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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)
Department机器人学研究室
Source PublicationScience China Technological Sciences
ISSN1674-7321
2017
Volume60Issue:1Pages:91-101
Indexed BySCI ; EI ; CSCD
EI Accession number20165103155787
WOS IDWOS:000392149400011
CSCD IDCSCD:5917321
Contribution Rank1
Funding OrganizationNational 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).
KeywordWireless Power Transfer System Capsule Endoscope Freely Moving Biomedical Implants Receiving Coil Coil Optimization Efficiency
AbstractIn 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.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS KeywordCAPSULE ENDOSCOPY ; TRANSMISSION ; DESIGN ; COILS
WOS Research AreaEngineering ; Materials Science
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/19728
Collection机器人学研究室
Corresponding AuthorLiu H(刘浩)
Affiliation1.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
Recommended Citation
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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