Adaptive control for nonlinear MIMO time-delay systems based on fuzzy approximation

被引:55
|
作者
Chen, Bing [1 ]
Liu, Xiaoping [2 ]
Liu, Kefu [2 ]
Lin, Chong [1 ]
机构
[1] Qingdao Univ, Inst Complex Sci, Qingdao 266071, Shandong, Peoples R China
[2] Lakehead Univ, Fac Engn, Thunder Bay, ON P7B 5E1, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Adaptive fuzzy control; Nonlinear MIMO system; Time delay; Backstepping design; NEURAL-NETWORK CONTROL; SMALL-GAIN APPROACH; TRACKING CONTROL; BACKSTEPPING CONTROL;
D O I
10.1016/j.ins.2012.07.058
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper focuses on the problem of adaptive control for a class of nonlinear multi-input and multi-output (MIMO) systems with time delays. A state feedback adaptive controller is constructed by backstepping technique. Fuzzy logic systems are used to approximate unknown nonlinear functions in the process of the controller design. The main advantages of the proposed approach are twofold: (1) the controller design is independent of the knowledge of the basis functions of fuzzy logic systems, and (2) the suggested approach requires only m adaptive laws to control a nonlinear time-delay system with m inputs. Simulation results illustrate the effectiveness of the proposed approach. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:576 / 592
页数:17
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