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Optimization and Simulation of rTMS Circuit Reducing Power Consumption

AN Hao,LIU Zhipeng,LI Song,PU Lina,YIN Tao(Institute of Biomedical Engineering,Chinese Academy of Medical Science,Peking Union Medical College,Tianjin 300192,China)  
In order to solve the key technology of high power consumption in repetitive transcranial magnetic stimulation(rTMS),we presented a design for collecting and utilizing the rest energy in the process of TMS.A circuit model was established and Matlab was used as a tool to optimize the circuit parameters.The system circuit auto-controlled by MCU was designed to carry out the principle of utilizing the rest energy and Multisim derived from national instrument(NI) was used to simulate the circuit design.Results of the simulating experiment show good performance in reducing the power consumption of 21% in the rTMS system,this design can reduce the power consumption and take advantage of utilization efficiency.
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