OBSERVER-BASED ADAPTIVE FUZZY CONTROL OF TIME-DELAY UNCERTAIN NONLINEAR SYSTEMS

Reza Shahnazi; Naser Pariz; Ali Vahidian Kamyad

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OBSERVER-BASED ADAPTIVE FUZZY CONTROL OF TIME-DELAY UNCERTAIN NONLINEAR SYSTEMS

机译：OBSERVER-BASED ADAPTIVE FUZZY CONTROL OF TIME-DELAY UNCERTAIN NONLINEAR SYSTEMS

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摘要

An observer-based adaptive fuzzy model following controller is proposed for a class of MIMO nonlinear uncertain systems to cope with time-delay, uncertainty in plant structure and disturbances. Based on universal approximation theorem the unknown nonlinear functions are approximated by fuzzy systems, where the premise and the consequent parts of the fuzzy rules are tuned with adaptive schemes. To have more robustness, and at the same time to alleviate chattering, an adaptive discontinuous structure is suggested. Moreover, the availability of the states measurement is not required and an adaptive observer is used to estimate the states. Asymptoic stability of the overall system is ensured using suitable a Lyapunov-Krasovskii functional candidate.

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来源
《Asian Journal of Control: Affiliated with ACPA, the Asian Control Professors' Association》 |2011年第3期|456-460|共5页
作者
Reza Shahnazi; Naser Pariz; Ali Vahidian Kamyad;
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作者单位

Department of Electrical Engineering and School of Mathematics Ferdowsi University of Mashhad, Department of Electrical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad;

Department of Electrical Engineering, Islamic Azad University, South Tehran Branch;

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原文格式 PDF
正文语种英语
中图分类自动控制理论;
关键词
Nonlinear time-delay systems; Universal approximation; Adaptive control; Lyapunov-Krasovskii functional;

OBSERVER-BASED ADAPTIVE FUZZY CONTROL OF TIME-DELAY UNCERTAIN NONLINEAR SYSTEMS

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