Decentralized Control of Nonlinear Uncertain Large-scale Systems with Interconnect-delay Using Dynamic Output Feedback

FANG Wei; JIANG Chang-Sheng; ZHU Liang

doi:10.7523/j.issn.2095-6134.2007.1.019

Journal of University of Chinese Academy of Sciences >

2007 , Vol. 24 >Issue 1: 124 - 130

DOI: https://doi.org/10.7523/j.issn.2095-6134.2007.1.019

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Decentralized Control of Nonlinear Uncertain Large-scale Systems with Interconnect-delay Using Dynamic Output Feedback

FANG Wei ,
JIANG Chang-Sheng ,
ZHU Liang

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Department of Automatic Control Engineering,
Nanjing University of Aeronautics and Astronautics

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2007-01-15

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Abstract

In this paper ,the problem of decentralized control is studied for a class of time-varying nonlinear large-scale systems with interconnect-delay , in which both unmatched uncertainties and matched uncertainties are considered by norm bounding functions . Based on the state observer, a delay-independent dynamic output feedback controller is presented to the controlled systems, With the stabilization theory , a sufficient condition for the closed-loop system’s stability is derived. Finally, a numerical example is provided to illustrate the effectiveness of the paper’s result. it not only shows close-loop stability but also illustrate the system are unaffected when uncertainties and delay are present in the subsystems and interconnections.

Key words： nonlinear large-scale systems; decentralized control; dynamic output feedback; state observer; interconnect-delay.

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FANG Wei , JIANG Chang-Sheng , ZHU Liang . Decentralized Control of Nonlinear Uncertain Large-scale Systems with Interconnect-delay Using Dynamic Output Feedback[J]. Journal of University of Chinese Academy of Sciences, 2007 , 24(1) : 124 -130 . DOI: 10.7523/j.issn.2095-6134.2007.1.019

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