Diagnosis and Fault-Tolerant Control
Diagnosis and Fault-Tolerant Control
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The research work is focused on sensors fault isolation, exploiting the synergy of functional and physical redundancy. Functional and physical redundancy is applied under a novel methodological approach to isolate individual sensor faults. The contribution uses a heuristic algorithm which combines a rule based strategy associated to a process parameter identification method to be applied on the instrumentation fault detection and isolation task. Implementation procedure is carried out on a pilot plant equipped with supervision facilities from DeltaV, state of the art software, which efficiently manage databases, rule based systems and appropriate identification support tools.