上海交通大学学报

上海交通大学学报 >

2021 , Vol. 55 >Issue 2: 196 - 205

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2019.303

一种经皮无线供能系统

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  • 中国计量大学　机电工程学院，杭州 　310018
谢岳(1964-)，男，江苏省苏州市人，教授，现主要从事电力电子功率变换和电气测量技术研究．电话(Tel.)：0571-86835734；E-mail：xieyue@cjlu.edu.cn.

收稿日期: 2019-10-23

  网络出版日期: 2021-03-03

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A Wireless Transcutaneous Energy Transfer System

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  • Institute of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China

Received date: 2019-10-23

  Online published: 2021-03-03

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摘要

研究了一种经皮无线供能系统．首先通过电路分析得到系统电压增益和传输效率等特性函数，同时根据经皮无线供能典型技术参数进行特性分析，在此基础上设计了基于能量注入的变频恒压控制方案，使得无线供能系统在负载和传输距离变化时始终高效率运行．搭建了经皮无线供能的实验系统，实验结果验证了理论分析和设计方案的正确性，在固定传输距离的整个负载变化范围内整机效率基本保持恒定，典型传输距离内的整机效率达到83%以上．利用多物理场仿真软件进行人体组织安全性仿真实验，仿真结果表明最大电场强度、比吸收率和最高温度均低于限值．

关键词： 经皮无线供能; 恒压; 变频; 能量注入

本文引用格式

谢岳, 沈鹏飞, 蒋晓丽 . 一种经皮无线供能系统[J]. 上海交通大学学报, 2021 , 55(2) : 196 -205 . DOI: 10.16183/j.cnki.jsjtu.2019.303

Abstract

A wireless transcutaneous energy transfer (TET) system is researched. The characteristic functions of system voltage gain and transmission efficiency are obtained by circuit analysis. Meanwhile, according to the typical technical parameters of the TET system, a characteristic analysis is conducted. Therefore, based on the energy injection technique, a variable frequency constant voltage control method is proposed which enables the TET system to operate at a high efficiency all time when both the load and the transfer distance change. The experimental set of the TET system is arranged. The experimental results have verified the correctness of the theoretical analysis and design scheme. When the transfer distance is fixed, the overall efficiency remains constant in the whole load variation range. The overall efficiency of the TET system is above 83% within typical transfer distances. The multi-physics simulation software is used to simulate the human tissue safety. The simulation results show that the maximum electric field strength, the specific absorption rate, and the maximum temperature are lower than their corresponding limitations.

Key words： wireless transcutaneous energy transfer (TET); constant voltage; variable frequency; energy injection

参考文献

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