《计算机应用研究》|Application Research of Computers

基于观测器的网络切换模糊时滞系统鲁棒控制

Observer-based robust control for fuzzy time-delay systems with network switching

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作者 刘毅,梅玉鹏,李国燕,潘玉恒,梅树立
机构 1.天津城建大学 计算机与信息工程学院,天津 300384;2.中国农业大学 信息与电气工程学院,北京 100083
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文章编号 1001-3695(2020)09-041-2766-06
DOI 10.19734/j.issn.1001-3695.2019.04.0143
摘要 针对带有随机时变时滞的非线性网络切换系统稳定控制问题进行研究,在系统状态不可测且存在不确定性的情况下,采用T-S模型将非线性网络切换系统建模为网络切换模糊系统。然后,采用平均驻留时间法(ADT),设计出基于观测器的控制器及系统切换律,并给出网络切换模糊系统指数稳定的平均驻留时间条件。结合李雅普诺夫(LKF)方法给出时滞相关的网络切换模糊系统指数稳定的矩阵不等式条件。最后通过MATLAB数值仿真验证了该设计方法的有效性和优越性。
关键词 网络控制系统; 切换模糊系统; 时滞相关; 平均驻留时间; 观测器和控制器; 参数依赖Lyapunov函数
基金项目 国家自然科学基金资助项目(61871380)
天津市自然科学基金资助项目(17JCQNJC00500)
天津市科技特派员项目(17JCTPJC50600,18JCTPJC6180)
天津市教委科研计划资助项目(2018KJ174)
本文URL http://www.arocmag.com/article/01-2020-09-041.html
英文标题 Observer-based robust control for fuzzy time-delay systems with network switching
作者英文名 Liu Yi, Mei Yupeng, Li Guoyan, Pan Yuheng, Mei Shuli
机构英文名 1.School of Computer & Information Engineering,Tianjin Chengjian University,Tianjin 300384,China;2.College of Information & Electrical Engineer,China Agricultural University,Beijing 100083,China
英文摘要 Based on the T-S model modeling nonlinear network switching system as a network switch fuzzy system, studied the stability control problem of uncertain nonlinear network switched systems with random time-varying delay, in which the system state was unmeasurable. By using the average dwell time method(ADT), designed the observer-based controller and system switching law and presented the average dwell time condition of the exponential stability for network switched fuzzy system. By combining with Lyapunov(LKF) method, also presented the matrix inequality condition of exponential stability in the network switched fuzzy systems. Finally, a MATLAB numerical simulation example verifies the effectiveness and superiority of the design method.
英文关键词 networked control system; switching fuzzy system; delay dependent; average dwell time; observer and controller; parameter-dependent Lyapunov function
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收稿日期 2019/4/9
修回日期 2019/6/17
页码 2766-2771
中图分类号 TP273
文献标志码 A