Design of high-efficiency inductive power transfer coils for biomedical implants

Xin Zhang; Rui Feng Xue; Kuang Wei Cheng; Jia Hao Cheong; Chee Keong Ho; Lei Yao; Cairan He; Minkyu Je

doi:10.1109/IMWS-BIO.2013.6756175

Design of high-efficiency inductive power transfer coils for biomedical implants

Xin Zhang, Rui Feng Xue, Kuang Wei Cheng, Jia Hao Cheong, Chee Keong Ho, Lei Yao, Cairan He, Minkyu Je

Department of Electrical Engineering

Research output: Contribution to conference › Paper › peer-review

3 Citations (Scopus)

Abstract

This paper presents design of wirelessly powered coils for implantable micro-system for blood flow sensing, and a technique of optimal resonant load transformation. Basics and calculations are also introduced for the wireless powering structure to achieve optimal power transfer efficiency. Measurement results show that the implemented wirelessly powered coils in the implantable blood flow sensing micro-system can supply 100μW with an efficiency of 1.7%. The optimal resonant load transformation technique can improve the power transfer efficiency by 47% compared to the conventional technique, at a coil distance of 10mm.

Original language	English
DOIs	https://doi.org/10.1109/IMWS-BIO.2013.6756175
Publication status	Published - 2013 Jan 1
Event	2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Singapore, Singapore Duration: 2013 Dec 9 → 2013 Dec 11

Other

Other	2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013
Country	Singapore
City	Singapore
Period	13-12-09 → 13-12-11

All Science Journal Classification (ASJC) codes

Biomedical Engineering
Health Informatics

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Cite this

Zhang, X., Xue, R. F., Cheng, K. W., Cheong, J. H., Ho, C. K., Yao, L., He, C., & Je, M. (2013). Design of high-efficiency inductive power transfer coils for biomedical implants. Paper presented at 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore. https://doi.org/10.1109/IMWS-BIO.2013.6756175

Zhang, Xin ; Xue, Rui Feng ; Cheng, Kuang Wei ; Cheong, Jia Hao ; Ho, Chee Keong ; Yao, Lei ; He, Cairan ; Je, Minkyu. / Design of high-efficiency inductive power transfer coils for biomedical implants. Paper presented at 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore.

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abstract = "This paper presents design of wirelessly powered coils for implantable micro-system for blood flow sensing, and a technique of optimal resonant load transformation. Basics and calculations are also introduced for the wireless powering structure to achieve optimal power transfer efficiency. Measurement results show that the implemented wirelessly powered coils in the implantable blood flow sensing micro-system can supply 100μW with an efficiency of 1.7%. The optimal resonant load transformation technique can improve the power transfer efficiency by 47% compared to the conventional technique, at a coil distance of 10mm.",

author = "Xin Zhang and Xue, {Rui Feng} and Cheng, {Kuang Wei} and Cheong, {Jia Hao} and Ho, {Chee Keong} and Lei Yao and Cairan He and Minkyu Je",

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Zhang, X, Xue, RF, Cheng, KW, Cheong, JH, Ho, CK, Yao, L, He, C & Je, M 2013, 'Design of high-efficiency inductive power transfer coils for biomedical implants', Paper presented at 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore, 13-12-09 - 13-12-11. https://doi.org/10.1109/IMWS-BIO.2013.6756175

Design of high-efficiency inductive power transfer coils for biomedical implants. / Zhang, Xin; Xue, Rui Feng; Cheng, Kuang Wei; Cheong, Jia Hao; Ho, Chee Keong; Yao, Lei; He, Cairan; Je, Minkyu.

2013. Paper presented at 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore.

Research output: Contribution to conference › Paper › peer-review

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AB - This paper presents design of wirelessly powered coils for implantable micro-system for blood flow sensing, and a technique of optimal resonant load transformation. Basics and calculations are also introduced for the wireless powering structure to achieve optimal power transfer efficiency. Measurement results show that the implemented wirelessly powered coils in the implantable blood flow sensing micro-system can supply 100μW with an efficiency of 1.7%. The optimal resonant load transformation technique can improve the power transfer efficiency by 47% compared to the conventional technique, at a coil distance of 10mm.

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Zhang X, Xue RF, Cheng KW, Cheong JH, Ho CK, Yao L et al. Design of high-efficiency inductive power transfer coils for biomedical implants. 2013. Paper presented at 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore. https://doi.org/10.1109/IMWS-BIO.2013.6756175