具有快变时延和丢包的网络控制系统镇定  

Stabilization of networked control systems with fast-varying delay and packet-dropout

作　　者：张冬梅[1] 俞立[2] 周明华[1] 

机构地区：[1]浙江工业大学理学院,浙江杭州310032 [2]浙江工业大学信息学院,浙江杭州310032

出　　处：《控制理论与应用》2008年第3期480-484,共5页Control Theory & Applications

基　　金：国家杰出青年科学基金(60525304);国家自然科学基金(60604015);工业控制技术国家重点实验室开放课题基金(0708009)．

摘　　要：对一类网络控制系统,研究了变时延和数据丢包对闭环系统稳定性的影响.基于Lyapunov-Krasovskii方法.给出了闭环系统的稳定条件.该条件不依赖于时延变化率的上界.通过求解一个适当的线性矩阵不等式(LMI)得到控制增益矩阵,求解时不需要对矩阵的结构进行限制,也不必使用重复迭代.最后,给出了一个数值例子以说明方法的有效性.The stability of networked control systems, subjected to time-varying delay and data-packet-dropout is considered. Based on Lyapunov-Krasovskii approach, new stability criteria, which are irrelevant to the bound of the derivative of the delay, are proposed for the closed-loop systems. The controller gain matrix is obtained by solving a linear matrix inequality （LMI）. No constrain is imposed to the matrix structure, and no iterative operation is employed. A numerical example is given to illustrate the effectiveness of the proposed method.

关 键 词：网络控制系统 时变时延 丢包 线性矩阵不等式 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]