Surfing the high energy output branch of nonlinear energy harvesters

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dc.contributor.authorMallick, Dhiman
dc.contributor.authorAmann, Andreas
dc.contributor.authorRoy, Saibal
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderUniversity College Corken
dc.date.accessioned2016-11-14T12:40:34Z
dc.date.available2016-11-14T12:40:34Z
dc.date.issued2016-11-04
dc.date.updated2016-11-14T12:27:24Z
dc.description.abstractHysteresis and multistability are fundamental phenomena of driven nonlinear oscillators, which, however, restrict many applications such as mechanical energy harvesting. We introduce an electrical control mechanism to switch from the low to the high energy output branch of a nonlinear energy harvester by exploiting the strong interplay between its electrical and mechanical degrees of freedom. This method improves the energy conversion efficiency over a wide bandwidth in a frequency-amplitude-varying environment using only a small energy budget. The underlying effect is independent of the device scale and the transduction method and is explained using a modified Duffing oscillator model.en
dc.description.sponsorshipScience Foundation Ireland (SFI Principal Investigator (PI) project on Vibration Energy Harvesting Grant No. SFI-11/PI/1201); University College Cork (UCC Strategic Research Fund award)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid197701
dc.identifier.citationMallick, D., Amann, A., Roy, S., (2016) 'Surfing the high energy output branch of nonlinear energy harvesters'. Physical Review Letters, 117(19), 197701 (5pp). doi: 10.1103/PhysRevLett.117.197701en
dc.identifier.doi10.1103/PhysRevLett.117.197701
dc.identifier.endpage197701-5en
dc.identifier.issn0031-9007
dc.identifier.issued19en
dc.identifier.journaltitlePhysical Review Lettersen
dc.identifier.startpage197701-1en
dc.identifier.urihttps://hdl.handle.net/10468/3272
dc.identifier.volume117en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2016 American Physical Society. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Physical Review Letters, 117(19) and may be found at http://link.aps.org/doi/10.1103/PhysRevLett.117.197701en
dc.subjectNonlinear oscillatorsen
dc.subjectHysteresisen
dc.subjectMechanical energy harvestingen
dc.subjectDuffing oscillator modelen
dc.titleSurfing the high energy output branch of nonlinear energy harvestersen
dc.typeArticle (peer-reviewed)en
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