Kernel-based method for detecting boiler tube leaks

G - Physics – 01 – M

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Details

G01M 99/00 (2011.01) F22B 37/38 (2006.01) G01M 3/00 (2006.01) G21C 17/00 (2006.01)

Patent

CA 2663888

A method and apparatus are provided for diagnosing faults in a monitored system that is monitored by sensors. An empirical model is generated for a targeted component of the monitored system. The empirical model is trained with an historical data source that contains example observations of the sensors. Substantially real-time estimates are generated based on instrumented data corresponding to the targeted component. The substantially real-time estimates are compared and differenced with instrumented readings from the sensors to provide residual values. The residual values are analyzed to detect the faults and determine a location of the faults in the monitored system.

La présente invention concerne un procédé et un appareil de diagnostic de failles dans un système sous surveillance assurée par des capteurs. Un modèle empirique est généré pour un composant ciblé du système surveillé. Le modèle empirique est formé par une source de données historiques qui contient des observations représentatives des capteurs. Des estimations sensiblement en temps réel sont générées basées sur des données instrumentées correspondant au composant ciblé. Les estimations sensiblement en temps réel sont comparées et différenciées avec des relevés instrumentés à partir des capteurs pour fournir des valeurs résiduelles. Les valeurs résiduelles sont analysées pour détecter les failles et déterminer une localisation des failles dans le système surveillé.

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