Technical Briefs

Semiglobal Output Feedback Stabilization of a Generalized Class of MIMO Nonlinear Systems

[+] Author and Article Information
Junyong Zhai

 School of Automation, Southeast University, Jiangsu 210096, China

Chunjian Qian1

Department of Electrical and Computer Engineering,  The University of Texas at San Antonio, 1 UTSA Circle, San Antonio, TX 78249 e-mail: chunjiang.qian@utsa.edu

Hui Ye

School of Mathematics and Physics,  Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212000, China


Corresponding author.

J. Dyn. Sys., Meas., Control 133(6), 064501 (Nov 11, 2011) (5 pages) doi:10.1115/1.4004600 History: Received September 27, 2010; Accepted March 27, 2011; Published November 11, 2011; Online November 11, 2011

This paper considers the problem of semiglobal stabilization by output feedback for a class of generalized multi-input and multi-output uncertain nonlinear systems. Due to the presence of mismatched uncertainties and the lack of triangularity condition, the systems under consideration are not uniformly completely observable. Combining the output feedback domination approach and block-backstepping scheme together, a series of linear output feedback controllers are constructed recursively for each subsystems and the closed-loop system is rendered semiglobally asymptotically stable.

Copyright © 2011 by American Society of Mechanical Engineers
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Grahic Jump Location
Figure 1

The curves of the states and their estimations for initial condition [ζ1(0),ζ2(0),η1(0),η2(0),ζ∧1(0),ζ∧2(0),η∧1(0),η∧2(0)]=[0.1,0.2,0.4,0.8,0,0,0,0].



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