Method and system for controlling at least one actuator for actuating the cowlings of a thrust inverter in a turbojet engine
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United States of America Patent
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Oct 9, 2012
Grant Date -
Jul 1, 2010
app pub date -
Jul 16, 2008
filing date -
Aug 20, 2007
priority date (Note) -
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Abstract
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 is controlled based on the instantaneous position of the cowling in at least one portion of the movement 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.
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