In this study, a harvesting device embedded into a suspended backpack was developed to harness part of a human's biomechanical energy and reduce dynamic force of the backpack on the carrier. The harvester utilized a spring mass damping system to translate the human body's vertical movement during walking into the rotation of a gear train, which then drives rotary generators to produce electricity. A prototype was built to examine the theoretical study, which showed that the experimental tests agreed with the simulation. Compared with previous work, the harvester in this work had a 40% higher harvesting energy efficiency.
Development of a Suspended Backpack for Harvesting Biomechanical Energy
Contributed by the Design Automation Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received March 26, 2014; final manuscript received January 19, 2015; published online March 5, 2015. Assoc. Editor: Matthew B. Parkinson.
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Xie, L., and Cai, M. (May 1, 2015). "Development of a Suspended Backpack for Harvesting Biomechanical Energy." ASME. J. Mech. Des. May 2015; 137(5): 054503. https://doi.org/10.1115/1.4029807
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