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Theses

Modeling, Analysis, and Control for Upset Recovery—from System Theory to Unmanned Aircraft Flight

Abstract : Aircraft upset conditions have, in the past, led to rare but fatal accidents and to this day remain a severe threat to civil aviation. In response, considerable efforts contributed towards the prevention and detection of upset conditions as well as recovery of the aircraft into its desired flight regime. Despite these efforts made, comprehensive strategies including analysis of aircraft dynamics, recovery control, and verification of the implemented control over a large flight envelope have been missing for future aircraft safety. In this thesis, we apply and extend recently developed tools such as bifurcation theory, sum of squares analysis and control synthesis, and nonlinear model-predictive control, to a set of newly developed piecewise polynomial aircraft models, which provide a trade-off between modeling accuracy and computational complexity. Thus, we contribute to the development as well as certification of safer flight control systems.
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Torbjørn Cunis. Modeling, Analysis, and Control for Upset Recovery—from System Theory to Unmanned Aircraft Flight. Automatic. ISAE - Institut Supérieur de l'Aéronautique et de l'Espace, 2019. English. ⟨tel-02555908⟩

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