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基于自由权矩阵方法的网络控制系统鲁棒分析 预览

Robustness Analysis for Networked Control Systems Based on Free Weighting Matrices Method
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摘要 由于系统建模的误差和工作环境的变化,系统的不确定性不可避免.针对具有时变结构参数不确定性的网络控制系统,本文通过设置逻辑零阶保持器来处理错序和丢包问题,并且引入自由权矩阵消除交叉项等处理方式,推导出使闭环网络控制系统渐进稳定的充分条件.仿真结果验证了此分析结果的有效性和可行性. Due to the error of system modelling and the change of working environment, the uncertainty of the system is inevitable. This paper presents an improved analysis method for networked control systems with time-varying structural param- eter uncertainry. By setting the logic Zero-order holder (ZOH) which makes the packet out-of-order and data dropout is dealed with. We employ the free weighting matrices to deal with cross product items in our derivation to obtain the sufficient condition of the closed-loop system asymptotically stable. Finally, the simulation example shows the effectiveness and feasibility of the presented method.
作者 郭彩霞 袁秋林 吴雪冰 GUO Caixia, YUAN Qiulin, WU Xuebing (College of Physics and Electrical Engineering, Henan Normal University, Xinxiang 453007, China)
出处 《河南师范大学学报:自然科学版》 CAS 北大核心 2014年第4期53-57,共5页 Journal of Henan Normal University(Natural Science)
基金 国家自然科学基金(61273120) 河南省教育厅科学技术研究重点项目(01026631079)
关键词 网络控制系统 逻辑零阶保持器 LYAPUNOV-KRASOVSKII泛函 自由权矩阵 networked control systems zero-order holder Lyapunov-krasovskii functional free weighting matrices
作者简介 郭彩霞(1979一),女,河南虞城人,河南师范大学讲师,研究方向为:网络控制与鲁棒控制,Email:melida@so-hu.com.
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参考文献11

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