公开(公告)号：US10288518B2

公开(公告)日：2019-05-14

申请号：US15571377

申请日：2016-05-04

Applicant: Safran Aircraft Engines

Inventor： Josselin Coupard ,  Ronan Louis Castrec ,  Rafik Zouari

IPC: G01M1/22 ,  G07C5/00 ,  B64D45/00 ,  G01H1/00 ,  G01H3/14 ,  G01M1/14 ,  G01M15/12 ,  G01M15/14 ,  G01M1/28 ,  G07C5/08 ,  G05B23/02

Abstract: A method for monitoring an aircraft engine during flight, which includes the steps of: for at least one characteristic frequency of the operation of the engine, measuring at least one synchronous vibration level value; for at least one module of the engine, estimating an out-of-balance value of the module in accordance with the one or more vibration level values measured and at least one sensitivity coefficient; estimating a balancing margin of the module in accordance with the out-of-balance value of said module and a maximum threshold; (d) estimating a remaining number of flights of the aircraft prior to balancing and/or a quality indicator of a preceding balancing operation in accordance with the one or more estimated balancing margins and data representing past balancing operations of the engine.