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

Title
Broadband energy-harvesting using a two degree-of-freedom vibrating body
Authors
김인호정형조이보미장선준
Issue Date
2011-05
Publisher
Applied physics letters
Citation
VOL 98, NO 21, 214102-1-214102-3
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/42280
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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