Decentralized backstepping adaptive output tracking of large-scale stochastic nonlinear systems

被引：14
|
作者：
Gao, Yongfeng [1 ]
Sun, Ximing [1 ]
Wang, Wei [1 ]
机构：
[1] Dalian Univ Technol, Sch Control Sci & Engn, Dalian 116024, Peoples R China
来源：
SCIENCE CHINA-INFORMATION SCIENCES | 2017年 / 60卷 / 12期
基金：
中国国家自然科学基金;
关键词：
stochastic nonlinear systems; adaptive control; backstepping; interconnected subsystems; tracking control; CONTROLLER-DESIGN; INTERCONNECTED SYSTEMS; FEEDBACK; STABILIZATION;
D O I：
10.1007/s11432-017-9142-3
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The problem of decentralized adaptive output tracking control of a class of interconnected stochastic nonlinear systems is considered. In the control design, decentralized state observers and backstepping techniques are applied. To eliminate the influences of interactions with other subsystems, a differentiable function is employed. It is shown that the designed local adaptive controllers can ensure that all the signals in the closed-loop system are bounded in probability. Furthermore, the tracking errors can be limited to a small residual set around the origin in the fourth moment sense and can be adjusted by choosing suitable design parameters.
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页数：11
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