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Journal of Intelligent Material Systems and Structures
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The Development of Elastodynamic Components for Piezoelectrically Actuated Flapping Micro-Air Vehicles

Adam Cox

Department of Mechanical Engineering, Vanderbilt University, Nashville, TN, USA

Daniel Monopoli

Department of Mechanical Engineering, Vanderbilt University, Nashville, TN, USA

Dragan Cveticanin

Department of Mechanical Engineering, Vanderbilt University, Nashville, TN, USA

Michael Goldfarb

Department of Mechanical Engineering, Vanderbilt University, Nashville, TN, USA

Ephrahim Garcia

DARPA, Defense Sciences Office, Arlington, VA, USA

This paper describes the development of skeletal mechanisms and wings for the electromechanical emulation of mesoscale flapping flight. Specifically, three piezoelectrically actuated flexure-based mechanisms are described that transform the linear output of piezoelectric unimorph actuators into single-degree-of-freedom flapping motion, and experimental results are described that characterize their performance. Additionally, efforts in the development of aeroelastically tailored wings are described, and data is presented that characterizes how the ratio of bending to torsional natural frequencies of the wing influences wing lift and efficiency.

Key Words: piezoelectric • ornithopter • flapping flight • elastodynamic

Journal of Intelligent Material Systems and Structures, Vol. 13, No. 9, 611-615 (2002)
DOI: 10.1106/104538902032463
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