Journal
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
Volume 13, Issue 9, Pages 611-615Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1106/104538902032463
Keywords
piezoelectric; ornithopter; flapping flight; elastodynamic
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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.
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