An Energy Efficient Excitation Source for Transcranial Magnetic Stimulation with Controllable Pulse Width
Xiong Hui1,2, Wang Yuling1,2, Fu Hao1,2, Liu Jinzhen1,2, Zhu Jianguo1,3
1. School of Electrical Engineering and Automation Tianjin Polytechnic UniversityTianjin 300387 China; 2. Tianjin Key Laboratory of Advanced Technology of Electrical Engineering and Energy Tianjin Polytechnic University Tianjin 300387 China; 3. School of Electrical and Information Engineering The University of Sydney Sydney NSW 2006 Australia
Abstract：In order to improve the energy saving rate of the excitation source, based on cTMS1, a novel energy efficient excitation source topology is proposed and the EEES circuit structure and switch control method are designed in this paper. Firstly, the pulse width is adjusted by controlling the on-time of the switch. Then the circuit topology is designed to realize energy recovery and reuse, which can improve the energy utilization of the system. Finally, the EEES experimental platform is built to verify the system performance. The experimental results demonstrate that the EEES can generate current pulses up to 1 058A with an adjustable pulse range of 5~160μs. Compared with the cTMS1 excitation source, the energy self-loss rate is obviously lower than cTMS1, and the energy saving rate of EEES is as high as 62.60%~93.21%. Therefore, the EEES system proposed in this paper provides an important reference for the development of TMS excitation source.
熊慧, 王玉领, 付浩, 刘近贞, 朱建国. 一种应用于经颅磁刺激脉冲宽度可调的节能型激励源[J]. 电工技术学报, 2020, 35(4): 679-686.
Xiong Hui, Wang Yuling, Fu Hao, Liu Jinzhen, Zhu Jianguo. An Energy Efficient Excitation Source for Transcranial Magnetic Stimulation with Controllable Pulse Width. Transactions of China Electrotechnical Society, 2020, 35(4): 679-686.
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2020, Vol. 35 
