Optimization and performance improvement of an electromagnetic-type energy harvester with consideration of human walking vibration

被引：0
作者：
Jongho Seo
Jin-Su Kim
Un-Chang Jeong
Yong-Dae Kim
Young-Cheol Kim
Hanmin Lee
Jae-Eung Oh
机构：
[1] Hanyang University,Department of Mechanical Convergence Engineering
[2] Korea Institute of Machinery and Materials (KIMM),Department of System Dynamics
[3] Korea Institute of Machinery and Materials (KIMM),Department of System Reliability
[4] Hanyang University,School of Mechanical Engineering, Hanyang University 211
来源：
Journal of the Korean Physical Society | 2016年 / 68卷
关键词：
Electromagnetic; Energy harvester; Human walking vibration; Optimization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, we derived an equation of motion for an electromechanical system in view of the components and working mechanism of an electromagnetic-type energy harvester (ETEH). An electromechanical transduction factor (ETF) was calculated using a finite-element analysis (FEA) based on Maxwell’s theory. The experimental ETF of the ETEH measured by means of sine wave excitation was compared with and FEA data. Design parameters for the stationary part of the energy harvester were optimized in terms of the power performance by using a response surface method (RSM). With optimized design parameters, the ETEH showed an improvement in performance. We experimented with the optimized ETEH (OETEH) with respect to changes in the external excitation frequency and the load resistance by taking human body vibration in to account. The OETEH achieved a performance improvement of about 30% compared to the initial model.
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页码：431 / 442
页数：11
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