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Article: Loosely power flow control scheme for piezoelectric energy harvesting

TitleLoosely power flow control scheme for piezoelectric energy harvesting
Authors
Issue Date2010
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/EL
Citation
Electronics Letters, 2010, v. 46 n. 25, p. 1689-1691 How to Cite?
AbstractPiezoelectric energy harvesting generally employs a maximum power point tracking (MPPT) control scheme in the DC-to-DC converter in order to continuously track to the maximum power point (MPP) voltage of the piezoelectric energy harvester (PEH). Owing to the high power consumption of the MPPT-based control circuit, the efficiency of the converter remains at an essentially low level. Proposed is a loosely power flow (LPF) control scheme to intermittently operate the converter near the MPP voltage of the PEH. Experimental verification on a 22μW PEH prototype finds that the power consumption of the LPF-based control circuit is as low as the quiescent power of the converter and the efficiency of the converter is as high as 56%. © 2010 The Institution of Engineering and Technology.
Persistent Identifierhttp://hdl.handle.net/10722/155659
ISSN
2015 Impact Factor: 0.854
2015 SCImago Journal Rankings: 0.549
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLee, CKen_US
dc.contributor.authorChan, PKWen_US
dc.contributor.authorOr, SWen_US
dc.date.accessioned2012-08-08T08:34:42Z-
dc.date.available2012-08-08T08:34:42Z-
dc.date.issued2010en_US
dc.identifier.citationElectronics Letters, 2010, v. 46 n. 25, p. 1689-1691en_US
dc.identifier.issn0013-5194en_US
dc.identifier.urihttp://hdl.handle.net/10722/155659-
dc.description.abstractPiezoelectric energy harvesting generally employs a maximum power point tracking (MPPT) control scheme in the DC-to-DC converter in order to continuously track to the maximum power point (MPP) voltage of the piezoelectric energy harvester (PEH). Owing to the high power consumption of the MPPT-based control circuit, the efficiency of the converter remains at an essentially low level. Proposed is a loosely power flow (LPF) control scheme to intermittently operate the converter near the MPP voltage of the PEH. Experimental verification on a 22μW PEH prototype finds that the power consumption of the LPF-based control circuit is as low as the quiescent power of the converter and the efficiency of the converter is as high as 56%. © 2010 The Institution of Engineering and Technology.en_US
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ieedl.org/ELen_US
dc.relation.ispartofElectronics Lettersen_US
dc.titleLoosely power flow control scheme for piezoelectric energy harvestingen_US
dc.typeArticleen_US
dc.identifier.emailLee, CK:cklee@eee.hku.hken_US
dc.identifier.authorityLee, CK=rp01580en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1049/el.2010.2515en_US
dc.identifier.scopuseid_2-s2.0-80053073021en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80053073021&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume46en_US
dc.identifier.issue25en_US
dc.identifier.spage1689en_US
dc.identifier.epage1691en_US
dc.identifier.isiWOS:000285142000035-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLee, CK=24537405500en_US
dc.identifier.scopusauthoridChan, PKW=55196583300en_US
dc.identifier.scopusauthoridOr, SW=7006594254en_US

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