| 降低功耗的高频磁刺激仪电路参数优化设计及仿真 |
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| 引用本文： | 安好,刘志朋,李松,蒲莉娜,殷涛. 降低功耗的高频磁刺激仪电路参数优化设计及仿真[J]. 生物医学工程研究, 2009, 28(1) |
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| 作者姓名： | 安好 刘志朋 李松 蒲莉娜 殷涛 |
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| 作者单位： | 中国医学科学院,北京协和医学院,生物医学工程研究所,天津,300192 |
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| 基金项目： | 天津市重点科技攻关项目(06YFSZSF00700);;国家科技部升级改造项目(2006JG004700) |
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| 摘 要： | 针对重复经颅磁刺激仪功率消耗高的问题，我们通过建立电路模型，利用MATLAB平台进行仿真计算，研究了一种对放电的剩余能量进行有效回收的方法，并对磁刺激仪充放电及电能回收电路进行了设计，同时利用MCU实现了对电路充放电的智能控制。通过NI的Multisim平台对电能回收电路进行了仿真验证。仿真结果表明，本研究设计的电能回收电路，能使放电能量的回收率达到21％，从而降低了重复经颅磁刺激系统的功耗，提高了电能的利用效率。
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| 关 键 词： | 高频磁刺激 降低功耗 优化设计 能量回收 仿真 |
Optimization and Simulation of rTMS Circuit Reducing Power Consumption |
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| AN Hao,LIU Zhipeng,LI Song,PU Lina,YIN Tao. Optimization and Simulation of rTMS Circuit Reducing Power Consumption[J]. Journal Of Blomedical Englneerlng Research, 2009, 28(1) |
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| Authors: | AN Hao LIU Zhipeng LI Song PU Lina YIN Tao |
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| Affiliation: | Institute of Biomedical Engineering;Chinese Academy of Medical Science;Peking Union Medical College;Tianjin 300192;China |
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| Abstract: | 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 ... |
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| Keywords: | Repetitive transcranial magnetic stimulation Reducing power consumption Optimized design Energy recovery Simulation |
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