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A Shoe-Embedded Piezoelectric Energy Harvester for Wearable Sensors
Open accessAbstract
Harvesting mechanical energy from human motion is an attractive approach for obtaining clean and sustainable electric energy to power wearable sensors, which are widely used for health monitoring, activity recognition, gait analysis and so on. This paper studies a piezoelectric energy harvester for the parasitic mechanical energy in shoes originated from human motion. The harvester is based on a specially designed sandwich structure with a thin thickness, which makes it readily compatible with a shoe. Besides, consideration is given to both high performance and excellent durability. The harvester provides an average output power of 1 mW during a walk at a frequency of roughly 1 Hz. Furthermore, a direct current (DC) power supply is built through integrating the harvester with a power management circuit. The DC power supply is tested by driving a simulated wireless transmitter, which can be activated once every 2–3 steps with an active period lasting 5 ms and a mean power of 50 mW. This work demonstrates the feasibility of applying piezoelectric energy harvesters to power wearable sensors.
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Citations
Cites
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Cited by
Monitoring of Vital Signs with Flexible and Wearable Medical Devices
Khan, Y., Ostfeld, A. E., Lochner, C. M., Pierre, A., & Arias, A. C. (2016) · Advanced Materials · doi:10.1002/adma.201504366 · Cited by 1,408
Safaei, M., Sodano, H. A., & Anton, S. R. (2019) · Smart Materials and Structures · doi:10.1088/1361-665x/ab36e4 · Cited by 874
“Various piezoelectric wearable harvesters including (a) shoe harvester with a slider mechanism (reprinted from [380], with the permission of AIP Publishing), (b) shoe harvester with wavy structure (reproduced from [382].”
BackgroundInfluentialDesign, optimization, modeling and testing of a piezoelectric footwear energy harvester
Qian, F., Xu, T.-B., & Zuo, L. (2018) · Energy Conversion and Management · doi:10.1016/j.enconman.2018.06.069 · Cited by 194
Piezoelectric energy harvesting from human walking using a two-stage amplification mechanism
Qian, F., Xu, T.-B., & Zuo, L. (2019) · Energy · doi:10.1016/j.energy.2019.116140 · Cited by 109
Evaluation of harvesting energy from pedestrians using piezoelectric floor tile energy harvester
Yingyong, P., Thainiramit, P., Jayasvasti, S., Thanach-Issarasak, N., & Isarakorn, D. (2021) · Sensors and Actuators A: Physical · doi:10.1016/j.sna.2021.113035 · Cited by 43
Metadata
- Authors
- Zhao, J., & You, Z.
- Venue
- Sensors
- Publisher
- MDPI AG
- Published
- 2014-07-11
- Volume
- 14
- Issue
- 7
- Pages
- 12497-12510
- ISSN
- 1424-8220 (ISSN-L)
- OpenAlex
- W2162474103
- Cited by
- 292
- References
- 2
- FWCI
- 17.53
- Type
- journal article
- Language
- en
- Open access
- gold
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