Control oriented reduced order modeling of a flexible winged aircraft

Luspay, Tamas and Peni, Tamas and Vanek, Balint (2018) Control oriented reduced order modeling of a flexible winged aircraft. In: IEEE Aerospace Conference, 3-10 Március 2018, Big Sky, MT, USA.

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Abstract

This paper presents a systematic framework for developing a dynamical model for flexible aircrafts, which is suitable for model-based control design. Traditional modeling tools, such as Finite Element (FEM) and Doublet Lattice Method (DLM) are used for developing a detailed model, which captures the entire behavior of the aircraft. However, the dimension and complexity of the model exceed the currently available computational need of model-based control design. Consequently, a model order reduction framework has been developed and applied for the high fidelity representation. The paper is the first reported results on reducing a $524$ dimensional dynamical aircraft model. The main focus is to preserve the information relevant for control design, e.g., the flutter phenomena. From this viewpoint, the final $35$ dimensional model shows encouraging results, as shown in the paper.

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