该闭环系统渐近稳定的充分条件,并基于线性矩阵不等式的可行解给出了状态反馈控制律．仿真结果表明该方法有效可行．
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| 关 键 词： | 网络控制系统 不确定时延 线性矩阵不等式 全阶状态观测器 李亚普诺夫函数 |
Modeling and Stabilization Analysis of Observer-based Networked Control Systems with Time-delay |
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| Xiao Yuan,Jin Chao-yong. Modeling and Stabilization Analysis of Observer-based Networked Control Systems with Time-delay[J]. Journal of Guangdong University of Technology, 2010, 27(4): 85-88 |
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| Authors: | Xiao Yuan Jin Chao-yong |
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| Affiliation: | Faculty of Applied Mathematics,Guangdong University of Technology,Guangzhou 510006,China |
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| Abstract: | Considering a class of uncertain networked control systems with short time-delay,it proposes a discrete model,in which a full-order observer is utilized to compensate network-induced delay,by defining an augmented state vector,based on Lyapunov stability theory and matrix theory．Sufficient conditions for asymptotic stability of closed．1oop systems were derived,and the state~edback controller was obtained,based on the feasible solution of the linear matrix inequalities(LMI)．The simulation results verify the validity of the proposed method． |
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| Keywords: | networked control systems uncertain time-delay linear matrix inequalities full-order observer of the state Lyapunov function, |
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