Earth-referenced wind adjustment for hovering aircraft

Details Earth-referenced wind adjustment for hovering aircraft Earth-referenced wind adjustment for hovering aircraft

G - Physics

05

D

G05D 1/08 (2006.01) B64C 13/18 (2006.01) B64C 27/57 (2006.01)

Patent

CA 2330046

In a rotary wing aircraft, longitudinal groundspeed error and lateral groundspeed error are converted to earth coordinates, and the result scaled and integrated, and retransformed into aircraft coordinates for application to a pitch attitude control system and a roll attitude control system. The invention thus instantly transfers wind trim between the longitudinal and lateral channels, whenever a heading change is undertaken

Dans un aéronef à voilure tournante, l'erreur de vitesse sol longitudinale et l'erreur de vitesse sol latérale sont converties en coordonnées terrestres, et le résultat est mis à l'échelle et intégré, et retransformé en coordonnées avion destinées à être appliquées à un système de contrôle de l'assiette longitudinale et de l'assiette latérale. Cette invention permet donc de transférer instantanément l'assiette du vent entre les voies longitudinales et latérales quelque soit le changement de cap entrepris.

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