Abstract
Multimodal energy harvester comprising of magnetostrictive and electromagnetic system was designed and analyzed with overall shape and size similar to AA battery. In the proposed design, magnetostrictive plates were mounted on the base and top cap of the harvester. The cylindrical shell housed a magnetic levitation cavity where center magnet was suspended between the top and bottom magnet attached to the base and top cover. This design allows the system to harvest energy from magnetostrictive material through Villari effect and from the oscillating permanent magnet within a hollow cavity through Faraday's effect. By specifying generator geometry and estimating system parameters, theoretical output power for the proposed design was determined for two different center magnet geometry. The output power and voltage was analyzed using the analytical and FEM modeling to identify the overall response of the multimodal structure.
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