Method And Device For Detecting An Anomaly In The Operation Of An Aircraft

Abstract: The invention relates to a method for detecting an anomaly in the operation of a component of an aircraft associated with at least one status indicator, the method comprising, for at least one acquired time sequence (Seq1, Seq2) comprising acquired values of said at least one indicator, steps of: - determining (E20) an approximated time sequence (Seq1*, Seq2*) of approximated values of said acquired values by means of an approximation module (AE1, AE2); - determining (E30) an overall abnormality score (A1, A2) for the acquired time sequence (Seq1, Seq2) on the basis of differences between the acquired values (Seq1, Seq2) and the approximated values; and - detecting (E40) an anomaly in the operation of the component on the basis of a comparison of the overall abnormality score with a first threshold, the approximation module being configured to minimize approximation errors between time sequences of reference values and time sequences of approximated values.

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