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Paper Abstract and Keywords
Presentation 2015-12-10 14:20
Basic Study on Wireless Power Transfer in Shielded Space with Scatterers Based on Waveguide Theory
Yosuke Watanabe, Ippei Takano, Masaya Tamura (Toyohashi Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) Reducing vehicle weight is one of the key factors for improvement in fuel efficiency. Therefore, wireless power transfer in the engine compartment has been studied. However, conventional approaches still have not achieved practicable efficiency because the engine compartment is a shielded space with signal scatterers. In this paper, a new approach based on the waveguide mode is proposed. The engine compartment is considered to have a similar effect on a ridge waveguide. First, we evaluate the variation in the resonant frequency to confirm that the engine compartment behaves as a ridge waveguide. Next, the power transmission characteristics in the shielded space, simulating the engine compartment at the 69.8 MHz which is a resonant frequency of dominant mode in ridge waveguide, is evaluated. As to the results, the measured results are in good agreement with the simulated one. These results indicate possibility that the wireless power transmission efficiency can be improved by using the waveguide mode.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / Waveguide / Transmission efficiency / / / / /  
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Conference Information
Committee WPT  
Conference Date 2015-12-10 - 2015-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) TamKang University, Tamsui Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2015 Asian Wireless Power Transfer Workshop (AWPT2015) 
Paper Information
Registration To WPT 
Conference Code 2015-12-WPT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Basic Study on Wireless Power Transfer in Shielded Space with Scatterers Based on Waveguide Theory 
Sub Title (in English)  
Keyword(1) Wireless Power Transfer  
Keyword(2) Waveguide  
Keyword(3) Transmission efficiency  
1st Author's Name Yosuke Watanabe  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
2nd Author's Name Ippei Takano  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
3rd Author's Name Masaya Tamura  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
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Speaker Author-1 
Date Time 2015-12-10 14:20:00 
Presentation Time 20 minutes 
Registration for WPT 
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