Adaptive Fuzzy Predefined-Time Tracking Control Design for Nonstrict-Feedback High-Order Nonlinear Systems With Input Quantization

IF 10.7 1区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
Shuai Sui;Lin Zhao;C. L. Philip Chen
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引用次数: 0

Abstract

This article studies the problem of an adaptive fuzzy predefined-time tracking control approach for a type of uncertain nonstrict-feedback high-order nonlinear systems with input quantization. The considered plants contain unknown nonlinear functions, input quantization, and external disturbances. Based on the backstepping recursive technique and predefined-time stability criterion, a fuzzy adaptive predefined-time control strategy is presented. To address the difficulties posed by the uncertain nonlinearities within the original systems, the fuzzy logic systems are incorporated into estimate the unknown nonlinear functions, while power integrator technology is used to overcome the hurdle presented by high-order terms. Using the predefined-time Lyapunov stability theory, the system stability analysis is provided, and it is proved that all signals in the closed-loop system are bounded within the preset time interval. Ultimately, the effectiveness of the presented control approach is corroborated through numerical simulation.
带输入量化的非严格反馈高阶非线性系统的自适应模糊预定义时间跟踪控制设计
本文研究了一种自适应模糊预定义时间跟踪控制方法,适用于带有输入量化的不确定非严格反馈高阶非线性系统。所考虑的植物包含未知非线性函数、输入量化和外部干扰。基于反步递归技术和预定义时间稳定性准则,提出了一种模糊自适应预定义时间控制策略。为了解决原始系统中不确定非线性带来的困难,将模糊逻辑系统纳入到未知非线性函数的估计中,同时使用功率积分器技术来克服高阶项带来的障碍。利用预定义时间 Lyapunov 稳定性理论进行了系统稳定性分析,证明闭环系统中的所有信号都在预设的时间间隔内。最后,通过数值模拟证实了所提出的控制方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Fuzzy Systems
IEEE Transactions on Fuzzy Systems 工程技术-工程:电子与电气
CiteScore
20.50
自引率
13.40%
发文量
517
审稿时长
3.0 months
期刊介绍: The IEEE Transactions on Fuzzy Systems is a scholarly journal that focuses on the theory, design, and application of fuzzy systems. It aims to publish high-quality technical papers that contribute significant technical knowledge and exploratory developments in the field of fuzzy systems. The journal particularly emphasizes engineering systems and scientific applications. In addition to research articles, the Transactions also includes a letters section featuring current information, comments, and rebuttals related to published papers.
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