Adaptive State Disturbance Observer Design for Nonlinear System with Unknown Lipschitz Constant

被引：0

作者：

Han, Jian ^{[1
]}

Zhang, Huaguang ^{[1
,2
]}

Wang, Yingchun ^{[1
]}

Liu, Xiuhua ^{[1
]}

机构：

[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China

[2] Northeastern Univ, State Key Lab Synthet Automat Proc Ind, Shenyang 110819, Peoples R China

来源：

2015 CHINESE AUTOMATION CONGRESS (CAC) | 2015年

关键词：

unknown Lipschitz constant; adaptive observer; disturbance estimation; STABILITY;

D O I：

暂无

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 paper addresses the problem of state and disturbance estimation for Lipschitz nonlinear system with disturbance. The disturbance is generated by an exogenous system with additional unmodeled disturbance. Adaptive state observer and disturbance observer, including H-infinity performance level and a regional pole constraint, are designed, simultaneously. Compared with the existing results, Lipschitz constant does not appear in the observers, which means that our method can deal with the case that the Lipschitz constant is big or unknown. At the end of the paper, the simulation shows the effectiveness of the proposed method.

引用

页码：880 / 885

页数：6

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