접착층 두께를 고려한 압전 에너지 하베스터의 불확실성 정량화Uncertainty Quantification of a Piezoelectric Energy Harvester Considering the Thickness of an Adhesive Layer
- Other Titles
- Uncertainty Quantification of a Piezoelectric Energy Harvester Considering the Thickness of an Adhesive Layer
- Authors
- 박정준; 유홍희
- Issue Date
- Oct-2017
- Publisher
- 한국소음진동공학회
- Keywords
- Piezoelectric Energy Harvester; Uncertainty Quantification; Polynomial Chaos Expansion; PEH; 압전 에너지 하베스터; 불확실성 정량화; PCE
- Citation
- 한국소음진동공학회논문집, v.27, no.5, pp.643 - 652
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 27
- Number
- 5
- Start Page
- 643
- End Page
- 652
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2742
- DOI
- 10.5050/KSNVE.2017.27.5.643
- ISSN
- 1598-2785
- 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.
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