Robust aeroelastic control of two-dimensional supersonic flapped wing systems

The performance of a robust control strategy applied to a two-dimensional supersonic flap-wing aeroelastic system impacted by a pressure pulse in the subcritical supersonic flight speed regime is analyzed. The piston theory aerodynamic model modified to account for the flap deflection has been consi...

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Published in:Acta mechanica 2007-08, Vol.192 (1-4), p.37-47
Main Authors: NA, S. S, LIBRESCU, L, MARZOCCA, P, YOON, G. C, RUBILLO, C, BONG, K
Format: Article
Language:English
Subjects:
Aerodynamics
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
General theory
Mechanical engineering
Physics
Robust control
Solid mechanics
Structural and continuum mechanics
Vibration analysis
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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description The performance of a robust control strategy applied to a two-dimensional supersonic flap-wing aeroelastic system impacted by a pressure pulse in the subcritical supersonic flight speed regime is analyzed. The piston theory aerodynamic model modified to account for the flap deflection has been considered. The study is carried-out via implementation of the Linear Quadratic Gaussian (LQG) control methodology with sliding mode observer. Its performance toward suppressing flutter, reducing the vibrational level amplitudes, as well as toward eliminating the observation spillover due to the unmeasured states is revealed through numerical simulations, and pertinent conclusions are outlined. [PUBLICATION ABSTRACT]
doi_str_mv 10.1007/s00707-006-0419-3
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source Springer Nature
subjects Aerodynamics
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
General theory
Mechanical engineering
Physics
Robust control
Solid mechanics
Structural and continuum mechanics
Vibration analysis
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
title Robust aeroelastic control of two-dimensional supersonic flapped wing systems
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