Lowering the potential barrier of a bistable energy harvester with mechanically rectified motion of an auxiliary magnet oscillator

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dc.contributor.authorMinh Sang Nguyenko
dc.contributor.authorYoon, Yong-Jinko
dc.contributor.authorKwon, Ojinko
dc.contributor.authorKim, Pilkeeko
dc.date.accessioned2018-09-18T06:39:26Z-
dc.date.available2018-09-18T06:39:26Z-
dc.date.created2018-09-10-
dc.date.created2018-09-10-
dc.date.created2018-09-10-
dc.date.issued2017-12-
dc.identifier.citationAPPLIED PHYSICS LETTERS, v.111, no.25-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/245717-
dc.description.abstractIn this study, we propose a bistable energy harvester with an auxiliary magnet oscillator (BEH-O), whose motion is mechanically rectified to enhance its broadband energy harvesting performance. The design of the proposed BEH-O system is based on local modification of the double-well potential. The auxiliary oscillator with the mechanical rectifier is designed in such a manner that its rectified half-sine motion tends to reduce the saddle barrier of restoring potential, leading to a possibility of an easier escape from the potential well, while keeping other parts of the potential, thereby maintaining high-energy orbital motion. Consequently, the lower bound of the operating frequency band of the BEH-O is reduced, when compared to its conventional counterpart, i.e., conventional bistable energy harvester (CBEH), while its upper bound remains unchanged. Such a broader frequency band of the BEH-O can be directly compared with that of the CBEH, as there is little difference in the high-energy orbital motion between the two. This beneficial effect of the BEH-O system is theoretically and experimentally supported by bifurcation analyses and frequency response analyses. Published by AIP Publishing.-
dc.languageEnglish-
dc.publisherAMER INST PHYSICS-
dc.titleLowering the potential barrier of a bistable energy harvester with mechanically rectified motion of an auxiliary magnet oscillator-
dc.typeArticle-
dc.identifier.wosid000418648800046-
dc.identifier.scopusid2-s2.0-85040170421-
dc.type.rimsART-
dc.citation.volume111-
dc.citation.issue25-
dc.citation.publicationnameAPPLIED PHYSICS LETTERS-
dc.identifier.doi10.1063/1.4994111-
dc.contributor.localauthorYoon, Yong-Jin-
dc.contributor.nonIdAuthorMinh Sang Nguyen-
dc.contributor.nonIdAuthorKwon, Ojin-
dc.contributor.nonIdAuthorKim, Pilkee-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
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