Design and Fabrication of Low Frequency Driven Energy Harvester Using Electromagnetic Conversion

被引：14

作者：

Lee, Byung-Chul ^{[1
]}

Chung, Gwiy-Sang ^{[1
]}

机构：

[1] Univ Ulsan, Dept Elect Engn, Ulsan 780749, South Korea

来源：

TRANSACTIONS ON ELECTRICAL AND ELECTRONIC MATERIALS | 2013年 / 14卷 / 03期

关键词：

Energy harvesting; Electromagnetic; Low frequency; FR-4; Permanent magnet;

D O I：

10.4313/TEEM.2013.14.3.143

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper describes a low frequency driven electromagnetic energy harvester (EMEH) which consists of a thin flame resistant (FR-4) planar spring, NdFeB permanent magnets, and a copper coil. The FR-4 spring was fabricated using a desk computer numerical control (CNC) 3D modeling machine. Mathematical modeling and ANSYS finite element analysis (FEA) were used totheoretically investigate the mechanical properties of the spring mass system. The proposed EMEH generates a maximum power of 65.33 mu W at a resonance frequency of 8 Hz with an acceleration of 0.2 g (1 g = 9.8 m/s(2)) and a superior normalized power density (NPD) of 77 mu W/cm(3).g(2).

引用

页码：143 / 147

页数：5

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