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     Research Journal of Applied Sciences, Engineering and Technology


Wireless Power Transfer System for Biomedical Devices by using Magnetic Resonance Coupling Technique

Leong KahMeng, Lum Kin Yun, Tan TianSwee, Ahmad Zahran Md. Khudzari and Suhaini Bin Kadiman
Medical Device and Technology Group, IJN-UTM Cardiovascular Engineering Centre, Faculty of Bioscience and Medical Engineering, UniversitiTeknologi Malaysia, 81310 Skudai, Malaysia
Research Journal of Applied Sciences, Engineering and Technology  2016  8:823-827
http://dx.doi.org/10.19026/rjaset.12.2782  |  © The Author(s) 2016
Received: ‎January ‎13, ‎2015  |  Accepted: March ‎20, ‎2015  |  Published: April 15, 2016

Abstract

Aim of this work is to study the energy transfer wirelessly using a pair of transmitter and receiver coil. The system aims to generate magnetic coupling resonance between two coils. Wireless power transfer system can eliminate wire connection during energy transmission. Many researchers show great interest on wireless power transfer technique for biomedical devices. This technique is important to be applied and integrated into biomedical devices such as pacemakers, defibrillators, Left Ventricular Assist Devices (LVAD) to ease the transfer system. Basically, there are two ways to power up the biomedical devices such as external power cord and batteries. However, batteries had its limited capacity and external power cord limit patient’s freedom and might lead to infection. Therefore in this study, two coil wireless transfer system was designed in order to solve the problem. Two 30 cm diameter coils transmitter and receiver pairs had been designed to provide 72.7% of efficiency up to 37 cm of transmission distance. It can be concluded that this system is suitable for long range power transmission with good efficiency.

Keywords:

Contactless wireless power transfer, long range energy transfer, magnetic resonance coupling, wireless charging, wireless power transfer,


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Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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