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Investigation of a cantilever structured piezoelectric energy harvester used for wearable devices with random vibration input
Abstract The capability of using a linear kinetic energy harvester — A cantilever structured piezoelectric energy harvester — to harvest human motions in the real-life activities is investigated. The whole loop of the design, simulation, fabrication and test of the energy harvester is presented. With the smart wristband/watch sized energy harvester, a root mean square of the output power of 50 μW is obtained from the real-life hand-arm motion in human’s daily life. Such a power is enough to make some low power consumption sensors to be self-powered. This paper provides a good and reliable comparison to those with nonlinear structures. It also helps the designers to consider whether to choose a nonlinear structure or not in a particular energy harvester based on different application scenarios.
Investigation of a cantilever structured piezoelectric energy harvester used for wearable devices with random vibration input
Abstract The capability of using a linear kinetic energy harvester — A cantilever structured piezoelectric energy harvester — to harvest human motions in the real-life activities is investigated. The whole loop of the design, simulation, fabrication and test of the energy harvester is presented. With the smart wristband/watch sized energy harvester, a root mean square of the output power of 50 μW is obtained from the real-life hand-arm motion in human’s daily life. Such a power is enough to make some low power consumption sensors to be self-powered. This paper provides a good and reliable comparison to those with nonlinear structures. It also helps the designers to consider whether to choose a nonlinear structure or not in a particular energy harvester based on different application scenarios.
Investigation of a cantilever structured piezoelectric energy harvester used for wearable devices with random vibration input
Bai, Y. (Yang) (author) / Tofel, P. (Pavel) (author) / Hadas, Z. (Zdenek) (author) / Smilek, J. (Jan) (author) / Losak, P. (Petr) (author) / Skarvada, P. (Pavel) (author) / Macku, R. (Robert) (author)
2018-01-01
Article (Journal)
Electronic Resource
English
DDC:
690
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