Model based Fault-Diagnosis for Linear Systems Université Grenoble Alpes
There ar only tree main approaches. The observer-based approach, the parity-space approach, and parameter identification-based methods. In order to optimize FDI indications, the following two step are developped :
The first step is to design a filter based on a model of the plant to generate a vector known as the residual. The residual should ideally be zero (or zero mean) under no-fault conditions.
The second step is to make decisions on whether a fault has occurred. This step is usually done using statistical tools to test if the residual has significantly deviated from zero.
Fault detection and isolation (FDI) is a subfield of control engineering which involves monitoring a system, identifying when a fault has occurred, and pinpointing the type of fault and its location. Model-based techniques of fault detection and isolation use a model to investigate/analyze the occurrence of faults. The system model may be mathematical or knowledge-based. We focus our attention on mathematical models.
State space representation
Algebre of matrice : Rank, ker, eigenvalue ...
Final exam session 1, calculators authorized + 1 handwritten sheet A4 R/V, duration 1h30.
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