Process and system for controlling an aircraft control surface

Details Process and system for controlling an aircraft control surface Process and system for controlling an aircraft control surface

B - Operations, Transporting

64

C

B64C 13/38 (2006.01) B64C 9/12 (2006.01) B64C 13/50 (2006.01)

Patent

CA 2435596

The system (1) comprises a control surface (2) which comprises at least two control surface elements (14, 15, 16) mounted to rotate about an axis (Z-Z) on a stabilizer element (4) of the aircraft, an actuator (13) which comprises at least two actuating means (17, 18, 19) able to move the control surface elements (14, 15, 16) according to individual turn commands received, first means (20) for determining a particular phase of flight of the aircraft, and second means (21) which, when said particular phase of flight is determined by the first means (20) generate, according to an overall turn command received from a control unit (9), differentiated individual turn commands for the actuating means (17, 18, 19) for example so as to control, as a matter of priority, the control surface element that generates the lowest force on the stabilizer element (4).

- Le système (1) comprend une gouverne (2) qui comporte au moins deux éléments de gouverne (14, 15, 16) montés rotatifs autour d'un axe (Z-Z) sur un élément stabilisateur (4) de l'aéronef, un actionneur (13) qui comporte au moins deux moyens d'actionnement (17, 18, 19) susceptibles de déplacer les éléments de gouverne (14, 15, 16) en fonction d'ordres de braquage individuels reçus, des premiers moyens (20) pour déterminer une phase de vol particulière de l'aéronef, et des seconds moyens (21) qui, lorsque ladite phase de vol particulière est déterminée par les premiers moyens (20), engendrent, en fonction d'un ordre de braquage global reçu d'une unité de commande (9), des ordres de braquage individuels différenciés pour les moyens d'actionnement (17, 18, 19), par exemple de manière à commander en priorité l'élément de gouverne qui engendre l'effort le plus faible sur l'élément stabilisateur (4).

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