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접착층 두께를 고려한 압전 에너지 하베스터의 불확실성 정량화

Title
접착층 두께를 고려한 압전 에너지 하베스터의 불확실성 정량화
Other Titles
Uncertainty Quantification of a Piezoelectric Energy Harvester Considering the Thickness of an Adhesive Layer
Author
유홍희
Keywords
PEH; 압전 에너지 하베스터; 불확실성 정량화; PCE; Piezoelectric Energy Harvester; Uncertainty Quantification; Polynomial Chaos Expansion
Issue Date
2017-05
Publisher
한국소음진동공학회
Citation
한국소음진동공학회논문집, v. 27, no. 5, page. 643-652
Abstract
Uncertainty quantification of a simple cantilevered piezoelectric energy harvester (PEH) is presented in this paper. Unlike most of existing studies where only substrate and piezoelectric layers are considered, the PEH system employed in this study has an additional adhesive layer between the substrate and piezoelectric layers. A deterministic electromechanical model of the PEH is constructed using the Kane’s method and the stochastic equations of the PEH system are derived employing the polynomial chaos expansion method. The thickness of adhesive and piezoelectric layers, piezoelectric coupling coefficient, and input frequency are considered as random parameters. The results show that the uncertainty of adhesive layer thickness should be considered for the reliability design of the PEH system.
URI
http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE07250204https://repository.hanyang.ac.kr/handle/20.500.11754/114108
ISSN
1598-2785; 2287-5476
DOI
10.5050/KSNVE.2017.27.5.643
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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