Aeroelastic response and active control of aircraft wings modeled as thin-walled beams

Liviu Librescu, Zhanming Qin, Sungsoo Na, Gwon Chan Yoon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

The dynamic aeroelastic response and its active control of aircraft wings modeled as anisotropic composite thin-walled beams in an incompressible flow and exposed to gust and explosive type loads are examined. The structural model incorporates a number of non-classical effects, such as transverse shear, material anisotropy, warping inhibition, and rotatory inertia. The circumferentially asymmetric stiffness lay-up is used to generate preferred elastic couplings, and in this context the implication of elastic coupling, warping inhibition on the aeroelastic response is investigated. The unsteady incompressible aerodynamics for arbitrary small motion in the time domain is based on the concept of indicial functions. Dynamic aeroelastic responses due to gust and blast loads are specifically investigated. Active suppression of aeroelastic instability via novel control approach based on design of LQG controller and sliding mode observer are successfully demonstrated.

Original languageEnglish
Title of host publicationCollection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Subtitle of host publication14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App
Pages4153-4169
Number of pages17
Publication statusPublished - 2006
Event47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Newport, RI, United States
Duration: 2006 May 12006 May 4

Publication series

NameCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Volume6
ISSN (Print)0273-4508

Other

Other47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
CountryUnited States
CityNewport, RI
Period06/5/106/5/4

ASJC Scopus subject areas

  • Architecture
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

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  • Cite this

    Librescu, L., Qin, Z., Na, S., & Yoon, G. C. (2006). Aeroelastic response and active control of aircraft wings modeled as thin-walled beams. In Collection of Technical Papers - 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference: 14th AIAA/ASME/AHS Adaptive Structures Conference, 8th AIAA Non-deterministic App (pp. 4153-4169). (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference; Vol. 6).