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Active Control of Origami Inspired Camber Morphing Airfoil for Gust Load Alleviation

[+] Author Affiliations
Kaman Thapa Magar, Kazuko Fuchi

University of Dayton Research Institute, Dayton, OH

Alexander M. Pankonien, Richard V. Beblo, Gregory W. Reich

Air Force Research Laboratory, Wright-Patterson AFB, OH

Paper No. SMASIS2018-8040, pp. V001T03A012; 8 pages
  • ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation, and Control of Adaptive Systems; Integrated System Design and Implementation
  • San Antonio, Texas, USA, September 10–12, 2018
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-5194-4
  • Copyright © 2018 by ASME


An origami design pattern is integrated to an active control system through camber morphing for vibration suppression and gust load alleviation in a typical wing section. Origami design parameters are optimized to have high sensitivity in chordwise fold angle and a maximum camber of 10% chord. A LQR controller is used to achieve the desired vibration suppression in a lightly damped aeroelastic system. The desired vibration suppression is achieved with change in camber of below 5% chord for an initial displacement condition induced vibration and less than 1% chord for gust excited vibration. Results also show that camber morphing is effective in suppressing vibration in both pitch and plunge degrees of freedom simultaneously.

Copyright © 2018 by ASME



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