Method and device for attenuating the effects of turbulence...

G - Physics – 05 – D

Patent

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G05D 1/06 (2006.01)

Patent

CA 2737982

The invention relates to a method for attenuating the effects of turbulence on an aircraft, characterised in that it comprises the following steps: at least one signal is used, a so-called wind profile signal, along a so-called excitation direction, representing, at a given moment in an aircraft referential, the component, along the excitation direction, of the wind speed at the front of the aircraft according to the distance "x" along a longitudinal direction (L) of the aircraft; a so-called frequency determination step (106) is carried out, in which the wind profile signal is processed in order to determine a frequential content; and a control strategy to be adopted is selected according to the previously determined frequential content, said strategy enabling at least one applicable control law to be identified. The invention also relates to a device for implementing said method.

L'invention concerne un procédé d'atténuation des effets d'une turbulence sur un aéronef, caractérisé en ce qu'il comprend les étapes suivantes : on utilise au moins un signal, dit signal de profil du vent selon une direction dite direction d'excitation, représentant à un instant donné dans un référentiel aéronef la composante, selon ladite direction d'excitation, de la vitesse du vent à l'avant de l'aéronef en fonction de la distance "x" selon une direction longitudinale (L) de l'aéronef; on exécute une étape, dite étape de détermination (106) de fréquences, dans laquelle on traite ce signal de profil du vent de façon à en déterminer un contenu fréquentiel; on sélectionne (108) une stratégie de contrôle à adopter en fonction du contenu fréquentiel précédemment déterminé, laquelle stratégie permet d'identifier une ou plusieurs lois de commande applicables. L'invention concerne également un dispositif apte à mettre en uvre ce procédé.

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