Self-calibration method for the electric jacks of a turbojet...

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

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F02K 1/76 (2006.01)

Patent

CA 2676664

The invention relates to a method for the self-calibration of electric jacks (6a, 6b) capable of actuating a mobile member (2) of a turbojet nacelle (1) and connected to at least one position measuring member, characterised in that it comprises the steps of: moving the jack(s) into a retracted position corresponding to a first position of the mobile member; storing one or more position values fed back by the position measuring member for the jack(s) in said retracted position; moving the jack(s) into an extended position corresponding to a second position of the mobile member; storing one or more position values fed back by the position measuring member for the jack(s) in said extended position.

La présente invention se rapporte à un procédé d'autocalibration de vérins électriques (6a, 6b) aptes à actionner un élément mobile (2) d'une nacelle (1) de turboréacteur et reliés à au moins un organe de mesure de position, caractérisé en ce qu'il comprend les étapes visant à : amener le ou les vérins en position rétractée correspondant à une première position de l'élément mobile, mémoriser une ou plusieurs valeurs de position retournées par l'organe de mesure de positions pour le ou les vérins dans ladite position rétractée, amener le ou les vérins en position déployée correspondant à une deuxième position de l'élément mobile, mémoriser une ou plusieurs valeurs de position retournées par l'organe de mesure de positions pour le ou les vérins dans ladite position déployée.

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