G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 23/00 (2006.01)
Patent
CA 2457772
The attitude indicator comprises a display device (11) with a screen (110), generating a three-dimensional silhouette of an aircraft (3) on the background of a screen (4,5) which is divided up into two areas a lower area (4) symbolizing the ground and an upper area (5) symbolizing the sky which are separated by a sky line which is displaceable heightwise on the screen while remaining horizontal. Said silhouette is moveable according to three axes of rotation and, when seen from the rear, moveable according to attitude angles corresponding to the measurements of the attitude angles which are received by the cabin instrumentation and which are referenced in relation to a referential aircraft having a roll axis which is perpendicular to the surface of the screen and pitch and normal axes on the plane of the screen, one pitch axis being horizontal and the other being a vertical normal axis. One advantage of the invention is that the crew is provided with a tangible view of the attitude of the aircraft, thereby making piloting more natural and more intuitive, whereupon safety is increased.
Cet indicateur d'attitude comporte un dispositif d'affichage (11) avec écran (110), engendrant sur un fond d'écran (4, 5) partagé en deux zones: une inférieure (4) symbolisant le sol et une supérieure (5) symbolisant le ciel, séparées par une ligne d'horizon se déplaçant en hauteur sur l'écran tout en restant horizontale, une silhouette d'aéronef (3) en trois dimensions, mobile selon les trois axes de rotation et vue de l'arrière, selon des angles d'attitude qui correspondent aux mesures d'angles d'attitude reçues des instruments du bord et qui sont référencés par rapport à un référentiel aéronef ayant un axe de poulis perpendiculaire à la surface de l'écran et des axes de tangage et de lacet vertical. Il a l'avantage de donner à l'équipage une vue concrète de l'attitude de l'aéronef permettant de rendre le pilotage plus naturel et plus intuitif, et donc d'améliorer la sécurité.
Goudreau Gage Dubuc
Thales
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