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Proceedings 2017, 1(4), 581; doi:10.3390/proceedings1040581

A Nonlinear Energy Harvesting with Asymmetry Compensation

1
DIEEI—University of Catania, v.le A. Doria, 6, 95125 Catania, Italy
2
Space and Naval Warfare Systems Center Pacific, Code 71000, San Diego, CA 92152-5000, USA
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 8 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
Download PDF [572 KB, uploaded 4 September 2017]

Abstract

A Nonlinear Energy Harvester designed to scavenge energy from wide-band mechanical vibrations is presented. The harvester exploits the advantages of a flexible beam in a Snap-Through-Buckling configuration and a novel magnetic repulsion mechanism to compensate for the asymmetric behavior of the device, in the vertical direction, due to the effect of the proof mass load. The device is demonstrated to be capable of scavenging energy in the range 0.5–10 Hz, which is compatible with many vibration sources, and to generate power up to 120 µW in case of an impulsive input at 5 Hz.
Keywords: nonlinear energy harvesting; Snap-Through Buckling; piezoelectric conversion; characterization; magnetic repulsive force nonlinear energy harvesting; Snap-Through Buckling; piezoelectric conversion; characterization; magnetic repulsive force
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Andò, B.; Baglio, S.; Marletta, V.; Pistorio, A.; Bulsara, A.R. A Nonlinear Energy Harvesting with Asymmetry Compensation. Proceedings 2017, 1, 581.

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