NDLI: Fixed-time adaptive fuzzy control for uncertain non-linear systems under event-triggered strategy

Content Provider	IET Digital Library
Author	Yang, Yekai Niu, Yugang
Abstract	This study is devoted to the fixed-time tracking control problem for a class of uncertain strict-feedback non-linear system. An event-triggering mechanism is introduced into the channel from controller to actuator for decreasing the transmission frequency of the control signal. By means of fuzzy logic system to approximate the lumped unknown non-linearities, an event-triggered adaptive fuzzy control strategy is developed such that all signals of the resulting closed-loop system converge to the bounded domain within a fixed-time, while the tracking error will reach an adjustable residue set. A key feature of the proposed control strategy is that the fixed-time is independent of the initial states of the controlled system, which is different from some existing works on finite-time stability. Thus, the similar control performance can be attained for arbitrary bounded initial states in this work. Finally, the proposed fixed-time control scheme is verified via two simulation examples.
Starting Page	1845
Ending Page	1854
Page Count	10
ISSN	17518644
Volume Number	14
e-ISSN	17518652
Issue Number	Issue 14, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/14/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2019.1274
Journal	IET Control Theory & Applications
Publisher Date	2020-04-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Closed Loop System Control Signal Control System Analysis Control System Synthesis Controlled System Event-triggered Adaptive Fuzzy Control Strategy Event-triggered Strategy Event-triggering Mechanism Feedback Finite-time Stability Fixed-time Control Scheme Fixed-time Tracking Control Problem Fuzzy Control Fuzzy Logic System Initial State Linear System Neurocontrollers Nonlinear Control System Nonlinear System Nonlinearities Resulting Closed-loop System Converge Robust Control Self Adjusting Control System Similar Control Performance Stability Stability in Control Theory Strict-feedback Nonlinear System Synthesis Method Time Adaptive Fuzzy Control Tracking Error Uncertain System
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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