Detection of anomalies in an aircraft engine

Details Detection of anomalies in an aircraft engine Detection of anomalies in an aircraft engine

G - Physics

05

B

G05B 17/02 (2006.01) G05B 23/02 (2006.01)

Patent

CA 2744977

The invention relates to a method and to a system for detecting anomalies in an aircraft engine (1), comprising: - a means (5) for defining a behaviour model for a means (21) for controlling said aircraft engine (1) according to a temporal regression modelling the behaviour of said control means (21) according to a dataset relating to said control means including measurements of past behaviour and control and status measurements of said control means (21); - a means (5) for continuously recalculating said behaviour model for every new dataset; and a means (5) for monitoring a statistical variation of said behaviour model to detect a behaviour anomaly in said control means reflecting an operating anomaly of said engine (1).

L'invention concerne un procédé et un système de détection d'anomalie dans un moteur d'aéronef (1), comportant :-des moyens (5) pour définir un modèle de comportement d'un moyen de contrôle (21) dudit moteur d'aéronef (1) selon une régression temporelle modélisant le comportement dudit moyen de contrôle (21) en fonction d'un jeu de données relatif audit moyen de contrôle comprenant des mesures des comportements passés et des mesures de commande et d'état dudit moyen de contrôle (21); - des moyens (5) pour recalculer de manière continue ledit modèle de comportement pour chaque nouveau jeu de données; et -des moyens (5) pour surveiller une évolution statistique dudit modèle de comportement pour détecter une anomalie de comportement dudit moyen de contrôle reflétant une anomalie de fonctionnement dudit moteur (1).

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