Method of analyzing a vibratory signal derived from rotation of at least one moving part belonging to a rotary mechanism
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United States of America Patent
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Oct 25, 2022
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N/A
app pub date -
Jul 11, 2019
filing date -
Jul 12, 2018
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Abstract
A method of analyzing a vibratory signal derived from rotation of at least one moving part belonging to a rotary mechanism forming all or part of a drive train for transmitting drive torque, the rotary mechanism being fitted to an aircraft and the method comprising at least one first measurement step including measuring vibration in at least one direction and generating a vibratory signal representative of the operation of the rotary mechanism as a function of time, the first measurement step being performed by means of at least one vibration sensor; and at least one second measurement step including measuring an angular position of the moving part, the moving part having at least one degree of freedom to move in rotation about a respective axis of rotation Z. Such an analysis method makes it possible to determine at least one usable range for the vibratory signal.
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