Performance improvement of MEMS Electromagnetic Vibration Energy Harvester using optimized patterns of micromagnet array

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dc.contributor.authorPaul, Kankana
dc.contributor.authorMallick, Dhiman
dc.contributor.authorRoy, Saibal
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.contributor.funderHorizon 2020en
dc.date.accessioned2021-06-22T08:44:49Z
dc.date.available2021-06-22T08:44:49Z
dc.date.issued2021-06-10
dc.date.updated2021-06-22T08:36:26Z
dc.description.abstractThe widespread utilization of wireless sensor networks for the Internet of Things is heavily restrained due to the lack of a sustainable power source as a replacement of batteries. Scavenging mechanical energy from ubiquitous vibrations through miniaturized electromagnetic transducers has become a potential solution to this powering issue. This work proposes the design and performance analysis of fully integrated MEMS Electromagnetic Vibration Energy Harvesters. Through analytical formulation and thorough finite element analysis, we present a systematic design study to optimize the magnet-coil interaction in a precise location within a small footprint. The compact device topology yielded an electromagnetic coupling as high as 62.9mWb/m with the optimized stripe-shaped micro-magnets and rectangular micro-coils. The nonlinear spring topology demonstrated six times improvement in the half-power bandwidth compared with its linear counterpart, at the cost of reduced power density. The proposed designs can be developed using standard MEMS fabrication methods leveraging the CMOS compatible integration at the system level for potential applications in the Internet of Things.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationPaul, K., Mallick, D. and Roy, S. (2021) 'Performance improvement of MEMS Electromagnetic Vibration Energy Harvester using optimized patterns of micromagnet array', IEEE Magnetics Letters. doi: 10.1109/LMAG.2021.3088403en
dc.identifier.doi10.1109/LMAG.2021.3088403en
dc.identifier.eissn1949-3088
dc.identifier.issn1949-307X
dc.identifier.journaltitleIEEE Magnetics Lettersen
dc.identifier.urihttps://hdl.handle.net/10468/11470
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/en
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::RIA/730957/EU/European Infrastructure Powering the Internet of Things/EnABLESen
dc.relation.urihttps://ieeexplore.ieee.org/document/9451592
dc.rights© 2021, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en
dc.subjectElectromagneticsen
dc.subjectDemagnetizing fielden
dc.subjectPatterned magneten
dc.subjectElectromagnetic couplingen
dc.subjectIn-plane vibrationen
dc.subjectElectromagnetic Vibration Energy Harvesteren
dc.titlePerformance improvement of MEMS Electromagnetic Vibration Energy Harvester using optimized patterns of micromagnet arrayen
dc.typeArticle (peer-reviewed)en
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