Robust decentralized adaptive stabilization for a class of interconnected systems with unmodelled dynamics

Authors:
Zhao-Jing Wu;Xue-Jun Xie;Si-Ying Zhang
Affiliations:
Institute of Automation, Qufu Normal University, Qufu, Shandong Province 273165, PR China;Institute of Automation, Qufu Normal University, Qufu, Shandong Province 273165, PR China;School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning Province 110004, P.R. China
Venue:
International Journal of Systems Science
Year:
2004

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Abstract

This paper considers the problem of robust decentralized adaptive output feedback stabilization for a class of interconnected systems with static and dynamic interconnections, and unmodelled dynamics by using MT filters and the back-stepping design method. It is shown that the closed-loop system is globally, stable, and the asymptotic convergence of all the signals except for the parameter estimates can be guaranteed. The result is better than those obtained in other related papers. The effectiveness of the proposed scheme is demonstrated by simulation.