Sampled-Data Semi-Global Robust Output Regulation for a Class of Nonlinear Systems  

作　　者：LIU Wei HUANG Jie 

机构地区：[1]School of Automation Science and Engineering,South China University of Technology,Guangzhou 510641,China [2]Shenzhen Research Institute,The Chinese University of Hong Kong,Shenzhen 518057,China [3]Department of Mechanical and Automation Engineering,The Chinese University of Hong Kong,Shatin,N.T.,Hong Kong 999077,China

出　　处：《Journal of Systems Science & Complexity》2021年第5期1743-1765,共23页系统科学与复杂性学报（英文版）

基　　金：the Research Grants Council of the Hong Kong Special Administration Region under Grant No.14202619;the National Natural Science Foundation of China under Grant No.61633007;the National Natural Science Foundation of China under Grant No.61973260。

摘　　要：This paper investigates the semi-global robust output regulation problem for a class of uncertain nonlinear systems via a sampled-data output feedback control law.What makes the results interesting is that the nonlinearities of the proposed system do not have to satisfy linear growth condition and the uncertain parameters of our system are allowed to belong to some arbitrarily large prescribed compact subset.Two cases are considered.The first case is that the exogenous signal is constant.The second case is that the exogenous signal is time-varying and bounded.For the first case,the authors solve the problem exactly in the sense that the tracking error approaches zero asymptotically.For the second case,the authors solve the problem practically in the sense that the steady-state tracking error can be made arbitrarily small.Finally,an example is given to illustrate the effectiveness of our approach.

关 键 词：Internal model nonlinear systems robust output regulation sampled-data control 

分 类 号：O231[理学—运筹学与控制论]