Adaptive Fuzzy Output-Feedback Tracking Control for a Class of Switched Stochastic Nonlinear Time-Delay Systems

被引：24

作者：

Liu, Yanli ^{[1
,2
]}

Niu, Ben ^{[1
,2
]}

Chu, Fei ^{[3
]}

Liu, Yanyan ^{[4
]}

机构：

[1] Bohai Univ, Coll Math & Phys, Jinzhou 121013, Liaoning, Peoples R China

[2] Bohai Univ, Automat Res Inst, Jinzhou 121013, Liaoning, Peoples R China

[3] China Univ Min & Technol, Jiangsu Prov Lab Elect & Automat Engn Coal Min, Xuzhou 221116, Jiangsu, Peoples R China

[4] AVIC Shenyang Engine Design & Res Inst, Shenyang 110015, Liaoning, Peoples R China

来源：

CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2016年 / 35卷 / 08期

关键词：

Switched stochastic systems; Adaptive fuzzy control; Output-feedback; Time-delay; Reduced-order observer; AVERAGE DWELL TIME; H-INFINITY CONTROL; LINEAR-SYSTEMS; BACKSTEPPING CONTROL; STATE-FEEDBACK; STABILIZATION; STABILITY; DESIGN; UNCERTAINTIES; DRIVEN;

D O I：

10.1007/s00034-015-0174-6

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a design scheme for an adaptive fuzzy tracking controller is proposed for a class of switched stochastic nonlinear time-delay systems via dynamic output-feedback. First, a reduced-order observer is introduced to estimate the unmeasurable states of the switched system. During the adaptive controller design procedure, an appropriate stochastic Lyapunov-Krasovskii functional deals with the time-delay terms, and fuzzy logic systems are employed to approximate the unknown nonlinearities. Based on the designed controller, the semi-globally uniform ultimate boundedness of all the closed-loop signals is guaranteed and the tracking error converges to a small neighborhood of the origin. Finally, a simulation example is given to illustrate the validity of the proposed approach.

引用

页码：2762 / 2788

页数：27

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