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 language | English |
|---|---|
| Pages (from-to) | 5515-5521 |
| Number of pages | 7 |
| Journal | IEEE Sensors Journal |
| Volume | 18 |
| Issue number | 13 |
| DOIs | |
| State | Published - Jul 1 2018 |
Keywords
- Energy harvesting
- self-power
- UV exposure monitoring
- wearable sensors
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