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Electromagnetic Energy Harvester for Battery-Free IoT Solutions

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

16 Citations (Scopus)

Abstract

The massive use of wireless sensors in IoT leads to the necessity to develop a reliable solution for supplying wireless systems by energy harvesting. Generating electrical energy from ambient sources like vibration is still challenging due to the lack of efficiency of existing converters. In this context, this paper presents a battery-free solution to power a Bluetooth board by a low voltage vibration electromagnetic converter as energy source. For that, a passive energy management circuit based on a double stage voltage multiplier is proposed to rectify and improve the energy output level of the converter. Simulation and experimental investigations are conducted. Results have shown that for an electromagnetic converter with an open circuit output voltage equal to 1.8 V peak to peak, the proposed battery-free solution enables to power the Bluetooth board with a DC voltage equal to 2 V.

Original languageEnglish
Title of host publicationIEEE World Forum on Internet of Things, WF-IoT 2020 - Symposium Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Publication date06.2020
Article number9221051
ISBN (Print)978-1-7281-5504-3
ISBN (Electronic)978-1-7281-5503-6
DOIs
Publication statusPublished - 06.2020
Externally publishedYes
Event6th IEEE World Forum on Internet of Things, WF-IoT 2020 - New Orleans, United States
Duration: 02.06.202016.06.2020
https://ieeexplore.ieee.org/xpl/conhome/9217527/proceeding

Bibliographical note

Publisher Copyright:
© 2020 IEEE.

Research areas and keywords

  • autonomous IoT system
  • battery free system
  • electromagnetic principle
  • low amplitude
  • low frequency
  • passive energy management
  • vibration converter
  • vibration energy harvesting
  • voltage multiplier
  • Engineering

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