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Improved delay-dependent stability criteria for linear systems with multiple time-varying delays
International Journal of Control ( IF 2.1 ) Pub Date : 2020-05-18 , DOI: 10.1080/00207179.2020.1766116
Fúlvia S. S. de Oliveira 1 , Fernando O. Souza 2
Affiliation  

This paper concentrates on the stability analysis of continuous-time linear systems with multiple time-varying delays. The time-delays are assumed to be bounded and have or not lower and upper bounds on their time-derivative. Based on the Lyapunov-Krasovskii theory the proposed results formulated as linear matrix inequality conditions can verify the delay-intervals for which the system stability is preserved. The main results follow from developing new augmented Lyapunov-Krasovskii functionals that exploit the benefits of the Bessel-Legendre-based integral inequality and the reciprocally convex approach. Also, the proposed functionals allow us to take advantage of the relationships between the current and delayed states. As a result, the proposed stability conditions outperformed similar existing ones in all numerical tests accomplished in this paper.



中文翻译:

改进了具有多个时变延迟的线性系统的延迟相关稳定性标准

本文主要研究具有多个时变时滞的连续时间线性系统的稳定性分析。假设时间延迟是有界的,并且它们的时间导数有或没有下限和上限。基于 Lyapunov-Krasovskii 理论,提出的结果表述为线性矩阵不等式条件可以验证延迟间隔,从而保持系统稳定性。主要结果来自开发新的增强 Lyapunov-Krasovskii 泛函,这些泛函利用了基于 Bessel-Legendre 的积分不等式和互反凸方法的优点。此外,提议的泛函允许我们利用当前状态和延迟状态之间的关系。其结果,

更新日期:2020-05-18
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