Presentation	2014-04-17 Maximum Available Efficiency Characterization for V-WPT System Featuring Vehicle Wheel and Asphalt Slab Yoshiki SUZUKI, Naoki SAKAI, Takashi OHIRA,
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Abstract(in English)	This paper estimates the maximum available efficiency (η_) of Via-Wheel Power Transfer (V-WPT) system featuring vehicle wheels and asphalt slab. Rubber's permittivity and dielectric loss tangent are estimated from a measured 1-port S-parameter of a vehicle tire placed between electrodes. A V-WPT model for an electro-magnetic field analysis is constructed by using these parameters. An influence of the structure of asphalt electrified roadway for η_ is investigated. If space s between the electrodes becomes wide, η_ increases. Simulation results show that η_=73% at s=100mm and η_=77% at s=1200mm. If buried depth d of electrodes increases, η_ decreases. η_=78% at d=50mm, however, η_=67% at d=400mm. From these results, the buried depth of electrodes has stronger influence than the width between the electrodes has.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	Via-wheel power transfer / Wireless power transfer / Tire / Asphalt slab / Maximum available efficiency
Paper #	WPT2014-6,SCE2014-6,MW2014-6
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Conference Information
Committee	SCE
Conference Date	2014/4/10(1days)
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Paper Information
Registration To	Superconductive Electronics (SCE)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Maximum Available Efficiency Characterization for V-WPT System Featuring Vehicle Wheel and Asphalt Slab
Sub Title (in English)
Keyword(1)	Via-wheel power transfer
Keyword(2)	Wireless power transfer
Keyword(3)	Tire
Keyword(4)	Asphalt slab
Keyword(5)	Maximum available efficiency
1st Author's Name	Yoshiki SUZUKI
1st Author's Affiliation	Dept. of Electrical and Electronic Information Engineering, Toyohashi University of Technology()
2nd Author's Name	Naoki SAKAI
2nd Author's Affiliation	Dept. of Electrical and Electronic Information Engineering, Toyohashi University of Technology
3rd Author's Name	Takashi OHIRA
3rd Author's Affiliation	Dept. of Electrical and Electronic Information Engineering, Toyohashi University of Technology
Date	2014-04-17
Paper #	WPT2014-6,SCE2014-6,MW2014-6
Volume (vol)	vol.114
Number (no)	10
Page	pp.pp.-
#Pages	5
Date of Issue