Delay-dependent stability analysis by using delay-independent integral evaluation

Delay-dependent stability analysis by using delay-independent integral evaluation
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使用延迟无关积分评估进行延迟相关稳定性分析

DOI:
10.1016/j.automatica.2016.03.028
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发表时间:
2016-08
期刊:
影响因子:
6.4
通讯作者:
Wang Zaihua
Wang Zaihua
中科院分区:
计算机科学2区
文献类型:
--
作者:
Xu Qi;Stepan Gabor;Wang Zaihua

文献摘要

参考文献

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对于时滞系统的稳定性分析,现有的方法通常需要对某些量进行精确估计。定积分稳定性方法起源于辐角原理或柯西定理,它只需要对有限区间上的试验积分进行粗略的估计就可以判断稳定性。然而,在文献中没有给出一般的规则,以适当地选择上限的测试积分。本文提出了两种简单的算法,用于寻找参数相关的临界上限和参数无关的上限没有任何限制的时间延迟的数量。这些结果改进和完善了定积分稳定性方法。数值算例表明,所提算法具有较高的精度和有效性.
For the stability analysis of time-delay systems, the available methods usually require the exact evaluation of some quantities. The definite integral stability method, originated from the Argument Principle or the Cauchy Theorem, is effective because it only requires a rough estimation of the testing integral over a finite interval to judge stability. However, no general rule is given in the literature for properly choosing the upper limit of the testing integral. In this paper, two simple algorithms are presented for finding the parameter-dependent critical upper limit and a parameter-independent upper limit without any restriction on the number of time delays. These results improve and complete the definite integral stability method. As illustrated by the numerical examples, the proposed algorithms work effectively and accurately.
DOI: 10.1006/jdeq.1996.3127
发表时间: 1997-05
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