无线网络控制系统建模与鲁棒控制分析

Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (9): 2189-2194.

无线网络控制系统建模与鲁棒控制分析

王艳, 张东彪, 纪志成

江南大学电气自动化研究所, 江苏, 无锡, 214122

收稿日期:2008-08-01 修回日期:2009-03-03 出版日期:2009-09-20 发布日期:2010-01-03
作者简介:王艳(1978- ),女,副教授,博士,主要研究方向为网络控制系统、智能控制.E-mail:wangyan@jiangnan.edu.cn
基金资助:
高等学校博士学科点专项科研基金新教师基金(200802951032);中国博士后科学基金(20080431066);江苏省博士后基金(0801001B)资助课题

Modeling and robust control of wireless networked control system

WANG Yan, ZHANG Dong-biao, JI Zhi-cheng

Inst. of Electrical Automation, Jiangnan Univ., Wuxi 214122, China

Received:2008-08-01 Revised:2009-03-03 Online:2009-09-20 Published:2010-01-03

摘要/Abstract

摘要： 针对无线网络控制系统(wireless networked control system,WINCS)中长网络诱导时延对系统稳定性的影响,通过将不确定时延等效为系统参数的不确定性,建立了长时延WINCS的参数不确定离散时间系统模型。在该模型基础上,利用Lyapunov函数方法,获得闭环WINCS渐近稳定的充分条件。通过线性矩阵不等式形式,给出了WINCS状态反馈控制器的参数化设计方法。最后通过数值仿真验证了建模与控制方法的有效性。

Abstract: As for the influence of the long network-induced delay on the system stability,by equaling the uncertain delay to the uncertainties of system parameters,a discrete system model with uncertain parameters of WINCS is established.Based on this model,the asymptotically stable conditions for a closed-loop wireless networked control system are proposedby using Lyapunov function method,and also a state feedback controller design method is given in terms of linear matrix inequality(LMI).Finally,the proposed model and the control method are proved to be effective through a numerical emulation.

中图分类号:

TP273

王艳, 张东彪, 纪志成. 无线网络控制系统建模与鲁棒控制分析[J]. Journal of Systems Engineering and Electronics, 2009, 31(9): 2189-2194.

WANG Yan, ZHANG Dong-biao, JI Zhi-cheng . Modeling and robust control of wireless networked control system[J]. Journal of Systems Engineering and Electronics, 2009, 31(9): 2189-2194.

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