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	Sar in human head model due to resonant wireless power transfer system
	Zhang, Chao1,2; Liu, Guoqiang1; Li, Yanhong1,2; Song, Xianjin1,2
刊名	Technology and health care
	2016
卷号	24页码:S739-s746
关键词	Wireless power transfer Sar Resonant coupling Field-circuit coupling method Fem
ISSN号	0928-7329
DOI	10.3233/thc-161203
通讯作者	Liu, guoqiang(gqliu@mail.iee.ac.cn)
英文摘要	Background: efficient mid-range wireless power transfer between transmitter and the receiver has been achieved based on the magnetic resonant coupling method. the influence of electromagnetic field on the human body due to resonant wireless power transfer system (rwpt) should be taken into account during the design process of the system. objective: to analyze the transfer performance of the rwpt system and the change rules of the specific absorption rate (sar) in the human head model due to the rwpt system. methods: the circuit-field coupling method for a rwpt system with consideration of the displacement current was presented. the relationship between the spiral coil parameters and transfer performance was studied. the sar in the human head model was calculated under two different exposure conditions. results: a system with output power higher than 10 w at 0.2 m distance operating at a frequency of approximately 1 mhz was designed. the fem simulation results show the peak sar value is below the safety limit which appeared when the human head model is in front of the transmitter. conclusion: the simulation results agreed well with the experimental results, which verified the validity of the analysis and design.
WOS研究方向	Health Care Sciences & Services ; Engineering
WOS类目	Health Care Sciences & Services ; Engineering, Biomedical
语种	英语
出版者	IOS PRESS
WOS记录号	WOS:000379355100039
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2374691
专题	中国科学院大学
通讯作者	Liu, Guoqiang
作者单位	1.Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Chao,Liu, Guoqiang,Li, Yanhong,et al. Sar in human head model due to resonant wireless power transfer system[J]. Technology and health care,2016,24:S739-s746.
APA	Zhang, Chao,Liu, Guoqiang,Li, Yanhong,&Song, Xianjin.(2016).Sar in human head model due to resonant wireless power transfer system.Technology and health care,24,S739-s746.
MLA	Zhang, Chao,et al."Sar in human head model due to resonant wireless power transfer system".Technology and health care 24(2016):S739-s746.

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