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Efficiency Analysis and Optimization of Wireless Power Transfer System for Freely Moving Biomedical Implants
Shao Q(邵琪); Liu H(刘浩); Fang XL(方学林)
作者部门机器人学研究室
关键词Wireless Power Transfer System Capsule Endoscope Freely Moving Biomedical Implants Receiving Coil Coil Optimization Efficiency
发表期刊Science China Technological Sciences
ISSN1674-7321
2017
卷号60期号:1页码:91-101
收录类别SCI ; EI ; CSCD
EI收录号20165103155787
WOS记录号WOS:000392149400011
CSCD记录号CSCD:5917321
产权排序1
资助机构National Natural Science Foundation of China(Grant No. 61473281), National Sciences and Technology Support Project (Grant No. 2015BAI01B13) and State Key Laboratory of Robotics Self-plan Project (Grant No. 2016-Z06).
摘要In the wireless power transfer system for freely moving biomedical implants, the receiving unit was generally inefficient for the reason that its design parameters including the receiving coil’s dimension and receiving circuits’ topology were always determined by experiments. In order to build the relationship between these parameters and the total transfer efficiency, this paper developed a novel efficiency model based on the impedance model of the coil and the circuit model of the receiving circuits. According to the design constraints, the optimal design parameters in the worst case were derived. The results indicate that the combination of the two-layered receiving coil and half-bridge rectifier has more advantages in size, efficiency and safety, which is preferred in the receiving unit. Additionally, when the load resistance increases, the optimal turn number of the receiving coil basically keeps constant and the corresponding transmitting current and total efficiency decrease. For 100 Ω load, the transmitting current and total efficiency in the worst case were measured to be 5.30 A and 1.45% respectively, which are much better than the published results. In general, our work provides an efficient method to determine the design parameters of the wireless power transfer system for freely moving biomedical implants.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
关键词[WOS]CAPSULE ENDOSCOPY ; TRANSMISSION ; DESIGN ; COILS
WOS研究方向Engineering ; Materials Science
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/19728
专题机器人学研究室
通讯作者Liu H(刘浩)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
推荐引用方式
GB/T 7714
Shao Q,Liu H,Fang XL. Efficiency Analysis and Optimization of Wireless Power Transfer System for Freely Moving Biomedical Implants[J]. Science China Technological Sciences,2017,60(1):91-101.
APA Shao Q,Liu H,&Fang XL.(2017).Efficiency Analysis and Optimization of Wireless Power Transfer System for Freely Moving Biomedical Implants.Science China Technological Sciences,60(1),91-101.
MLA Shao Q,et al."Efficiency Analysis and Optimization of Wireless Power Transfer System for Freely Moving Biomedical Implants".Science China Technological Sciences 60.1(2017):91-101.
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