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Please use this identifier to cite or link to this item: https://doi.org/10.1109/NEMS.2013.6559878
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dc.titleLow-frequency vibration-based energy harvester using a piezoelectric composite beam
dc.contributor.authorDhakar, L.
dc.contributor.authorLiu, H.
dc.contributor.authorTay, F.E.H.
dc.contributor.authorLee, C.
dc.date.accessioned2014-06-19T03:16:54Z
dc.date.available2014-06-19T03:16:54Z
dc.date.issued2013
dc.identifier.citationDhakar, L.,Liu, H.,Tay, F.E.H.,Lee, C. (2013). Low-frequency vibration-based energy harvester using a piezoelectric composite beam. 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013 : 939-942. ScholarBank@NUS Repository. <a href="https://doi.org/10.1109/NEMS.2013.6559878" target="_blank">https://doi.org/10.1109/NEMS.2013.6559878</a>
dc.identifier.isbn9781467363525
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/70844
dc.description.abstractA composite beam based piezoelectric energy harvester (EH) is designed and characterized which can be used to harvest energy with low frequency vibrations. This kind of EH is demonstrated to be 3.12 times and 1.32 times (at 0.1g) more efficient at output power generation than a standalone piezoelectric bimorph and piezoelectric bimorph with a proof mass at the free end, respectively. The resonant frequency of the EH is reduced from 275 Hz (for standalone bimorph) to 36 Hz by using the soft spring. With the aid of spring hardening effect using a stopper, the operating bandwidth is increased from 5.25 Hz to 16.4 Hz. © 2013 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/NEMS.2013.6559878
dc.sourceScopus
dc.subjectbandwidth widening
dc.subjectcomposite cantilever beam
dc.subjectEnergy harvester (EH)
dc.subjecthigh power output
dc.subjectlow frequency
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1109/NEMS.2013.6559878
dc.description.sourcetitle8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013
dc.description.page939-942
dc.identifier.isiutNOT_IN_WOS
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