Semi-global stabilisation of uncertain non-linear systems by homogeneous output feedback controllers

被引：25

作者：

Jia, R. ^{[1
]}

Qian, C. ^{[1
]}

Zhai, J. ^{[2
]}

机构：

[1] Univ Texas San Antonio, Dept Elect & Comp Engn, San Antonio, TX 78249 USA

[2] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China

来源：

IET CONTROL THEORY AND APPLICATIONS | 2012年 / 6卷 / 01期

基金：

美国国家科学基金会; 高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

OBSERVER DESIGN; PARTIAL STATE; STABILIZABILITY; DOMINATION;

D O I：

10.1049/iet-cta.2010.0503

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 study considers the problem of semi-global finite-time stabilisation by output feedback for a class of uncertain non-linear systems with both higher-order and lower-order terms, to which the existing design schemes are inapplicable. Based on the homogeneous domination approach, a scaled homogeneous output feedback controller is constructed to semi-globally stabilise the system in a finite time by choosing an appropriate gain. The proposed approach not only achieves finite-time convergence, but also widens the applicability to broader classes of systems with mixed-order non-linearities and a non-triangular structure.

引用

页码：165 / 172

页数：8

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