Multifunctional structures are pointed out as an important technology for the design of aircraft with volume, mass, and energy source limitations such as unmanned air vehicles (UAVs) and micro air vehicles (MAVs). In addition to its primary function of bearing aerodynamic loads, the wing/spar structure of an UAV or a MAV with embedded piezoceramics can provide an extra electrical energy source based on the concept of vibration energy harvesting to power small and wireless electronic components. Aeroelastic vibrations of a lifting surface can be converted into electricity using piezoelectric transduction. In this paper, frequency-domain piezoaeroelastic modeling and analysis of a cantilevered platelike wing with embedded piezoceramics is presented for energy harvesting. The electromechanical finite-element plate model is based on the thin-plate (Kirchhoff) assumptions while the unsteady aerodynamic model uses the doublet-lattice method. The electromechanical and aerodynamic models are combined to obtain the piezoaeroelastic equations, which are solved using a p-k scheme that accounts for the electromechanical coupling. The evolution of the aerodynamic damping and the frequency of each mode are obtained with changing airflow speed for a given electrical circuit. Expressions for piezoaeroelastically coupled frequency response functions (voltage, current, and electrical power as well the vibratory motion) are also defined by combining flow excitation with harmonic base excitation. Hence, piezoaeroelastic evolution can be investigated in frequency domain for different airflow speeds and electrical boundary conditions.
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e-mail: demarqui@sc.usp.br
e-mail: wandergrv@gmail.com
e-mail: erturk@vt.edu
e-mail: dinman@vt.edu
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February 2011
Research Papers
Modeling and Analysis of Piezoelectric Energy Harvesting From Aeroelastic Vibrations Using the Doublet-Lattice Method
Carlos De Marqui, Jr.,
Carlos De Marqui, Jr.
Department of Aeronautical Engineering, Engineering School of São Carlos,
e-mail: demarqui@sc.usp.br
University of São Paulo
, 13566-590, São Carlos, São Paulo, Brazil
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Wander G. R. Vieira,
Wander G. R. Vieira
Department of Aeronautical Engineering, Engineering School of São Carlos,
e-mail: wandergrv@gmail.com
University of São Paulo
, 13566-590, São Carlos, São Paulo, Brazil
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Alper Erturk,
Alper Erturk
Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures,
e-mail: erturk@vt.edu
Virginia Polytechnic Institute and State University
, Blacksburg, VA 24061-0002
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Daniel J. Inman
Daniel J. Inman
Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures,
e-mail: dinman@vt.edu
Virginia Polytechnic Institute and State University
, Blacksburg, VA 24061-0002
Search for other works by this author on:
Carlos De Marqui, Jr.
Department of Aeronautical Engineering, Engineering School of São Carlos,
University of São Paulo
, 13566-590, São Carlos, São Paulo, Brazile-mail: demarqui@sc.usp.br
Wander G. R. Vieira
Department of Aeronautical Engineering, Engineering School of São Carlos,
University of São Paulo
, 13566-590, São Carlos, São Paulo, Brazile-mail: wandergrv@gmail.com
Alper Erturk
Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures,
Virginia Polytechnic Institute and State University
, Blacksburg, VA 24061-0002e-mail: erturk@vt.edu
Daniel J. Inman
Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures,
Virginia Polytechnic Institute and State University
, Blacksburg, VA 24061-0002e-mail: dinman@vt.edu
J. Vib. Acoust. Feb 2011, 133(1): 011003 (9 pages)
Published Online: December 8, 2010
Article history
Received:
January 22, 2010
Revised:
July 2, 2010
Online:
December 8, 2010
Published:
December 8, 2010
Citation
De Marqui, C., Jr., Vieira, W. G. R., Erturk, A., and Inman, D. J. (December 8, 2010). "Modeling and Analysis of Piezoelectric Energy Harvesting From Aeroelastic Vibrations Using the Doublet-Lattice Method." ASME. J. Vib. Acoust. February 2011; 133(1): 011003. https://doi.org/10.1115/1.4002785
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