Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/134370
Title: WAVEFORM-OPTIMIZED WIRELESS POWER TRANSFER FOR IMPLANTABLE MEDICAL DEVICES
Authors: LIU ZHONGTAO
Keywords: Wireless Power Transfer, Implantable Medical Devices, Waveform Optimization
Issue Date: 5-Aug-2016
Source: LIU ZHONGTAO (2016-08-05). WAVEFORM-OPTIMIZED WIRELESS POWER TRANSFER FOR IMPLANTABLE MEDICAL DEVICES. ScholarBank@NUS Repository.
Abstract: Wireless power transfer (WPT) is a promising technique to deliver power to miniaturize implantable medical devices (IMDs) without percutaneous wires and battery replacement. In order to establish high efficiency wireless power link for IMDs this thesis presents several new techniques based on the waveform-optimized WPT from component, circuit block and system levels. Reconfigurable diode topology is designed to realize an independently tuned threshold and breakdown voltage from the component level. A rapid design approach for magnetic resonant WPT (MR-WPT) system and a reconfigurable rectifier based on multi-frequency waveforms are presented as coil and rectifier block designs, respectively. Afterwards, a completed multi-sine MR-WPT system is presented with new integral inductor model, bandwidth calculation and rectifier topology analysis. Tissue effects and in vivo test are also considered. In summary, the research work involved in the thesis presents a comprehensive design procedure for the high efficiency waveform-optimized WPT system for IMD application.
URI: http://scholarbank.nus.edu.sg/handle/10635/134370
Appears in Collections:Ph.D Theses (Open)

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