Estimation of a criterion of load to which a structural...

G - Physics – 05 – B

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G05B 23/02 (2006.01)

Patent

CA 2725402

The present invention relates to methods and systems for estimating a loading criterion relating to the load (C) experienced by a structural component (100, 102, 104) of an aircraft (10), and assistance with detecting a so-called "hard" landing. These methods involve measuring (50) parameters of said aircraft and calculating (54) at least one loading criterion for the loading of said structural component using at least one neural network (36) receiving said parameters as input. Assistance with detecting a hard landing then requires the determining (72, 76) of a time (t0, t-i) of impact (14, 16) of said aircraft on a landing strip (12) from said measured parameters, then estimating (74, 78) a plurality of said parameters at said determined time of impact so as to calculate (54) the at least one loading criterion relating to the loading of the structural component.

La présente invention se rapporte à des procédés et systèmes pour l'estimation d'un critère de charge (C,) subie par un composant structurel (100, 102, 104) d'un aéronef (10), et l'aide à la détection d'un atterrissage dit "dur". Ces procédés comprennent la mesure (50) de paramètres dudit aéronef et le calcul (54) d'au moins un critère de charge dudit composant structurel à l'aide d'au moins un réseau de neurones (36) recevant en entrée lesdits paramètres. L'aide à la détection d'un atterrissage dur requiert alors la détermination (72, 76) d'un instant (t0, t-i) d'impact (14, 16) dudit aéronef sur une piste d'atterrissage (12) à partir desdits paramètres mesurés, puis l'estimation (74, 78) d'une pluralité desdits paramètres audit instant d'impact déterminé afin de procéder au calcul (54) de l'au moins un critère de charge du composant structurel.

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