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Auxiliary signal design for failure detection in differential-algebraic equations

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  • Fault detection and identification (FDI) are important tasks in most modern industrial and mechanical systems and processes. Many of these systems are most naturally modeled by differential-algebraic equations (DAE). This paper addresses active fault detection in DAE. A technique is presented to calculate an auxiliary test signal guaranteeing detection, assuming bounded additive noise. An efficient real time detection algorithm is also provided as are example simulations. The extension to model uncertainty is discussed.
    Mathematics Subject Classification: Primary: 49N90; Secondary: 49J21, 34A09.


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