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Proceedings Paper

Design and experimental studies of an energy harvesting backpack with mechanical motion rectification
Author(s): Yue Yuan; Mingyi Liu; Wei-Che Tai; Lei Zuo
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Paper Abstract

In this short paper, we report a design of an energy harvesting backpack with a mechanical motion rectifier (MMR). Also, we report the experiment studies conducted on two male subjects who carry two types of energy harvesting backpacks, including the MMR-based and traditional energy harvesting backpack, while walking on a treadmill at 3 and 3.5 mph. The harvested power of the backpacks shunted with different resistors are reported with each walking speed to demonstrate the high efficiency of the MMR-based backpack harvester. During the tests, the MMR-based backpack harvest generated more power regardless of walking speeds and resistor values. Finally, a maximum average power of 4.8 Watts and instant power of 12.8 Watts were obtained by one subject, carrying the MMR-based backpack harvester and walking at 3.5 mph.

Paper Details

Date Published: 12 April 2017
PDF: 6 pages
Proc. SPIE 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017, 1016825 (12 April 2017); doi: 10.1117/12.2260256
Show Author Affiliations
Yue Yuan, Virginia Polytechnic Institute and State Univ. (United States)
Mingyi Liu, Virginia Polytechnic Institute and State Univ. (United States)
Wei-Che Tai, Virginia Polytechnic Institute and State Univ. (United States)
Lei Zuo, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 10168:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017
Jerome P. Lynch, Editor(s)

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