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Energy Harvesters for Human-Monitoring Applications
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
energy harvester, wireless sensor network, WSN, photovoltaic cell, thermo electric generator, RF harvester, electrostatic, electromagnetic, vibratory type,
Full Text: FreePDF
This paper introduces the basics of energy harvesters and demonstrates two specific vibratory-type energy harvesters developed at the University of Hyogo. The fabrication and evaluation results of the vibratory-type energy harvesters, which employ electrostatic and electromagnetic mechanisms, are described. The aim of developing these devices is to realize a power source for an autonomous human monitoring system. The results of harvesting from actual human activities obtained using a data logger are also described. Moreover, challenges in the power management of electronic circuitry used for energy harvesting are briefly discussed.