Adaptive Asymptotic Rejection of Unmatched General Periodic Disturbances in Output-Feedback Nonlinear Systems

被引：17

作者：

Chen, Pengnian ^{[1
]}

Sun, Mingxuan ^{[2
]}

Yan, Qiuzhen ^{[2
]}

Fang, Xueyi ^{[3
]}

机构：

[1] China Jiliang Univ, Coll Mechatron Engn, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Univ Technol, Coll Informat Engn, Hangzhou 310023, Zhejiang, Peoples R China

[3] Zhejiang Univ, State Key Lab Ind Control Technol, Hangzhou 310027, Zhejiang, Peoples R China

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2012年 / 57卷 / 04期

关键词：

Adaptive control; nonlinear systems; periodic disturbances; SINUSOIDAL DISTURBANCES;

D O I：

10.1109/TAC.2011.2173409

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This note deals with asymptotic rejection of periodic disturbances in a class of nonlinear systems via output feedback. The disturbance undertaken is unmatched but the period of the disturbance is known. A novel method for estimating periodic disturbances is proposed, which ensures convergence of the estimation error to zero. By applying such estimation, a controller is constructed such that all the signals in the closed loop are bounded and the output converges to zero. A numerical example is presented to show the utility of the results presented in the note.

引用

页码：1056 / 1061

页数：6

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