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具有H2增益约束的连续时变线性随机系统的有限时间有界性

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针对一类具有能量有界外部干扰的连续时变线性随机系统,研究了在H2 增益约束下闭环系统的有限时间有界性.首先,给出系统有限时间有界和H2 增益的定义.然后,设计状态反馈控制器,使得闭环系统既满足H2 增益性能约束又满足有限时间有界.通过求解时变线性矩阵不等式,得到控制器增益函数.最后,给出两个数值算例说明所设计方法的有效性.
Finite-time boundedness for continuous time-varying linear stochastic systems with H2 gain constraint
In light of a class of continuous time-varying linear stochastic systems with energy-bounded external interference,this paper studied the finite-time boundedness(FTB)for closed-loop systems with H2 gain constraint.Firstly,the definitions of FTB and H2 gain were introduced.Then,a state feedback controller was designed to ensure the finite-time boundedness as well as the H2 gain constraint performance of the closed-loop system.By solving time-varying linear matrix inequalities,the controller gain function was obtained.Finally,two numerical examples were given to illustrate the effectiveness of the devised method.

H2 gainfinite-time boundednesstime-varying stochastic linear systemslinear matrix inequality

刘西奎、姚辰欣、李艳、庄继晶

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山东科技大学 数学与系统科学学院,山东 青岛 266590

山东科技大学 电气信息系,山东 济南 250031

H2增益 有限时间有界性 时变线性随机系统 线性矩阵不等式

国家自然科学基金项目山东省自然科学基金项目

61972236ZR2022MF233

2024

山东科技大学学报(自然科学版)
山东科技大学

山东科技大学学报(自然科学版)

CSTPCD北大核心
影响因子:0.437
ISSN:1672-3767
年,卷(期):2024.43(4)
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