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Proceedings Paper

Broadband magnetic levitation-based nonlinear energy harvester
Author(s): Abdullah Nammari; Seth Doughty; Dustin Savage; Leland Weiss; Arun Jaganathan; Hamzeh Bardaweel
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Paper Abstract

In this work, development of a broadband nonlinear electromagnetic energy harvester is described. The energy harvester consists of a casing housing stationary magnets, a levitated magnet, oblique mechanical springs, and a coil. Magnetic and oblique springs introduce nonlinear behavior into the energy harvester. A mathematical model of the proposed device is developed and validated. The results show good agreement between model and experiment. The significance of adding oblique mechanical springs to the energy harvester design is investigated using the model simulation. The results from the model suggest that adding oblique springs to the energy harvester will improve the performance and increase the frequency bandwidth and amplitude response of the energy harvester.

Paper Details

Date Published: 17 May 2016
PDF: 10 pages
Proc. SPIE 9865, Energy Harvesting and Storage: Materials, Devices, and Applications VII, 98650L (17 May 2016); doi: 10.1117/12.2231194
Show Author Affiliations
Abdullah Nammari, Louisiana Tech Univ. (United States)
Seth Doughty, Louisiana Tech Univ. (United States)
Dustin Savage, Louisiana Tech Univ. (United States)
Leland Weiss, Louisiana Tech Univ. (United States)
Arun Jaganathan, Louisiana Tech Univ. (United States)
Hamzeh Bardaweel, Louisiana Tech Univ. (United States)


Published in SPIE Proceedings Vol. 9865:
Energy Harvesting and Storage: Materials, Devices, and Applications VII
Nibir K. Dhar; Achyut K. Dutta, Editor(s)

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