Finite-time adaptive fuzzy tracking control for stochastic nonlinear systems with time-delay via output-feedback

被引：1

作者：

Fu, Zhumu ^{[1
,2
]}

Lei, Xinyu ^{[1
]}

Tao, Fazhan ^{[1
,3
]}

Wang, Nan ^{[1
,2
,3
]}

Chen, Qihong ^{[4
]}

机构：

[1] Henan Univ Sci & Technol, Coll Informat Engn, Luoyang 471023, Peoples R China

[2] Henan Univ Sci & Technol, Key Lab Robot & Intelligent Syst Henan Prov, Luoyang, Peoples R China

[3] Longmen Lab, Intelligent Syst Sci & Technol Innovat Ctr, Luoyang, Peoples R China

[4] Wuhan Univ Technol, Sch Automat, Wuhan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING | 2023年 / 37卷 / 07期

基金：

中国国家自然科学基金;

关键词：

adaptive tracking control; finite-time control; fuzzy logic systems; state observer; stochastic nonlinear systems; time-delay;

D O I：

10.1002/acs.3606

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, the finite-time adaptive fuzzy tracking control issue for stochastic nonlinear systems with time-delay via output-feedback is studied. Firstly, a state observer and fuzzy logic systems with infinite approximation capability are utilized to estimate the unmeasured states and identify unknown nonlinear characteristics, respectively. Then, a finite-time adaptive fuzzy tracking controller is devised by the backstepping technology. It is shown that the presented control scheme can ensure the finite-time square stability of the stochastic nonlinear systems with time-delay, that is, the output tracking error converges to a sufficiently small neighborhood around the origin in finite-time, and all signals of the closed-loop system are bounded. Finally, the effectiveness of the presented control strategy is illustrated via two simulation examples.

引用

页码：1920 / 1939

页数：20

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