Nonlinear Time Delayed Feedback Control of Aeroelastic Systems: A Functional Approach | Zendy

Pier Marzocca | Zendy; Liviu Librescu | Zendy; Walter Silva | Zendy

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Nonlinear Time Delayed Feedback Control of Aeroelastic Systems: A Functional Approach

Author(s) -

Pier Marzocca,

Liviu Librescu,

Walter Silva

Publication year - 2003

Publication title -

54th aiaa/asme/asce/ahs/asc structures, structural dynamics, and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2003-1867

Subject(s) - aeroelasticity , control theory (sociology) , nonlinear system , aerodynamics , nonlinear control , stability (learning theory) , flow control (data) , aerodynamic force , flow (mathematics) , computer science , boundary (topology) , engineering , control (management) , mathematics , physics , mechanics , aerospace engineering , mathematical analysis , quantum mechanics , artificial intelligence , computer network , machine learning

In addition to its intrinsic practical importance, nonlinear time delayed feedback control applied to lifting surfaces can result in interesting aeroelastic behaviors. In this paper, nonlinear aeroelastic response to external time-dependent loads and stability boundary for actively controlled lifting surfaces, in an incompressible flow field, are considered. The structural model and the unsteady aerodynamics are considered linear. The implications of the presence of time delays in the linear/nonlinear feedback control and of geometrical parameters on the aeroelasticity of lifting surfaces are analyzed and conclusions on their implications are highlighted. NOMENCLATURE

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