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多包传输网络控制系统的H_∞控制器设计
H_∞ Controller Design for Networked Control System with Multi-packet Transmission
【摘要】 针对多包传输网络控制系统的鲁棒性,提出实现H∞性能时的控制器设计方法.根据特性将系统建模为切换系统,利用分段Lyapunov函数对系统的稳定性及H∞性能进行论证,并以线性矩阵不等式(LMI)形式给出H∞控制器需满足的条件.通过对实例H∞控制器的实现,来证明结果的有效性、正确性.
【Abstract】 To analyze the robustness of NCS(networked control system) with multi-packet transmission,a method of controller designing is proposed to realize the system H∞ performance.Based on its character,system is modeled as switching system.Piecewise Lyapunov function is utilized to demonstrate the stability and H∞ performance of the system.Then the condition is presented which the controller of H∞ should be satisfied via LMI(linear matrix inequality).An example is provided to illustrate the validity of method by realizing the controller of H∞.
【关键词】 切换系统;
H∞理论;
分段Lyapunov函数;
线性矩阵不等式;
网络控制系统;
【Key words】 Switching System; H∞ Theory; Piecewise Lyapunov function; LMI; NCS;
【Key words】 Switching System; H∞ Theory; Piecewise Lyapunov function; LMI; NCS;
【基金】 国家自然科学基金项目资助(批准号:60573123,60573056)
- 【文献出处】 武汉理工大学学报(交通科学与工程版) ,Journal of Wuhan University of Technology(Transportation Science & Engineering) , 编辑部邮箱 ,2007年04期
- 【分类号】TP273
- 【被引频次】7
- 【下载频次】155