Design of robust output-feedback repetitive controller for class of linear systems with uncertainties

查看全文 作　　者：WU [1]Min;ZHOU [1]Lan;SHE [2]JinHua;HE [1]Yong

机构地区：[1]School of Information Science and Engineering, Central South University, Changsha 410083, China;[2]School of Computer Science, Tokyo University of Technology, Tokyo 192-0982, Japan

出　　处：《Science China(Information Sciences)》索引2010年第53卷第5期,共10页

基　　金：supported by the National Natural Science Foundation of China (Grant No. 60674016);the National Science Fund for Distinguished Youth Scholars of China (Grant No. 60425310) 摘　　要：Repetitive control, which adds a human-like learning capability to a control system, is widely used in many fields. This paper deals with the problem of designing a robust repetitive-control system based on output feedback for a class of plants with time-varying structured uncertainties. A continuous-discrete two-dimensional hybrid model is established that accurately describes the features of repetitive control so as to enable independent adjustment of the control and learning actions. A sufficient condition for the robust stability of the repetitivecontrol system is given in terms of a linear matrix inequality. The condition is then used to obtain the parameters of the repetitive controller. Finally, a numerical example demonstrates the effectiveness of the method. 关键词：输出反馈控制器不确定性线性系统重复控制器线性矩阵不等式计重时变不确定性二维混合模型控制系统

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Design of robust output-feedback repetitive controller for class of linear systems with uncertainties

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