Finite-time guaranteed cost controller design for uncertain linear continuous-time singular systems

Finite-time guaranteed cost controller design for uncertain linear continuous-time singular systems
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不确定线性连续时间奇异系统的有限时间保证成本控制器设计

DOI:
10.1177/0142331219827054
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发表时间:
2019-02
影响因子:
1.8
通讯作者:
Ren Xuejing
Ren Xuejing
中科院分区:
计算机科学4区
文献类型:
--
作者:
Li Bo;Wo Songlin;Zhao Junjie;Ren Xuejing

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本文关注一类具有范数有界不确定性的线性连续时间奇异系统的有限时间鲁棒保证成本控制问题。在本研究中,问题是设计一个状态反馈控制器,使得闭环系统是有限时间稳定的,并且闭环成本函数值不超过所有允许的不确定性的指定上限。通过构造适当的Lyapunov函数,建立了基于线性矩阵不等式(LMI)的系统有限时间鲁棒稳定性的充分条件。进一步,以LMI的形式表述了保证成本控制器存在的充分条件,使得闭环不确定奇异系统有限时间鲁棒稳定。最后,给出了两个数值例子来说明所提出的理论结果。
This article concerns the finite-time robust guaranteed cost control problem for a class of linear continuous-time singular systems with norm-bounded uncertainties. In this study, the problem is to design a state feedback controller such that the closed-loop system is finite-time stable, and the closed-loop cost function value is not more than a specified upper bound for all admissible uncertainties. By constructing an appropriate Lyapunov function, a sufficient condition for the finite-time robust stability of the system based on linear matrix inequality (LMI) is established. Furthermore, the sufficient condition for the existence of the guaranteed cost controller is formulated in terms of LMIs, which can make the closed-loop uncertain singular system finite-time robust stable. Finally, two numerical examples are given for illustration of the proposed theoretical results.
具有混合时滞的不确定非线性系统的保证成本控制:离散时间情况
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发表时间: 2017-12
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