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LPV modeling of a turbofan engine

Authors:Reberga Luc, LAAS-CNRS, France
Henrion Didier, LAAS-CNRS, France
Bernussou Jacques, LAAS-CNRS, France
Vary Florian, Snecma Moteurs, France
Topic:2.1 Control Design
Session:Aircraft Turbofan Engine Control
Keywords: turbofan engine, modeling, linear parameter varying (LPV), linearization.

Abstract

This article describes the application of quasi-LPV modeling techniques to an industrial military turbofan engine simulator developed by Snecma Moteurs, the French aerospace propulsion company. Two approaches are used, classical Jacobian linearization and velocity based linearization. First, we present briefly the theoretical aspects of both linearization. Second, we describe practical implications and limitations. Finally, we present the application of those techniques to the Snecma Moteurs Matlab Simulink turbofan engine simulator.