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말굽모양의 외팔보 구조물을 이용한 광대역 압전 에너지 하베스터

Title
말굽모양의 외팔보 구조물을 이용한 광대역 압전 에너지 하베스터
Other Titles
A Broadband Piezoelectric Energy Harvester Using a Horseshoe Shaped Cantilever Beam
Author
유홍희
Keywords
Piezoelectric effect; Energy harvester; Broadband; Kane’s method; 압전효과; 에너지 수확기; 광대역; 케인의 방법
Issue Date
2015-11
Publisher
대한기계학회
Citation
대한기계학회 창립 70주년 기념 학술대회, 2015.11, Page. 1180-1183
Abstract
A broadband piezoelectric energy harvester is one of the main issues in a piezoelectric energy harvesting research area. In a conventional design, only one natural frequency is located within an operating frequency range. Therefore, if the excitation frequency changes slightly from a resonant point to a non-resonant point, a power generation performance decreases significantly. However, a broadband piezoelectric energy harvester can be designed to have more than 1 natural frequency within the operating frequency range. In other words, the system has more possibility that it generates more power than the conventional design. In this paper, a horseshoe shaped broadband piezoelectric energy harvester is studied. Especially a distributed parameter model is developed by using a Kane’s method. This model provides kinematic information, voltage out, and electric power. The results show that broadband can be implemented using this design strategy.
URI
http://www.dbpia.co.kr/Article/NODE06575792http://hdl.handle.net/20.500.11754/28908
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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