Energy harvesting using a magnetostrictive transducer based on switching control
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Authors
Li, AnGoto, Keiju
Kobayashi, Yuusuke
Hara, Yushin
Shi, Yu
Jia, Yu
Soutis, Constantinos
Kurita, Hiroki
Kurita, Fumio
Otsuka, Keisuke
Makihara, Kanjuro
Affiliation
Tohoku University; Aston University; University of Chester; University of ManchesterPublication Date
2023-03-14
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In this works we propose a switching control energy harvesting method using magnetostrictive materials. By combining a magnetostrictive material, an electric circuit, and an electronic switch, large-scale kinetic to electrical energy conversion can be achieved. The magnetostrictive material, magnet bias, and coils constitute an energy transducer, called a magnetostrictive transducer. The electronic switch strategically controls the switching of the circuit state according to an input switching signal. Using numerical simulations, we optimised the parameters and validated the harvesting performance with experimental measurements using a 3.75 m vibrated cantilever truss structure. In 20.0 s, the proposed method achieved an electrical energy of approximately 45 μJ, which is seven times more than that of the conventional passive method.Citation
Li, A., Goto, K., Kobayashi, Y., Hara, Y., Shi, Y., Jia, Y., Soutis, C., Kurita, H., Kurita, F., Otsuka, K., & Makihara, K. (2023). Energy harvesting using a magnetostrictive transducer based on switching control. Sensors and Actuators A: Physical, 355, 114303. https://doi.org/10.1016/j.sna.2023.114303Publisher
ElsevierType
ArticleISSN
0924-4247EISSN
1873-3069ae974a485f413a2113503eed53cd6c53
10.1016/j.sna.2023.114303
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