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Impact-based piezoelectric energy harvester as a power source for a neural activity monitoring circuit

Title
Impact-based piezoelectric energy harvester as a power source for a neural activity monitoring circuit
Authors
Kim S.Ju S.Ji C.-H.
Ewha Authors
지창현
SCOPUS Author ID
지창현scopus
Issue Date
2018
Journal Title
International Journal of Grid and Distributed Computing
ISSN
2005-4262JCR Link
Citation
International Journal of Grid and Distributed Computing vol. 11, no. 3, pp. 51 - 62
Keywords
Biomedical monitoringEnergy harvestingEquivalent circuitsVibration energy
Publisher
Science and Engineering Research Support Society
Indexed
SCOPUS scopus
Document Type
Article
Abstract
Recently, energy harvesters have been studied as a power source for implantable biomedical devices. However, practical applications of energy harvesters to implantable medical devices are very rare because energy harvesters and implantable medical devices have been studied separately. In this paper, we present a neural activity monitor circuit, which is one of implantable medical devices, solely powered by an energy harvester. The system consists of an impact-based piezoelectric energy harvester, a power transfer circuit, and a neural signal monitoring circuit. Reliability of the system was verified by comparing it with a system powered by a DC power supply. It was found that the harvester provided sufficient energy to the system for reliable neural activity monitoring. We expect that presented results may work as a reference for designing harvesters and power transfer circuits together with implantable medical devices in an environment of a human body. © 2018 SERSC Australia.
DOI
10.14257/ijgdc.2018.11.3.05
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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