Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints

An event-triggered-based adaptive fuzzy control strategy is proposed for full state constraints nonlinear systems against time-varying disturbance, non-strict feedback structure, and input delay in this paper. Fuzzy logic systems (FLSs) are implemented to estimate the unknown nonlinear functions in...

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Main Authors: Zhongjun Yang, Kaixuan Wang, Qi Wu
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10274957/
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author Zhongjun Yang
Kaixuan Wang
Qi Wu
author_facet Zhongjun Yang
Kaixuan Wang
Qi Wu
author_sort Zhongjun Yang
collection DOAJ
description An event-triggered-based adaptive fuzzy control strategy is proposed for full state constraints nonlinear systems against time-varying disturbance, non-strict feedback structure, and input delay in this paper. Fuzzy logic systems (FLSs) are implemented to estimate the unknown nonlinear functions in the systems. The influence of input delay can be compensated by the method of Pade approximation, and the barrier Lyapunov function (BLF) is exploited to handle the problem of full state constraints. The input-to-state stability (ISS) assumption regarding measurement errors can be removed through the co-design of the event-triggered mechanism and the controller. Based on Lyapunov stability theory, all the signals in the closed-loop system are proved semi-globally uniformly ultimately bounded (SGUUB), and only a tiny tracking error between the system output and the reference signals, moreover, the Zeno behavior is avoided. The effectiveness of the adaptive control scheme can be verified by two simulation examples.
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spelling doaj.art-be962f063a4948d48b21416992e66b502023-10-19T23:00:48ZengIEEEIEEE Access2169-35362023-01-011111314811315910.1109/ACCESS.2023.332339510274957Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State ConstraintsZhongjun Yang0https://orcid.org/0000-0001-5549-937XKaixuan Wang1https://orcid.org/0009-0005-6869-8366Qi Wu2https://orcid.org/0009-0002-0089-0827College of Information Engineering, Shenyang University of Chemical Technology, Shenyang, ChinaCollege of Information Engineering, Shenyang University of Chemical Technology, Shenyang, ChinaCollege of Information Engineering, Shenyang University of Chemical Technology, Shenyang, ChinaAn event-triggered-based adaptive fuzzy control strategy is proposed for full state constraints nonlinear systems against time-varying disturbance, non-strict feedback structure, and input delay in this paper. Fuzzy logic systems (FLSs) are implemented to estimate the unknown nonlinear functions in the systems. The influence of input delay can be compensated by the method of Pade approximation, and the barrier Lyapunov function (BLF) is exploited to handle the problem of full state constraints. The input-to-state stability (ISS) assumption regarding measurement errors can be removed through the co-design of the event-triggered mechanism and the controller. Based on Lyapunov stability theory, all the signals in the closed-loop system are proved semi-globally uniformly ultimately bounded (SGUUB), and only a tiny tracking error between the system output and the reference signals, moreover, the Zeno behavior is avoided. The effectiveness of the adaptive control scheme can be verified by two simulation examples.https://ieeexplore.ieee.org/document/10274957/Adaptive fuzzy controlevent-triggered mechanismfull state constraintsinput delaynon-strict feedback structure
spellingShingle Zhongjun Yang
Kaixuan Wang
Qi Wu
Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
IEEE Access
Adaptive fuzzy control
event-triggered mechanism
full state constraints
input delay
non-strict feedback structure
title Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
title_full Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
title_fullStr Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
title_full_unstemmed Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
title_short Adaptive Fuzzy Event-Triggered Control for Non-Strict Feedback Nonlinear Systems With Input Delay and Full State Constraints
title_sort adaptive fuzzy event triggered control for non strict feedback nonlinear systems with input delay and full state constraints
topic Adaptive fuzzy control
event-triggered mechanism
full state constraints
input delay
non-strict feedback structure
url https://ieeexplore.ieee.org/document/10274957/
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AT kaixuanwang adaptivefuzzyeventtriggeredcontrolfornonstrictfeedbacknonlinearsystemswithinputdelayandfullstateconstraints
AT qiwu adaptivefuzzyeventtriggeredcontrolfornonstrictfeedbacknonlinearsystemswithinputdelayandfullstateconstraints