A Low-Cost Electromagnetic Generator for Vibration Energy Harvesting

被引：50

作者：

Bouendeu, Emmanuel ^{[1
]}

Greiner, Andreas ^{[1
]}

Smith, Patrick J. ^{[1
]}

Korvink, Jan G. ^{[1
]}

机构：

[1] Univ Freiburg, Dept Microsyst Engn IMTEK, Lab Simulat, D-79110 Freiburg, Germany

来源：

IEEE SENSORS JOURNAL | 2011年 / 11卷 / 01期

关键词：

Electrodeposited foil (ED-foil); electromagnetic generator; energy harvesting; low and high cycle fatigue; low-cost; neodymium iron boron (NdFeB); polymethyl methacrylate (PMMA); vibration; FATIGUE;

D O I：

10.1109/JSEN.2010.2050310

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper reports on a low-cost high-performance generator, which is based on a hybrid approach that uses polymethyl methalcrylate and electrodeposited foil to convert mechanical vibration into electrical power based on Faraday's law of magnetic induction. The generator is equipped with four wire-wound micro-coils that can be used separately or connected together depending on the voltage and electrical power requirement of the application. The fabricated generator which has a harvester effectiveness of 55.5% was able to supply a 500-load with 422 mu W of electrical power. Investigations have revealed that the utilization factor of the mechanical resonator can be used as an indicator of the lifetime of the generator with respect to fatigue analysis. The reported generator weighs only 12.7 g and is a good candidate for applications where lightweight generators are important.

引用

页码：107 / 113

页数：7

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