Method and system for controlling at least one actuator for...

F - Mech Eng,Light,Heat,Weapons – 02 – K

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F02K 1/76 (2006.01) F02K 1/72 (2006.01)

Patent

CA 2694992

The invention relates to a method for controlling at least one actuator for actuating the cowlings of a thrust inverter in a turbojet engine, the actuator being driven by an electric motor including a relative position sensor providing information on the evolution of the movement thereof, wherein the motor control is carried out based on the instantaneous position of the cowling in at least one portion of the travel thereof between an open position and a closed position, the instantaneous position of the cowling being determined from at least one reference position absolute data and relative position data relative to said reference position provided by the relative position sensor of the motor, wherein in case the actuation is resumed after an interruption, a new determination of the reference position is initiated.

L'invention concerne un procédé de commande d'au moins un actionneur de capots d'un inverseur de poussée pour turboréacteur, l'actionneur étant entraîné par un moteur électrique comprenant un capteur de position relatif fournissant des informations sur l'évolution de son déplacement, dans lequel la commande du moteur est asservie en fonction de la position instantanée du capot dans au moins une portion de sa course entre sa position d'ouverture et sa position de fermeture, la position instantanée du capot étant déterminée en fonction d'au moins une donnée absolue de position de référence et des données de position relatives par rapport à cette position de référence, fournies par le capteur de position relative du moteur, dans lequel en cas de reprise de l'actionnement après une interruption, une nouvelle détermination de la position de référence est engagée.

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