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Stability analysis of discrete-time switched systems via Multi-step multiple Lyapunov-like functions

机译:通过多步多Lyapunov样功能进行离散时间交换系统的稳定性分析

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In this paper, we propose a Multi-step multiple Lyapunov-like functions (MLFs) based approach to prove the stability and asymptotic stability of discrete-time switched systems under pre-given time-dependent switching signals. We start with the definition of Multi-step MLFs, which is a relaxation of traditional MLFs. Then, for a discrete-time switched nonlinear system (SNS) under a given time-dependent switching signal, several sufficient conditions for its stability and asymptotic stability are successively provided by using either Multi-step MLFs or strengthened Multi-step MLFs, respectively. Afterwards, for a discrete-time switched linear system with a special time-dependent switching signal, we derive two less conservative linear matrix inequality based criteria for demonstrating its asymptotic stability. In the end, three examples are given to illustrate the applicability and advantage of our relaxed results. (C) 2017 Elsevier Ltd. All rights reserved.
机译:在本文中,我们提出了一种基于多步多的Lyapunov样功能(MLF)的方法,以在给定的时间相关的开关信号下证明离散时间交换系统的稳定性和渐近稳定性。 我们从多步MLF的定义开始,这是一种传统的MLF的放松。 然后,对于在给定的时间依赖性开关信号下的离散时间切换非线性系统(SNS),通过使用多步骤MLF或强化的多步骤MLF,连续地提供若干足够的稳定性和渐近稳定性条件。 之后,对于具有特殊时间依赖性开关信号的离散时间切换线性系统,我们得出了两个较少保守的线性矩阵不等式基于标准,以证明其渐近稳定性。 最后,给出了三个例子来说明我们放松结果的适用性和优势。 (c)2017 Elsevier Ltd.保留所有权利。

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