An Onboard Aeroengine Model-Tuning System
Publication: Journal of Aerospace Engineering
Volume 30, Issue 4
Abstract
This study investigates an onboard aeroengine model (OBEM)-tuning system (OTS) based on a hybrid Kalman filter, which is mostly used to estimate the aeroengine performance. The OTS structure comprises two parts. One is an OBEM, the other a linear parameter-varying Kalman filter. The Kalman filter is used as a regulator to minimize the mismatch of the measured outputs between the OBEM and the actual engine. This study describes the method and procedure used to construct the OTS. The results from the application of the technique to the aeroengine simulations are presented and compared to the conventional approach of tuner selection. The new methodology is shown to yield a significant improvement in online Kalman filter estimation accuracy.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China under Grant 61573035 and the China Scholarship Council under Grant 201506025135.
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©2017 American Society of Civil Engineers.
History
Received: Dec 15, 2015
Accepted: Nov 23, 2016
Published online: Feb 13, 2017
Published in print: Jul 1, 2017
Discussion open until: Jul 13, 2017
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