New admissibility analysis for discrete singular systems with time-varying delay

New admissibility analysis for discrete singular systems with time-varying delay
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时变时滞离散奇异系统的新容许性分析

DOI:
10.1016/j.amc.2015.06.018
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发表时间:
2015-08
影响因子:
4
通讯作者:
Lam, James
Lam, James
中科院分区:
数学2区
文献类型:
--
作者:
Feng, Zhiguang;Li, Wenxing;Lam, James

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本文解决了时变时滞离散奇异系统的容许性问题。本文的主要贡献是通过采用改进的互凸组合方法来限制二重求和项的前向差分,并利用互凸组合方法来限制李亚普诺夫函数中三重求和项的前向差分,从而降低了所考虑系统的保守性。在不对所考虑的系统进行分解和等价变换的情况下,建立严格的时滞相关线性矩阵不等式(LMI)准则来保证所考虑的系统是正则的、因果的和稳定的。给出了一个数值例子来说明该方法的有效性。
In this paper, the issue of admissibility for discrete singular systems with time-varying delay is addressed. The main contribution of this paper is to reduce the conservatism of the considered system by adopting an improved reciprocally convex combination approach to bound the forward difference of the double summation term, and utilizing the reciprocally convex combination approach to bound the forward difference of the triple summation term in the Lyapunov function. Without employing decomposition and equivalent transformation of the considered system, a strict delay-dependent linear matrix inequality (LMI) criterion is built to guarantee the considered system to be regular, causal and stable. A numerical example is given to illustrate the effectiveness of this proposed method.
DOI: 10.1016/s1874-1029(09)60033-1
发表时间: 2010-05
期刊: Acta Automatica Sinica
影响因子: --
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