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Article: Accurate Position Detection in Wireless Power Transfer Using Magnetoresistive Sensors for Implant Applications

TitleAccurate Position Detection in Wireless Power Transfer Using Magnetoresistive Sensors for Implant Applications
Authors
KeywordsReceivers
Magnetic sensors
Sensor arrays
Implants
Tunneling magnetoresistance
Issue Date2018
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20
Citation
IEEE Transactions on Magnetics, 2018, v. 54 n. 11, p. article no. 4001205 How to Cite?
AbstractThis paper proposes and implements an accurate position detection method in wireless power transfer (WPT) for implant applications. Since the technique of WPT via magnetic resonant coupling makes it possible to non-invasively supply electricity for implants from an external tramsitter, an accurate position detection of an invisible receiver from the external transmitter is highly desirable to enhance the transfer efficiency and reduce the magnetic leakage. The magnetoresistive (MR) sensor has been widely used to detect the magnetic field variation due to its low power consumption and high accuracy. In this paper, the compact-in-size MR sensor array in plane with the transmitter is developed to directly detect the magnetic field variation caused by the coil misalignment. Thus, definite advantages of efficient and compact position detection in WPT for implants can be achieved. Since the computation process is straightforward, the coil-misalignment position can be intuitively and easily determined by analyzing the output amplitude of MR sensors.
Persistent Identifierhttp://hdl.handle.net/10722/273860
ISSN
2017 Impact Factor: 1.467
2015 SCImago Journal Rankings: 0.602
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHAN, W-
dc.contributor.authorChau, KT-
dc.contributor.authorJIANG, C-
dc.contributor.authorLIU, W-
dc.date.accessioned2019-08-18T14:50:05Z-
dc.date.available2019-08-18T14:50:05Z-
dc.date.issued2018-
dc.identifier.citationIEEE Transactions on Magnetics, 2018, v. 54 n. 11, p. article no. 4001205-
dc.identifier.issn0018-9464-
dc.identifier.urihttp://hdl.handle.net/10722/273860-
dc.description.abstractThis paper proposes and implements an accurate position detection method in wireless power transfer (WPT) for implant applications. Since the technique of WPT via magnetic resonant coupling makes it possible to non-invasively supply electricity for implants from an external tramsitter, an accurate position detection of an invisible receiver from the external transmitter is highly desirable to enhance the transfer efficiency and reduce the magnetic leakage. The magnetoresistive (MR) sensor has been widely used to detect the magnetic field variation due to its low power consumption and high accuracy. In this paper, the compact-in-size MR sensor array in plane with the transmitter is developed to directly detect the magnetic field variation caused by the coil misalignment. Thus, definite advantages of efficient and compact position detection in WPT for implants can be achieved. Since the computation process is straightforward, the coil-misalignment position can be intuitively and easily determined by analyzing the output amplitude of MR sensors.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20-
dc.relation.ispartofIEEE Transactions on Magnetics-
dc.rightsIEEE Transactions on Magnetics. Copyright © Institute of Electrical and Electronics Engineers.-
dc.rights©20xx 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.-
dc.subjectReceivers-
dc.subjectMagnetic sensors-
dc.subjectSensor arrays-
dc.subjectImplants-
dc.subjectTunneling magnetoresistance-
dc.titleAccurate Position Detection in Wireless Power Transfer Using Magnetoresistive Sensors for Implant Applications-
dc.typeArticle-
dc.identifier.emailChau, KT: ktchau@eee.hku.hk-
dc.identifier.authorityChau, KT=rp00096-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TMAG.2018.2843796-
dc.identifier.scopuseid_2-s2.0-85049135012-
dc.identifier.hkuros301956-
dc.identifier.volume54-
dc.identifier.issue11-
dc.identifier.spagearticle no. 4001205-
dc.identifier.epagearticle no. 4001205-
dc.identifier.isiWOS:000447832100126-
dc.publisher.placeUnited States-

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