Method and device for detecting an uncontrolled movement of an aircraft control surface
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jan 31, 2013
app pub date -
Jul 18, 2012
filing date -
Jul 28, 2011
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Abstract
A detection device determines whether an uncontrolled movement of a control surface of an aircraft is occurring. The device includes means for calculating the difference between a theoretical command and an actual command in order to form a residual value, and means for detecting an uncontrolled movement of the control surface, if a comparison value depending on this residual value is greater than a threshold value If the comparison value is greater than the threshold value during a confirmation time, then the uncontrolled movement of the control surface of the aircraft is confirmed.
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