Adaptive control of a class of discrete-time MIMO nonlinear systems with uncertain couplings

被引：50
|
作者：
Yang, Chenguang [3 ]
Li, Yanan [2 ]
Ge, Shuzhi Sam [1 ,4 ]
Lee, Tong Heng [4 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Intelligent Syst & Informat Technol, Chengdu 610054, Peoples R China
[2] Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Singapore 119613, Singapore
[3] Univ London Imperial Coll Sci Technol & Med, Dept Bioengn, London SW7 2AZ, England
[4] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
来源：
INTERNATIONAL JOURNAL OF CONTROL | 2010年 / 83卷 / 10期
关键词：
adaptive control; MIMO discrete-time systems; couplings; OUTPUT-FEEDBACK; NEURAL-CONTROL; ROBUST-CONTROL; STABILIZATION; TRACKING; FORMS;
D O I：
10.1080/00207179.2010.508092
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 article, adaptive control is investigated for a class of discrete-time multi-input-multi-output nonlinear systems in block-triangular form with uncertain couplings of delayed states among subsystems. Future states prediction is carried out to facilitate adaptive control design and auxiliary outputs are introduced to develop a novel compensation mechanism for the uncertain nonlinear couplings. By using Lyapunov method and ordering signals growth rate, it is rigorously proved that all the signals in the whole closed-loop systems are globally bounded and the output tracking errors asymptotically converge to zeros. The effectiveness of the proposed control is demonstrated in the simulation study.
引用
收藏
页码：2120 / 2133
页数：14
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