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A positioning-tolerant wireless charging system for roadway-powered electric vehicles
Zhang Z.2; Chau K.T.2; Liu C.2; Qiu C.2; Ching T.W.1
2015-05-07
Source PublicationJournal of Applied Physics
ISSN10897550 00218979
Volume117Issue:17
Abstract

This paper proposes a positioning-tolerant wireless power transfer technique to compensate the impact of misalignment on the power transmission performance, which is used to implement the wireless charging functionality in a free-positioning manner, thus significantly improving the practicality for roadway-powered electric vehicles (EVs). The key of the proposed wireless power transfer technique is to adopt the gapless alternate-winding topology for the power supply unit to produce an evenly distributed electromagnetic field and the vertical-and-horizontal coil design for the pickup unit to enhance the capability of acquiring energy. Hence, the power transmission can be effectively improved in spite of an offset between the centers of the primary and secondary coils. In this paper, both the computational simulation and experimentation are carried out to verify the feasibility of the proposed positioning-tolerant wireless charging system for roadway-powered EVs.

DOI10.1063/1.4916187
URLView the original
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000354984100169
PublisherAMER INST PHYSICS, 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
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Citation statistics
Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Affiliation1.Universidade de Macau
2.The University of Hong Kong
Recommended Citation
GB/T 7714
Zhang Z.,Chau K.T.,Liu C.,et al. A positioning-tolerant wireless charging system for roadway-powered electric vehicles[J]. Journal of Applied Physics,2015,117(17).
APA Zhang Z.,Chau K.T.,Liu C.,Qiu C.,&Ching T.W..(2015).A positioning-tolerant wireless charging system for roadway-powered electric vehicles.Journal of Applied Physics,117(17).
MLA Zhang Z.,et al."A positioning-tolerant wireless charging system for roadway-powered electric vehicles".Journal of Applied Physics 117.17(2015).
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