A tunable rotational energy harvester for low frequency vibration

Title
A tunable rotational energy harvester for low frequency vibration
Authors
장선준김인호정형조이윤표
Keywords
energy harvesting device; low frequency vibration; geometrical tuning; impedance method
Issue Date
2011-09
Publisher
Applied physics letters
Citation
VOL 99, NO 13, 134102-1-134102-3
Abstract
A tunable single-degree-of-freedom rotational energy harvester is proposed. The device is the combination of a rotational energy harvester and a suspended weight. Thus, it can harvest the electrical power from the translational base excitation associated with low frequency and large amplitude. Further, its natural frequency can be changeable by manipulating the size of a reel (i.e., geometrical tunability). The characteristics of the proposed device are investigated through numerical simulation and experimental test.
URI
http://pubs.kist.re.kr/handle/201004/40287
ISSN
0003-6951
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KIST Publication > Article
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