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一类不确定模糊时滞系统的鲁棒输出反馈H_∞控制

Robust output feedback H_∞ control for uncertain time-delay fuzzy systems
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摘要 研究了一类不确定模糊时滞系统的鲁棒输出反馈控制问题.首先利用模糊T-S模型对一类非线性不确定时滞系统进行建模.其次,基于李雅普诺夫函数方法,给出了鲁棒输出反馈控制器存在的充分条件,该条件最后转化为一个线性矩阵不等式的可解性问题.数值的例子验证了结果的有效性. This paper presents a robust output feedback H∞ control problem for a class of uncertain fuzzy systems with time - delay. The Takagi - Sugeno ( T - S) fuzzy model is employed to represent an uncertain nonlinear systems with time - delay. Based on Lyapunov approach, a sufficient condition for the existence of the robust output feedback H∞ controller is derived in terms of linear matrix inequalities. A numerical example is given to show the effectiveness of our method.
作者 黄韩亮
出处 《安徽大学学报(自然科学版)》 CAS 北大核心 2012年第1期44-49,共6页 Journal of Anhui University(Natural Science Edition)
基金 国家自然科学基金资助项目(10971186) 福建省自然科学基金资助项目(2011J05013) 漳州师范学院科学研究基金资助项目(SJ1005)
关键词 模糊T—S模型 H∞控制 线性矩阵不等式(LMI) 输出反馈 不确定性 T-S fuzzy systems H∞ control linear matrix inequality (LMI) output feedback uncertainty
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参考文献12

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