Method and device for lightening loads on the wing system of...

G - Physics – 05 – D

Patent

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G05D 1/00 (2006.01) B64C 13/16 (2006.01)

Patent

CA 2614056

The invention concerns an aircraft with electric flight control system, wherein a device enables the load applied on the wing system to be lightened during a lateral roll maneuver, by comparing the roll control (X) with a threshold (X%) and by filtering said control. Through such an action on the roll control, it is possible to anticipate the load increases occurring on the wing system, and to reduce same. The loads can thus be maintained below a maximum value of the wing system dimensioning, in case of too great roll control relative to the use provided for the plane, and therefore to limit oversizing of the wing system.

Dans un aéronef à système de commandes de vol électriques, un dispositif permet d'alléger la charge appliquée sur la voilure lors d'une manAEuvre latérale en roulis, en comparant la commande de roulis (X) avec un seuil (X%) et en filtrant cette commande. Grâce à cette action sur la commande de roulis, il est possible d'anticiper les augmentations de charge occasionnées sur la voilure, et de diminuer celle-ci. Les charges peuvent ainsi rester en dessous d'une valeur maximale de dimensionnement de la voilure, en cas de commande en roulis trop importante par rapport à l'utilisation prévue de l'avion, et donc de limiter le surdimensionnement de la voilure.

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