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CEAS EuroGNC 2022

Decoupled parameter identification for a flexible aircraft
Sára Olasz-Szabó MSc student, Developer, Systems and Control Lab, Institute For Computer Science and Control, Eötvös Loránd Research Network, 1111, Budapest, Hungary.
Tamás Baár Research Associate, Systems and Control Lab, Institute For Computer Science and Control, Eötvös Loránd Research Network, 1111, Budapest, Hungary.
Tamás Luspay Senior Research Fellow, Systems and Control Lab, Institute For Computer Science and Control, Eötvös Loránd Research Network, 1111, Budapest, Hungary.
Abstract:
The paper proposes a decoupled identification approach for determining unknown parameters of a flexible aircraft. The methodology relies on an input-output transformation designed to excite only certain parts of the dynamics. Accordingly, a simplified Single Input Single Output (SISO) model is obtained, where an additional disturbance term is introduced for the neglected dynamics. Besides being a SISO problem, the decoupling transformation also scales down the numerical complexity of the identification problem by reducing the dimension of the unknown parameter vector. A well-known output error minimization can then be carried out either in batch or in real-time operation, where the introduced error due to the neglected dynamics can be directly incorporated in the characterization of the parameter estimation's goodness through bounding ellipsoids. A comparative numerical example is given based on a reduced order linear time invariant (LTI) model of an experimental aircraft developed in the FLIPASED project.
Keywords: Parameter identification; Flexible aircraft; System decoupling
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Sára Olasz-Szabó, Tamás Baár, Tamás Luspay: Decoupled parameter identification for a flexible aircraft. Proceedings of the 2022 CEAS EuroGNC conference. Berlin, Germany. May 2022. CEAS-GNC-2022-010.
BibTeX entry:

@Incollection{CEAS-GNC-2022-010,
    authors = {Olasz-Szabó, Sára and Baár, Tamás and Luspay, Tamás},
    title = {Decoupled parameter identification for a flexible aircraft},
    booktitle = {Proceedings of the 2022 {CEAS EuroGNC} conference},
    address = {Berlin, Germany},
    month = may,
    year = {2022},
    note = {CEAS-GNC-2022-010}
}