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Output Feedback Stabilization of a Class of MIMO Uncertain Non-affine Nonlinear Systems

by Zhenfeng Chen, Xuhong Zhang, Zhongsheng Wang
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 124 - Number 17
Year of Publication: 2015
Authors: Zhenfeng Chen, Xuhong Zhang, Zhongsheng Wang
10.5120/ijca2015905777

Zhenfeng Chen, Xuhong Zhang, Zhongsheng Wang . Output Feedback Stabilization of a Class of MIMO Uncertain Non-affine Nonlinear Systems. International Journal of Computer Applications. 124, 17 ( August 2015), 1-5. DOI=10.5120/ijca2015905777

@article{ 10.5120/ijca2015905777,
author = { Zhenfeng Chen, Xuhong Zhang, Zhongsheng Wang },
title = { Output Feedback Stabilization of a Class of MIMO Uncertain Non-affine Nonlinear Systems },
journal = { International Journal of Computer Applications },
issue_date = { August 2015 },
volume = { 124 },
number = { 17 },
month = { August },
year = { 2015 },
issn = { 0975-8887 },
pages = { 1-5 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume124/number17/22196-2015905777/ },
doi = { 10.5120/ijca2015905777 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:14:38.895250+05:30
%A Zhenfeng Chen
%A Xuhong Zhang
%A Zhongsheng Wang
%T Output Feedback Stabilization of a Class of MIMO Uncertain Non-affine Nonlinear Systems
%J International Journal of Computer Applications
%@ 0975-8887
%V 124
%N 17
%P 1-5
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, robust control design is presented for a general class of uncertain non-affine nonlinear systems. The design employs feedback linearization, coupled with two high-gain observers— the first to estimate the feedback linearization error based on the full state information; the second to estimate the unmeasured states of the system when only the system output is available for feedback. All the signals in the closed loop are guaranteed to be uniform ultimate bounded and the output of the system is proven to converge to a small neighborhood of the origin. The proposed approach not only handles the difficulty in controlling non-affine nonlinear systems, but also simplifies the stability analysis of the closed loop due to its simple control structure.

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Index Terms

Computer Science
Information Sciences

Keywords

Output feedback control multi-input/multi-output (MIMO) nonlinear systems uncertainty

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