Disturbance Observer-Based Adaptive Fuzzy Control for Strict-Feedback Nonlinear Systems With Finite-Time Prescribed Performance

This article studies the disturbance observer-based adaptive fuzzy finite-time control issue of strict-feedback nonlinear systems. Specifically, to meet practical application requirement, the finite-time prescribed performance is considered, which can guarantee the tracking error enters into the pre...

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Bibliographic Details
Published in:IEEE transactions on fuzzy systems Vol. 30; no. 4; pp. 1175 - 1184
Main Authors: Qiu, Jianbin, Wang, Tong, Sun, Kangkang, Rudas, Imre J., Gao, Huijun
Format: Journal Article
Language:English
Published: New York IEEE 01.04.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Adaptive control
Adaptive systems
Disturbance observer
Disturbance observers
Feedback control
finite-time prescribed performance
Fuzzy control
Fuzzy logic
Nonlinear control
Nonlinear systems
strict-feedback nonlinear systems
Switched systems
Switches
Tracking errors
ISSN:1063-6706, 1941-0034
Online Access:Get full text
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Summary:This article studies the disturbance observer-based adaptive fuzzy finite-time control issue of strict-feedback nonlinear systems. Specifically, to meet practical application requirement, the finite-time prescribed performance is considered, which can guarantee the tracking error enters into the prescribed bounded set in a known time. A disturbance observer is proposed to estimate the external disturbance. It is proved that the closed-loop system is semi-globally practically finite-time stable. Finally, simulation studies for a one-link manipulator are shown to verify the effectiveness of the proposed approach.
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ISSN:1063-6706
1941-0034
DOI:10.1109/TFUZZ.2021.3053327