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关于系统有限时间稳定的若干问题的讨论
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摘要
本文主要讨论线性系统的有限时间稳定性。首先讨论离散线性系统在动态观测器下的有限时间稳定问题,利用线性矩阵不等式,给出三个相关的判定定理。而后对离散线性时滞系统进行讨论,同样利用线性矩阵不等式,得到该系统不是有限时间稳定的一个充要条件。最后,本文将有限时间稳定问题和传统的H~∞控制问题相结合,研究有限时间H~∞控制问题,并给出连续系统满足有限时间H~∞控制的充分条件。
In this paper,the finite-time stability of linear systems is discussed. First of all,the problem of the finite-time stability of a discrete system is studied and three relative theorems are given based on LMI. Then linear time-delay system is discussed and a sufficient and necessary condition is given based on LMI also. At last, combined the finite-time stability with traditional H~∞control problem, a sufficient condition which solves the finite-time H~∞control problem of a class of continuous systems is obtained.
引文
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