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Linear hybrid systems with time-varying delays: H_∞ stabilisation schemes

机译:具有时变时滞的线性混合系统:H_∞稳定方案

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摘要

In this paper, we provide new stabilisation schemes for a class of linear Hybrid Time-Delay (HTD) systems under arbitrary switching. These schemes are delay-independent and delay-dependent H_∞ stabilisation based on Propotional-Integral-Derivative (PID) feedback strategy. By adopting a selective Lyapunov-Krasovskii Functional (LKF), new criteria are constructed in a systematic way in terms of feasibility-testing of Linear Matrix Inequalities (LMIs). When the time-delay is a continuous bounded function, we derive the solution for nominal and polytopic models as well identifying several existing results as special cases. In case the time-delay is a differentiable time-varying function satisfying some bounding relations, we establish new parametrised LMI characterisations for PID feedback stabilisation. Numerical examples are provided to illustrate the theoretical developments.
机译:在本文中,我们为一类任意切换下的线性混合时滞(HTD)系统提供了新的稳定方案。这些方案是基于比例-积分-微分(PID)反馈策略的时滞无关和时滞依赖H_∞镇定。通过采用选择性Lyapunov-Krasovskii泛函(LKF),就线性矩阵不等式(LMI)的可行性测试而言,以系统的方式构建了新的准则。当时间延迟是一个连续有界函数时,我们导出名义模型和多主题模型的解决方案,并确定几种现有结果作为特殊情况。如果时间延迟是一个满足某些边界关系的可微分的时变函数,我们将为PID反馈稳定化建立新的参数化LMI特征。数值例子说明了理论发展。

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