Control-oriented non-linear modelling is the requirement of reliable non-linear control for aeroengines. The complex engine model must be simplified such that advanced non-linear control techniques can be applied. Some simplified engine models lose the physical interpretability, and further, the analysability of stability and performance of the real closed-loop system, which eventually hinders their industrial implementation. Linear parameter-varying model attains certain success in aeroengine control in recent years, but its potential drawback has also been proposed in theoretical research. This article proceeds to reveal this problem from a model perspective. Then, an approximate non-linear model for aeroengine control is introduced, followed by an identification procedure for more efficient modelling. Simulations show good precision of this model in capturing the non-linear behaviour of a turbofan engine. Theoretically, controllers designed with this model can guarantee local stability and performance for the real plant.


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    Titel :

    An approximate non-linear model for aeroengine control


    Beteiligte:
    Yu, D (Autor:in) / Zhao, H (Autor:in) / Xu, Z (Autor:in) / Sui, Y (Autor:in) / Liu, J (Autor:in)


    Erscheinungsdatum :

    2011-12-01


    Format / Umfang :

    16 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt





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