Broadband magnetic levitation-based nonlinear energy harvester

Abdullah Nammari; Seth Doughty; Dustin Savage; Leland Weiss; Arun Jaganathan; Hamzeh Bardaweel

doi:10.1117/12.2231194

17 May 2016 Broadband magnetic levitation-based nonlinear energy harvester

Abdullah Nammari, Seth Doughty, Dustin Savage, Leland Weiss, Arun Jaganathan, Hamzeh Bardaweel

Author Affiliations +

Proceedings Volume 9865, Energy Harvesting and Storage: Materials, Devices, and Applications VII; 98650L (2016) https://doi.org/10.1117/12.2231194
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

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.

Citation Download Citation

Abdullah Nammari, Seth Doughty, Dustin Savage, Leland Weiss, Arun Jaganathan, and 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); https://doi.org/10.1117/12.2231194

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