In this paper, a nonlinear fault detection and isolation (FDI) scheme that is based on the concept of multiple model approach is proposed for jet engines. A modular and a hierarchical architecture is proposed which enables the detection and isolation of both single as well as concurrent permanent faults in the engine. A set of nonlinear models of the jet engine in which compressor and turbine maps are used for performance calculations corresponding to various operating modes of the engine (namely, healthy and different fault modes) is obtained. Using the multiple model approach, the probabilities corresponding to the engine modes of operation are first generated. The current operating mode of the system is then detected based on evaluating the maximum probability criteria. The performance of our proposed multiple model FDI scheme is evaluated by implementing both the extended Kalman filter and the unscented Kalman filter as detection filters. Simulation results presented demonstrate the effectiveness of our proposed multiple model FDI algorithm for both structural and actuator faults in the jet engine.
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e-mail: e_naderi@ece.concordia.ca
e-mail: kash@ece.concordia.ca
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January 2012
Research Papers
Nonlinear Fault Diagnosis of Jet Engines by Using a Multiple Model-Based Approach
E. Naderi,
E. Naderi
Department of Electrical and Computer Engineering,
e-mail: e_naderi@ece.concordia.ca
Concordia University
, Montreal, PQ, H3G 1M8, Canada
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K. Khorasani
K. Khorasani
Department of Electrical and Computer Engineering,
e-mail: kash@ece.concordia.ca
Concordia University
, Montreal, PQ, H3G 1M8, Canada
Search for other works by this author on:
E. Naderi
Department of Electrical and Computer Engineering,
Concordia University
, Montreal, PQ, H3G 1M8, Canada
e-mail: e_naderi@ece.concordia.ca
N. Meskin
K. Khorasani
Department of Electrical and Computer Engineering,
Concordia University
, Montreal, PQ, H3G 1M8, Canada
e-mail: kash@ece.concordia.ca
J. Eng. Gas Turbines Power. Jan 2012, 134(1): 011602 (10 pages)
Published Online: November 4, 2011
Article history
Received:
April 13, 2011
Revised:
April 15, 2011
Online:
November 4, 2011
Published:
November 4, 2011
Citation
Naderi, E., Meskin, N., and Khorasani, K. (November 4, 2011). "Nonlinear Fault Diagnosis of Jet Engines by Using a Multiple Model-Based Approach." ASME. J. Eng. Gas Turbines Power. January 2012; 134(1): 011602. https://doi.org/10.1115/1.4004152
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