Rejection of Nonharmonic Disturbances in Nonlinear Systems With Semi-Global Stability

被引：22
作者：
Chen, Cai-Lian [1 ,2 ]
Ding, Zhengtao [3 ]
Lennox, Barry [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Dept Automat, Shanghai 200240, Peoples R China
[2] Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Peoples R China
[3] Univ Manchester, Sch Elect & Elect Engn, Control Syst Ctr, Manchester M60 1QD, Lancs, England
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2008年 / 55卷 / 12期
基金：
英国工程与自然科学研究理事会;
关键词：
Disturbance rejection; nonharmonic periodic signal; semi-global stability;
D O I：
10.1109/TCSII.2008.2009962
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An asymptotic rejection algorithm is proposed for nonlinear dynamic systems under nonharmonic periodic disturbances generated from nonlinear exosystems. The dynamic systems considered in this brief are in the normal form, a larger class of nonlinear dynamic systems than the output feedback systems. A new internal model design method is used to exploit the nonlinearities in the exosystem, together with high gain design to achieve asymptotic rejection of nonharmonic disturbances with the guaranteed semi-global stability of the overall system. An illustrative example demonstrates that the proposed algorithm can completely reject the nonharmonic periodic disturbances generated from a Van der Pol circuit.
引用
收藏
页码：1289 / 1293
页数：5
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