Broadband energy-harvesting using a two degree-of-freedom vibrating body

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In this letter, we introduce the concept and describe the realization of a two degree-of-freedom piezoelectric energy-harvesting device. The proposed system consists of a proof mass (i.e., a rigid body) and two cantilever beams; it can utilize both translational and rotational degrees of freedom. Therefore, it exhibits double power peaks and an increased frequency bandwidth, and it can generate power more efficiently than conventional vibration-based single degree-of-freedom devices. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3595278]
Publisher
AMER INST PHYSICS
Issue Date
2011-05
Language
English
Article Type
Article
Citation

APPLIED PHYSICS LETTERS, v.98, no.21

ISSN
0003-6951
URI
http://hdl.handle.net/10203/94994
Appears in Collection
CE-Journal Papers(저널논문)
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