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Towards batteryfree and wireless sensing for personalized ultraviolet exposure monitoring

  • Yingxiao Wu
  • , Zhuolin Yang
  • , Feng Lin
  • , Wenyao Xu
  • SUNY Buffalo
  • University of Colorado Denver

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A personalized wireless wearable system for measuring environmental information requires small size and light weight for portability. Body energy harvesting (e.g., kinetics, heat) is a promising solution to make the system work without battery, thus increasing the portability. In this paper, a personalized wireless sensing system powered by human body heat via thermal electric energy harvesting prototype is presented. Challenges caused by dynamic voltage supply, dynamic charging rates, and low-energy supply systems are identified and addressed. The experimental results show that this system can power a microcontroller and sensors while enabling wireless transmission of data. The thermoelectric generator with a heat sink is able to provide a steady charging voltage for 30-120 min.

Original languageEnglish
Pages (from-to)5515-5521
Number of pages7
JournalIEEE Sensors Journal
Volume18
Issue number13
DOIs
StatePublished - Jul 1 2018

Keywords

  • Energy harvesting
  • self-power
  • UV exposure monitoring
  • wearable sensors

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