Communication Dans Un Congrès Année : 2023

Flutter detection using reduced-order dynamic isolation observer

Résumé

This article deals with the damping estimation of a single mode for multiple-input-multiple-output high-order linear time-invariant systems. The mode of interest is isolated by an optimal blending of the input and output vectors. Since the blended model appears similar to a single-input single-output second order system, we propose a dynamic observer aiming at the damping estimation of such a reduced order model. Applying the interconnection and damping assignment passivity-based observer technique for the design, the asymptotic convergence of the observer is shown using the LaSalle’s invariance principle. Finally, the damping estimator is illustrated through numerical simulations of a generic flexible aircraft model obtained from frequency samples provided by AIRBUS.

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Dates et versions

hal-04626419 , version 1 (13-11-2024)

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Jesus-Pablo Toledo-Zucco, Alex dos Reis De Souza, Pierre Vuillemin, C. Poussot-Vassal, Robin Vernay, et al.. Flutter detection using reduced-order dynamic isolation observer. 2023 European Control Conference (ECC), Jun 2023, Bucarest, Romania. ⟨10.23919/ECC57647.2023.10178173⟩. ⟨hal-04626419⟩

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