Robust H∞ Stabilization of a Nonlinear Uncertain System via a Stable Nonlinear Output Feedback Controller

被引：1

作者：

Harno, Hendra G. ^{[1
]}

Petersen, Ian R. ^{[1
]}

机构：

[1] Univ New S Wales, Australian Def Force Acad, Sch Informat Technol & Elect Engn, Canberra, ACT 2600, Australia

来源：

2009 AMERICAN CONTROL CONFERENCE, VOLS 1-9 | 2009年

关键词：

D O I：

10.1109/ACC.2009.5160033

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new approach to solving a nonlinear robust H-infinity control problem using a stable nonlinear output feedback controller is presented in this paper. The particular class of nonlinear uncertain systems being considered is characterized in terms of Integral Quadratic Constraints and Global Lipschitz Conditions describing the admissible uncertainty and nonlinearity, respectively. The nonlinear controller is then constructed by including a copy of the system nonlinearity in the structure of the linear controller. The aim is to enable the controller to exploit the nonlinearity of the system such that it will absolutely stabilize the closed loop nonlinear system and achieve a specified disturbance attenuation level. This method involves the stabilizing solutions of a pair of algebraic Riccati equations.

引用

页码：3693 / 3699

页数：7

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