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具有随机通讯时延的网络化系统的鲁棒故障检测

Robust fault detection for networked systems with stochastic communication delays
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摘要 研究了一类具有随机通讯时延的不确定网络化系统的鲁棒故障检测问题.随机通讯时延用满足Bernoulli随机二进制分布变量的线性函数来描述.设计一个故障检测滤波器,使残差误差系统均方指数稳定且具有一定的扰动衰减水平.应用线性矩阵不等式方法证明故障检测滤波器存在条件,举例说明该方法的有效性. Investigates the problem of robust fault detection for a class of networked systems with random communication delays and norm-bounded uncertainties. The random delays are modeled as a linear function of the stochastic variable satisfying Bernoulli random binary distribution. A fault detection filter as residual generator is designed to make residual error system be exponentially mean-square stable and satisfy a prescribed disturbance attenuation level. A sufficient condition is derived in terms of linear matrix inequalities （LMI）. Numerical examples illustrate the effectiveness of the proposed approach.
作者 阮玉斌 杨富文 王武
机构地区 福州大学电气工程与自动化学院
出处 《福州大学学报（自然科学版）》 CAS CSCD 北大核心 2008年第4期527-531,共5页 Journal of Fuzhou University(Natural Science Edition)
基金 国家自然科学基金资助项目(60474049 60604027) 福建省自然科学基金资助项目(A0510009)
关键词 鲁棒故障检测 网络化系统 随机通讯时延 H∞范数 线性矩阵不等式 robust fault detection networked systems random communication delays H∞ norm LMI
分类号 TP13 [自动化与计算机技术—控制理论与控制工程]
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参考文献10

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二级参考文献7

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共引文献18

福州大学学报（自然科学版）
2008年 第4期

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