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- Publisher Website: 10.1109/TMAG.2019.2903895
- Scopus: eid_2-s2.0-85067867488
- WOS: WOS:000473080000001
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Article: TMR-Sensor-Array-Based Misalignment-Tolerant Wireless Charging Technique for Roadway Electric Vehicles
Title | TMR-Sensor-Array-Based Misalignment-Tolerant Wireless Charging Technique for Roadway Electric Vehicles |
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Authors | |
Keywords | Coil-misalignment tolerant Dynamic wireless charging (DWC) Magnetic field measurement Tunneling magnetoresistive (TMR) sensor array |
Issue Date | 2019 |
Publisher | Institute 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, 2019, v. 55 n. 7, article no. 4003107, p. 1-7 How to Cite? |
Abstract | The wirelessly transferred power as well as charging efficiency will significantly drop due to the large misalignment between the transmitting coil and receiving coil for roadway electric vehicles (EVs). A low-cost and reliable misalignment-tolerant wireless charging technique is indispensable for the rapid commercialization of wireless EV charging. This paper presents a technique to achieve the misalignment-tolerant wireless charging for the dynamic wireless charging (DWC) system by means of a tunneling magnetoresistive (TMR) sensor array as well as the easy-to-fabricate receiving coils. The TMR sensor array provides the coil-misalignment position by measuring the magnetic field component generated from the transmitting coil. The corresponding receiving coils are selected to be in resonance according to the measured coil-misalignment positions. In this paper, a sensor array composed of 29 uniaxial TMR sensors was utilized to measure the magnetic field component. This effectiveness of the proposed technique has been validated by both the finite-element method (FEM) simulations and laboratory experiments. The experimental results demonstrated that the proposed misalignment-tolerant wireless charging system can operate in a relatively wide misalignment range of ±120 mm with charging efficiency higher than 76.2%. |
Persistent Identifier | http://hdl.handle.net/10722/272190 |
ISSN | 2023 Impact Factor: 2.1 2023 SCImago Journal Rankings: 0.729 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liu, X | - |
dc.contributor.author | Liu, C | - |
dc.contributor.author | Pong, PWT | - |
dc.date.accessioned | 2019-07-20T10:37:26Z | - |
dc.date.available | 2019-07-20T10:37:26Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | IEEE Transactions on Magnetics, 2019, v. 55 n. 7, article no. 4003107, p. 1-7 | - |
dc.identifier.issn | 0018-9464 | - |
dc.identifier.uri | http://hdl.handle.net/10722/272190 | - |
dc.description.abstract | The wirelessly transferred power as well as charging efficiency will significantly drop due to the large misalignment between the transmitting coil and receiving coil for roadway electric vehicles (EVs). A low-cost and reliable misalignment-tolerant wireless charging technique is indispensable for the rapid commercialization of wireless EV charging. This paper presents a technique to achieve the misalignment-tolerant wireless charging for the dynamic wireless charging (DWC) system by means of a tunneling magnetoresistive (TMR) sensor array as well as the easy-to-fabricate receiving coils. The TMR sensor array provides the coil-misalignment position by measuring the magnetic field component generated from the transmitting coil. The corresponding receiving coils are selected to be in resonance according to the measured coil-misalignment positions. In this paper, a sensor array composed of 29 uniaxial TMR sensors was utilized to measure the magnetic field component. This effectiveness of the proposed technique has been validated by both the finite-element method (FEM) simulations and laboratory experiments. The experimental results demonstrated that the proposed misalignment-tolerant wireless charging system can operate in a relatively wide misalignment range of ±120 mm with charging efficiency higher than 76.2%. | - |
dc.language | eng | - |
dc.publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20 | - |
dc.relation.ispartof | IEEE Transactions on Magnetics | - |
dc.subject | Coil-misalignment tolerant | - |
dc.subject | Dynamic wireless charging (DWC) | - |
dc.subject | Magnetic field measurement | - |
dc.subject | Tunneling magnetoresistive (TMR) sensor array | - |
dc.title | TMR-Sensor-Array-Based Misalignment-Tolerant Wireless Charging Technique for Roadway Electric Vehicles | - |
dc.type | Article | - |
dc.identifier.email | Liu, C: chhualiu@hku.hk | - |
dc.identifier.email | Pong, PWT: ppong@hkucc.hku.hk | - |
dc.identifier.authority | Liu, C=rp01815 | - |
dc.identifier.authority | Pong, PWT=rp00217 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/TMAG.2019.2903895 | - |
dc.identifier.scopus | eid_2-s2.0-85067867488 | - |
dc.identifier.hkuros | 299242 | - |
dc.identifier.volume | 55 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | article no. 4003107, p. 1 | - |
dc.identifier.epage | article no. 4003107, p. 7 | - |
dc.identifier.isi | WOS:000473080000001 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0018-9464 | - |