On the performance of a dual-mode non-linear vibration energy harvesting device

dc.contributor.authorRamlan, Roszaidi
dc.contributor.authorBrennan, Michael J. [UNESP]
dc.contributor.authorMace, Brian R.
dc.contributor.authorBurrow, Stephen G.
dc.contributor.institutionUniv Teknikal Malaysia Melaka UTeM
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Auckland
dc.contributor.institutionUniv Bristol
dc.date.accessioned2014-05-20T13:29:25Z
dc.date.available2014-05-20T13:29:25Z
dc.date.issued2012-09-01
dc.description.abstractThe research trend for harvesting energy from the ambient vibration sources has moved from using a linear resonant generator to a non-linear generator in order to improve on the performance of a linear generator; for example, the relatively small bandwidth, intolerance to mistune and the suitability of the device for low-frequency applications. This article presents experimental results to illustrate the dynamic behaviour of a dual-mode non-linear energy-harvesting device operating in hardening and bi-stable modes under harmonic excitation. The device is able to change from one mode to another by altering the negative magnetic stiffness by adjusting the separation gap between the magnets and the iron core. Results for the device operating in both modes are presented. They show that there is a larger bandwidth for the device operating in the hardening mode compared to the equivalent linear device. However, the maximum power transfer theory is less applicable for the hardening mode due to occurrence of the maximum power at different frequencies, which depends on the non-linearity and the damping in the system. The results for the bi-stable mode show that the device is insensitive to a range of excitation frequencies depending upon the input level, damping and non-linearity.en
dc.description.affiliationUniv Teknikal Malaysia Melaka UTeM, Fac Mech Engn, Durian Tunggal 76100, Melaka, Malaysia
dc.description.affiliationUniv Estadual Paulista UNESP, Dept Mech Engn, Ilha Solteira, Brazil
dc.description.affiliationUniv Auckland, Dept Mech Engn, Auckland 1, New Zealand
dc.description.affiliationUniv Bristol, Dept Aerosp Engn, Bristol, Avon, England
dc.description.affiliationUnespUniv Estadual Paulista UNESP, Dept Mech Engn, Ilha Solteira, Brazil
dc.description.sponsorshipGovernment of Malaysia through the Ministry of Higher Education Malaysia
dc.description.sponsorshipUniversiti Teknikal Malaysia Melaka (UTeM) under the Bumiputera Academic Training Scheme (SLAB) scholarship award
dc.format.extent1423-1432
dc.identifierhttp://dx.doi.org/10.1177/1045389X12443017
dc.identifier.citationJournal of Intelligent Material Systems and Structures. London: Sage Publications Ltd, v. 23, n. 13, p. 1423-1432, 2012.
dc.identifier.doi10.1177/1045389X12443017
dc.identifier.issn1045-389X
dc.identifier.urihttp://hdl.handle.net/11449/9922
dc.identifier.wosWOS:000308045800003
dc.language.isoeng
dc.publisherSage Publications Ltd
dc.relation.ispartofJournal of Intelligent Material Systems and Structures
dc.relation.ispartofjcr2.211
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectnon-linear energy harvestingen
dc.subjecthardeningen
dc.subjectbi-stableen
dc.subjectDuffing oscillatoren
dc.titleOn the performance of a dual-mode non-linear vibration energy harvesting deviceen
dc.typeArtigo
dcterms.licensehttp://www.uk.sagepub.com/aboutus/openaccess.htm
dcterms.rightsHolderSage Publications Ltd
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt

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