Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization

This paper investigates adaptive output feedback control problem for switched uncertain nonlinear systems with input quantization, unmeasured system states and state constraints. Firstly, fuzzy logic systems are introduced to identify system uncertainties, then the fuzzy based observer is constructe...

Full description

Bibliographic Details
Main Authors: Shuyan Qi, Jun Zhao, Li Tang
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/11/3/788
_version_ 1797623830821208064
author Shuyan Qi
Jun Zhao
Li Tang
author_facet Shuyan Qi
Jun Zhao
Li Tang
author_sort Shuyan Qi
collection DOAJ
description This paper investigates adaptive output feedback control problem for switched uncertain nonlinear systems with input quantization, unmeasured system states and state constraints. Firstly, fuzzy logic systems are introduced to identify system uncertainties, then the fuzzy based observer is constructed to estimate unavailable states. Secondly, combing the backstepping technique and the barrier Lyapunov function method, an adaptive fuzzy output feedback control law is designed, which guarantees that all signals in the closed-loop system are bounded, the system output tracks the reference signal, and system states satisfy their corresponding constraint conditions. Finally, simulation results further show the good performances of the proposed control scheme.
first_indexed 2024-03-11T09:34:23Z
format Article
id doaj.art-61cc52e247d3408b86ed0ca184ac20d5
institution Directory Open Access Journal
issn 2227-7390
language English
last_indexed 2024-03-11T09:34:23Z
publishDate 2023-02-01
publisher MDPI AG
record_format Article
series Mathematics
spelling doaj.art-61cc52e247d3408b86ed0ca184ac20d52023-11-16T17:24:36ZengMDPI AGMathematics2227-73902023-02-0111378810.3390/math11030788Adaptive Output Feedback Control for Constrained Switched Systems with Input QuantizationShuyan Qi0Jun Zhao1Li Tang2State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang 110819, ChinaState Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang 110819, ChinaCollege of Science, Liaoning University of Technology, Jinzhou 121000, ChinaThis paper investigates adaptive output feedback control problem for switched uncertain nonlinear systems with input quantization, unmeasured system states and state constraints. Firstly, fuzzy logic systems are introduced to identify system uncertainties, then the fuzzy based observer is constructed to estimate unavailable states. Secondly, combing the backstepping technique and the barrier Lyapunov function method, an adaptive fuzzy output feedback control law is designed, which guarantees that all signals in the closed-loop system are bounded, the system output tracks the reference signal, and system states satisfy their corresponding constraint conditions. Finally, simulation results further show the good performances of the proposed control scheme.https://www.mdpi.com/2227-7390/11/3/788switched systemsfuzzy observerinput quantizationstate constraints
spellingShingle Shuyan Qi
Jun Zhao
Li Tang
Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
Mathematics
switched systems
fuzzy observer
input quantization
state constraints
title Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
title_full Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
title_fullStr Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
title_full_unstemmed Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
title_short Adaptive Output Feedback Control for Constrained Switched Systems with Input Quantization
title_sort adaptive output feedback control for constrained switched systems with input quantization
topic switched systems
fuzzy observer
input quantization
state constraints
url https://www.mdpi.com/2227-7390/11/3/788
work_keys_str_mv AT shuyanqi adaptiveoutputfeedbackcontrolforconstrainedswitchedsystemswithinputquantization
AT junzhao adaptiveoutputfeedbackcontrolforconstrainedswitchedsystemswithinputquantization
AT litang adaptiveoutputfeedbackcontrolforconstrainedswitchedsystemswithinputquantization