一类线性网络控制系统鲁棒L1控制 |
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引用本文:李艳辉,尚胤彤,陈琴,黄娜.一类线性网络控制系统鲁棒L1控制[J].计算技术与自动化,2011,(3):6-10 |
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中文摘要:研究一类网络控制系统(NCS)的L1控制问题。针对一类具有时延和丢包的网络控制系统,将其建模为线性时变时延系统,利用Lyapunov稳定性理论和线性矩阵不等式方法建立具有鲁棒L1性能约束的状态反馈控制器。首先给出闭环系统渐近稳定且具有峰-峰值性能约束的充分条件,然后给出网络控制系统状态反馈控制器L1控制率的设计方法,最后利用LMI工具箱求解控制器参数。数值算例结果证明了该方法的可行性。 |
中文关键词:网络控制系统 峰-峰值性能约束 L1控制 线性矩阵不等式 |
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Robust L1Control for a Class of Linear Networked Control Systems |
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Abstract:This paper is concerned with the robust L1 control problem for a class of linear networked control systems (NCS). The NCS with communication delays and packets dropouts is modeled as a linear time varying delay system, methods of Lyapunov theory and LMI are applied to design a state feedback controller with robust L1 constraint. Firstly, the sufficient condition is given for ensure the closed loop system asymptotically stable with constraint of peak peak performance, and then the design method of NSC state feedback with L1 control law is obtained. Finally, the controller parameter is calculated by LMI tool box. Numerical examples demonstrate the validity of the proposed approach. |
keywords:networked control systems peak peak performance L1 control LMI |
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