一类不确定时延非线性大系统的分散控制

方炜; 姜长生; 朱亮

doi:10.7523/j.issn.2095-6134.2007.1.019

中国科学院大学学报 >

2007 , Vol. 24 >Issue 1: 124 - 130

DOI: https://doi.org/10.7523/j.issn.2095-6134.2007.1.019

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一类不确定时延非线性大系统的分散控制

方炜 ,
姜长生 ,
朱亮

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南京航空航天大学自动化学院

收稿日期: 1900-01-01

修回日期: 1900-01-01

网络出版日期: 2007-01-15

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Decentralized Control of Nonlinear Uncertain Large-scale Systems with Interconnect-delay Using Dynamic Output Feedback

FANG Wei ,
JIANG Chang-Sheng ,
ZHU Liang

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Department of Automatic Control Engineering,
Nanjing University of Aeronautics and Astronautics

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2007-01-15

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摘要

本文研究了一类具有关联延迟和系统参数不确定的非线性大系统的分散控制问题,系统的匹配/非匹配不确定参数范数有界。首先基于状态观测器设计时延独立的动态输出反馈控制律，并根据稳定性理论推导并证明了在该控制律作用下系统稳定的充分条件。最后给出一个数值例子来说明本文结果的可行性，仿真结果表明设计出的控制器不仅使得闭环系统稳定而且保证系统不受参数不确定和时延的影响。

关键词： 非线性大系统; 分散控制; 动态输出反馈; 状态观测器; 关联时延

本文引用格式

方炜 , 姜长生 , 朱亮 . 一类不确定时延非线性大系统的分散控制[J]. 中国科学院大学学报, 2007 , 24(1) : 124 -130 . DOI: 10.7523/j.issn.2095-6134.2007.1.019

Abstract

In this paper ,the problem of decentralized control is studied for a class of time-varying nonlinear large-scale systems with interconnect-delay , in which both unmatched uncertainties and matched uncertainties are considered by norm bounding functions . Based on the state observer, a delay-independent dynamic output feedback controller is presented to the controlled systems, With the stabilization theory , a sufficient condition for the closed-loop system’s stability is derived. Finally, a numerical example is provided to illustrate the effectiveness of the paper’s result. it not only shows close-loop stability but also illustrate the system are unaffected when uncertainties and delay are present in the subsystems and interconnections.

Key words： nonlinear large-scale systems; decentralized control; dynamic output feedback; state observer; interconnect-delay.

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