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Paper Abstract and Keywords
Presentation 2014-01-31 14:15
Exposure Assessment for Simplified Human Model in the vicinity of Wireless Power Transfer System at MHz-band
Takuya Iwamoto (Tokyo Univ. of Agriculture and Technology), Jerdvisanop Chakarothai, Kanako Wake, Katsumi Fujii (NICT), Takuji Arima (Tokyo Univ. of Agriculture and Technology), Soichi Watanabe (NICT), Toru Uno (Tokyo Univ. of Agriculture and Technology)
Abstract (in Japanese) (See Japanese page) 
(in English) There have been so far many examples of exposure assessments of wireless power transfer (WPT) systems by using numerical methods. However, there is a lack of exposure assessment by a real experiment, and also an appropriate assessment method for the WPT system has not been established yet. In this study, we constructed a WPT system at MHz-band and measured the electric and magnetic fields nearby the system. We confirmed that the measured electric and magnetic fields agree well with those obtained by numerical simulations using the method of moments. Then, we calculated the induced physical quantities inside the simplified human model which is placed close to the WPT system. Finally, we performed exposure assessment for various situations of the simplified human model in the vicinity of the WPT system. As a result, we confirmed that the maximum allowable input power of the WPT system calculated by whole-body SAR is smaller than those calculated by maximum 10g-averaged SAR in all exposure situations in this study.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transfer system / exposure assessment / electromagnetic near-field measurement / SAR / / / /  
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Conference Information
Committee EMCJ WPT  
Conference Date 2014-01-30 - 2014-01-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication, Wireless power transmission, EMC, etc. 
Paper Information
Registration To WPT 
Conference Code 2014-01-EMCJ-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Exposure Assessment for Simplified Human Model in the vicinity of Wireless Power Transfer System at MHz-band 
Sub Title (in English)  
Keyword(1) Wireless power transfer system  
Keyword(2) exposure assessment  
Keyword(3) electromagnetic near-field measurement  
Keyword(4) SAR  
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1st Author's Name Takuya Iwamoto  
1st Author's Affiliation Tokyo Universty of Agriculture and Technology (Tokyo Univ. of Agriculture and Technology)
2nd Author's Name Jerdvisanop Chakarothai  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Kanako Wake  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Katsumi Fujii  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Takuji Arima  
5th Author's Affiliation Tokyo Universty of Agriculture and Technology (Tokyo Univ. of Agriculture and Technology)
6th Author's Name Soichi Watanabe  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
7th Author's Name Toru Uno  
7th Author's Affiliation Tokyo Universty of Agriculture and Technology (Tokyo Univ. of Agriculture and Technology)
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Speaker Author-1 
Date Time 2014-01-31 14:15:00 
Presentation Time 25 minutes 
Registration for WPT 
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Volume (vol) vol.113 
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