This paper introduces a feature extraction method for characterization of gas turbine engine dynamics for the purpose of engine health monitoring as well as optimum control. For a vehicle health monitoring system that is comprehensive in its scope, and timely and accurate in its diagnosis, high fidelity engine models and a large amount of high-speed data both in steady-state as well as in transients are needed. However, limited computational resources available on-board, and the limited bandwidth capacity and the high cost of real-time data transmission place serious barriers in fulfilling that need. The approach presented in the paper seeks to overcome these barriers by separating the initial feature extraction stage of diagnostics algorithms from the modeling and trending stages. The first part which includes the detection of time instances that are critical to diagnosis and control is performed on board, while the latter is performed on a ground station. The approach is applied to the startup transient in a propulsion engine. A 50-fold reduction in data size is realized while achieving a highly accurate prognosis of hydro-mechanical assembly (HMA) failures.
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ASME Turbo Expo 2005: Power for Land, Sea, and Air
June 6–9, 2005
Reno, Nevada, USA
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
0-7918-4699-7
PROCEEDINGS PAPER
On-Board Characterization of Engine Dynamics for Health Monitoring and Control
Onder Uluyol,
Onder Uluyol
Honeywell International, Minneapolis, MN
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Kyusung Kim,
Kyusung Kim
Honeywell International, Minneapolis, MN
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Charles Ball
Charles Ball
Honeywell International, Phoenix, AZ
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Onder Uluyol
Honeywell International, Minneapolis, MN
Kyusung Kim
Honeywell International, Minneapolis, MN
Charles Ball
Honeywell International, Phoenix, AZ
Paper No:
GT2005-68810, pp. 757-761; 5 pages
Published Online:
November 11, 2008
Citation
Uluyol, O, Kim, K, & Ball, C. "On-Board Characterization of Engine Dynamics for Health Monitoring and Control." Proceedings of the ASME Turbo Expo 2005: Power for Land, Sea, and Air. Volume 1: Turbo Expo 2005. Reno, Nevada, USA. June 6–9, 2005. pp. 757-761. ASME. https://doi.org/10.1115/GT2005-68810
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