New results on delay-dependent robust stability criteria of uncertain fuzzy systems with state and input delays

New results on delay-dependent robust stability criteria of uncertain fuzzy systems with state and input delays
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具有状态和输入时滞的不确定模糊系统时滞相关鲁棒稳定性准则的新结果

DOI:
10.1016/j.ins.2008.11.039
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发表时间:
2009-03
影响因子:
8.1
通讯作者:
--
中科院分区:
计算机科学1区
文献类型:
--
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研究了一类具有状态时滞和输入时滞的不确定T-S模糊控制系统的时滞相关稳定性分析和镇定问题。该方法的主要特点包括引入不相关的增广矩阵项到李雅普诺夫泛函和使用更紧的边界技术。事实上,这些技术导致更一般和更少的保守性的稳定性条件,保证一个广泛的稳定性区域。我们的时滞相关的稳定性条件,从而得到的线性矩阵不等式(LMI)。最后,一些例子表明,所提出的准则显着改善现有的结果。
This paper focuses on the delay-dependent stability analysis and stabilization for uncertain T–S fuzzy control systems with state and input delays. The key features of the approach include the introduction of uncorrelated augmented matrix items into the Lyapunov functional and the use of a tighter bounding technology. In fact, these techniques lead to more general and less conservative stability conditions that guarantee a wide stability region. Our delay-dependent stability conditions thus obtained are given in terms of linear matrix inequalities (LMIs). Finally, some examples are included to show that the proposed criteria improve the existing results significantly.
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