Robust Observer Design for Lipschitz Nonlinear Systems using Quadratic Polynomial Constraints

被引：0
|
作者：
Wang, Yan [1 ]
Bevly, David M. [1 ]
机构：
[1] Auburn Univ, Dept Mech Engn, Auburn, AL 36830 USA
来源：
2012 IEEE 51ST ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC) | 2012年
关键词：
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 discusses the observer design for the uncertain Lipschitz nonlinear systems. A new stability analysis method for the Lure problem is first presented. Then, a nonlinear observer is proposed so that the observer error dynamic model can be transformed to an equivalent Lure system in which the input-output relationship of the nonlinear memoryless block is belong to the semi-algebraic set defined by several quadratic polynomial constraints. A sufficient condition for the exponential stability of the observer error dynamics is formulated in terms of the feasibility of linear matrix inequalities (LMIs).
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收藏
页码：6621 / 6626
页数：6
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