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马尔可夫跳变系统的鲁棒故障检测与时域优化

DOI: 10.13195/j.kzyjc.2012.1609, PP. 379-384

Keywords: 故障检测,马尔可夫跳变系统,观测器,时域优化

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Abstract:

研究马尔可夫跳变系统(MJS)鲁棒故障检测滤波器(FDF)的设计与优化问题.基于观测器构建残差发生器,将相应的FDF设计问题转化为H∞滤波问题,以LMI的形式得到并证明了FDF存在的充分条件及求解方法.为进一步改善故障检测系统的性能,采用一种时域优化方法对其进行优化,并以矩阵Moore-Penrose逆的形式给出了该优化问题的最优解.数值仿真表明该方法具有较好的检测效果.

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