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S 모양의 보 구조물을 이용한 다모드 압전 에너지 하베스터

Title
S 모양의 보 구조물을 이용한 다모드 압전 에너지 하베스터
Other Titles
S Shaped Multimodal Piezoelectric Energy Harvester
Author
유홍희
Keywords
압전 에너지 하베스터; 광대역; 다모드의; 분포 매개변수 모델; Piezoelectric energy harvester; Broadband; Multimodal; Distributed parameter model
Issue Date
2016-04
Publisher
한국소음진동공학회
Citation
한국소음진동공학회 2016년도 춘계 학술대회 논문집, Page.80-82
Abstract
Vibration based piezoelectric energy harvester have attracted a lot of interest due to its simple implementations and high energy density. However, if natural frequencies of the system do not correspond to an input vibration frequency, generated power decreases significantly. In this paper, a new broadband piezoelectric energy harvester that consist of three beams and seems like the alphabet S is introduced. The equations of motion are built. A modal analysis is conducted and the results show that the lowest three natural frequencies can be spaced so closely by changing the length, thickness, and tip mass of each beam.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE06676981http://hdl.handle.net/20.500.11754/47682
ISSN
1598-2548; 2465-8553
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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