17 May 2016 Broadband magnetic levitation-based nonlinear energy harvester
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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.
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Abdullah Nammari, Abdullah Nammari, Seth Doughty, Seth Doughty, Dustin Savage, Dustin Savage, Leland Weiss, Leland Weiss, Arun Jaganathan, Arun Jaganathan, Hamzeh Bardaweel, Hamzeh Bardaweel, } "Broadband magnetic levitation-based nonlinear energy harvester", Proc. SPIE 9865, Energy Harvesting and Storage: Materials, Devices, and Applications VII, 98650L (17 May 2016); doi: 10.1117/12.2231194; https://doi.org/10.1117/12.2231194
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