On the optimum parameters of a device for harvesting energy from running and walking

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dc.contributor.authorRamlan, R.
dc.contributor.authorBrennan, M. J. [UNESP]
dc.contributor.authorMace, B. R.
dc.contributor.institutionUniv Teknikal Malaysia Melaka
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Southampton
dc.date.accessioned2014-05-20T13:29:25Z
dc.date.available2014-05-20T13:29:25Z
dc.date.issued2011-06-01
dc.description.abstractThis paper investigates the feasibility of using an energy harvesting device tuned such that its natural frequency coincides with higher harmonics of the input to capture energy from walking or running human motion more efficiently. The paper starts by reviewing the concept of a linear resonant generator for a tonal frequency input and then derives an expression for the power harvested for an input with several harmonics. The amount of power harvested is estimated numerically using measured data from human subjects. Assuming that the input is periodic, the signal is reconstructed using a Fourier series before being used in the simulation. It is found that although the power output depends on the input frequency, the choice of tuning the natural frequency of the device to coincide with a particular higher harmonic is restricted by the amount of damping that is needed to maximize the amount of power harvested, as well as to comply with the size limit of the device. It is also found that it is not feasible to tune the device to match the first few harmonics when the size of the device is small, because a large amount of damping is required to limit the motion of the mass.en
dc.description.affiliationUniv Teknikal Malaysia Melaka, Fac Mech Engn, Durian Tunggal 76100, Melaka, Malaysia
dc.description.affiliationUnesp, Dept Mech Engn, Ilha Solteira, Brazil
dc.description.affiliationUniv Southampton, Inst Sound & Vibrat Res, Southampton, Hants, England
dc.description.affiliationUnespUnesp, Dept Mech Engn, Ilha Solteira, Brazil
dc.description.sponsorshipUniversiti Teknikal Malaysia Melaka (UTeM)
dc.description.sponsorshipMinistry of Higher Education Malaysia
dc.format.extent510-521
dc.identifierhttp://dx.doi.org/10.1177/0959651811407407
dc.identifier.citationProceedings of The Institution of Mechanical Engineers Part I-Journal of Systems and Control Engineering. London: Sage Publications Ltd, v. 225, n. I4, p. 510-521, 2011.
dc.identifier.doi10.1177/0959651811407407
dc.identifier.issn0959-6518
dc.identifier.lattes3283762683761655
dc.identifier.urihttp://hdl.handle.net/11449/9925
dc.identifier.wosWOS:000293915700007
dc.language.isoeng
dc.publisherSage Publications Ltd
dc.relation.ispartofProceedings of The Institution of Mechanical Engineers Part I-Journal of Systems and Control Engineering
dc.relation.ispartofjcr0.988
dc.relation.ispartofsjr0,394
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectenergy harvestingen
dc.subjectlow frequency motionen
dc.subjectoptimum parameteren
dc.subjectinput with harmonicsen
dc.titleOn the optimum parameters of a device for harvesting energy from running and walkingen
dc.typeArtigo
dcterms.licensehttp://www.uk.sagepub.com/aboutus/openaccess.htm
dcterms.rightsHolderSage Publications Ltd
unesp.author.lattes3283762683761655
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt

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