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Finite Memory Observer - based sensor fault detection and isolation for system when measurements are correlated with process noise

机译:当测量值与过程噪声相关时,基于有限内存观察器的传感器故障检测和系统隔离

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This paper presents the development of a Finite Memory Observer in systems with a correlation between measurement and state noises. This work proves the interest of designing observer statements adapted to systems with correlated noises. It also develops a theoretical form of continuous time representation of Finite Memory Observers. The estimators obtained are studied in different noise behavior cases and with different window length values. These studies show the robustness of the observer even in presence of unknown noises. Finally, this estimator is applied to the diagnostic of a faulty system with correlated measurement and state noises.
机译:本文介绍了系统中有限内存观测器的发展,该系统具有测量值和状态噪声之间的相关性。这项工作证明了设计适合于具有相关噪声的系统的观察者陈述的兴趣。它还发展了有限记忆观察者连续时间表示的理论形式。在不同的噪声行为情况下以及在不同的窗口长度值下研究获得的估计量。这些研究表明,即使存在未知的噪声,观察者的鲁棒性。最后,该估计器可用于具有相关测量值和状态噪声的故障系统的诊断。

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