METHOD, DEVICE AND SYSTEM FOR MONITORING A TURBINE ENGINE

METHOD, DEVICE AND SYSTEM FOR MONITORING A TURBINE ENGINE

A method for monitoring a turbine engine, said method including, for at least one blade of a rotor with which the turbine engine is equipped, the steps of: obtaining a plurality of samples of at least one analogue time signal acquired by means of at least one fixed proximity sensor and representing...

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Hauptverfasser: EL BADAOUI, Mohammed, GIRARDIN, François, MBAILASSEM, Fulbert, ABBOUD, Dany, ANTONI, Jérôme
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator EL BADAOUI, Mohammed
GIRARDIN, François
MBAILASSEM, Fulbert
ABBOUD, Dany
ANTONI, Jérôme
description A method for monitoring a turbine engine, said method including, for at least one blade of a rotor with which the turbine engine is equipped, the steps of: obtaining a plurality of samples of at least one analogue time signal acquired by means of at least one fixed proximity sensor and representing a passage of said at least one blade in front of said at least one proximity sensor; calculating a deflection of said at least one blade for each of said samples: determining, in the form of a linear combination of sinusoidal signals, a so-called "approximation signal", minimizing a cost function evaluating a deviation between said calculated deflections and said approximation signal; and monitoring the vibratory behavior of said at least one blade on the basis of frequencies and/or amplitudes and/or phases of the sinusoidal signals that make up said approximation signal.
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subjects MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title METHOD, DEVICE AND SYSTEM FOR MONITORING A TURBINE ENGINE
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