Method for detecting a failure of at least one sensor onboard an aircraft implementing an anemo-inertial loop, and associated system
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United States of America Patent
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Aug 18, 2015
Grant Date -
Jan 1, 2015
app pub date -
Jun 26, 2014
filing date -
Jun 28, 2013
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Abstract
A method for detecting a failure of at least one sensor on board an aircraft is provided. The method includes implementing an anemo-inertial loop including obtaining a computed horizontal speed, based on an integration of a measured horizontal acceleration and obtainment of a short-term anemo-inertial speed from the computed horizontal speed; developing at least one intermediate loop parameter based on a deviation between the short-term anemo-inertial speed and the anemometric speed or the airspeed; and observing a failure detection parameter obtained from an intermediate parameter of the anemo-inertial loop and determining the presence of a failure on one of the sensors of the aircraft, based on the value of the observed failure detection parameter.
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