On-Line Transient Engine Diagnostics in a Kalman Filtering Framework

Borguet, Sébastien; Dewallef, Pierre; Léonard, Olivier

doi:10.1115/GT2005-68013

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On-Line Transient Engine Diagnostics in a Kalman Filtering Framework

Borguet, Sébastien; Dewallef, Pierre; Léonard, Olivier

2005 • In Proceedings of the ASME Turbo Expo 2005

Peer reviewed

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https://hdl.handle.net/2268/20898

DOI
10.1115/GT2005-68013

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Keywords :

the measurement noise; pressure compressor; condition-based maintenance; TRANSIENT ENGINE DIAGNOSTICS; KALMAN FILTERING FRAMEWORK

Abstract :

[en] A common assumption made in the performance assessment of a turbine engine for aircraft propulsion consists in restricting the data processing to steady-state data. This especially holds for on-board performance monitoring of a commercial aircraft which spends up to 90% of the time in cruise flight where such conditions are satisfied. The present contribution is intended to investigate the ability of a diagnosis method to process unsteady data rather than steady-state data. The aim of this unsteady approach is to strongly reduce the time and the efforts spent to obtain a reliable diagnosis. In order to assess the improvements in terms of diagnosis efficiency and engine operability, the resulting diagnostic method is tested for different degradations that can be expected on commercial turbofans. The results are also compared to those obtained from cruise flight steady-state data in order to balance the two approaches.

Disciplines :

Aerospace & aeronautics engineering
Mechanical engineering

Author, co-author :

Borguet, Sébastien ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Turbomachines et propulsion aérospatiale

Dewallef, Pierre ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable

Léonard, Olivier ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Turbomachines et propulsion aérospatiale

Language :

English

Title :

On-Line Transient Engine Diagnostics in a Kalman Filtering Framework

Publication date :

June 2005

Event name :

ASME Turbo Expo 2005

Event place :

Reno-Tahoe, Nevada, United States

Event date :

June 6-9, 2005

Audience :

International

Main work title :

Proceedings of the ASME Turbo Expo 2005

ISBN/EAN :

0-7918-3754-8

Peer reviewed :

Peer reviewed

Commentary :

ASME Paper GT2005-68013

Available on ORBi :

since 03 September 2009

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Bibliography

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