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Velocity control of Electromagnetic pellet injection based on genetic algorithm in J-TEXT
编号：57 访问权限：仅限参会人 更新：2023-11-20 13:45:37 浏览：549次 口头报告

报告开始：2023年12月09日 15:15（Asia/Shanghai）

报告时间：15min

所在会场：[S7] Power system protection and control [S7] Power system protection and control

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摘要
Electromagnetic pellet injection (EMPI) is a new disruption mitigation system on J-TEXT Tokamak. In the experimental research, there is a great demand for the control accuracy of the injection velocity of the impurity pellet. Therefore, considering the special demand for the armature velocity control of the electromagnetic railgun, a genetic algorithm (GA) based power supply timing optimization method is proposed, which makes the armature move uniformly and linearly through controlling the discharge current waveform smoothly, and makes the pellet reach the preset velocity within the controllable orbit length. In this paper, three strategies of elite retention, mutation and tournament selection crossover are used to generate new population. The results show that not only the current waveform is stable, but also the armature moves in a straight line with almost uniform acceleration. The results show that the optimization method is a practical and effective method to determine the timing of electromagnetic railgun pulse power supply.
 
关键词
electromagnetic injection,disruption mitigation,velocity control,genetic alogrithm,pluse power supply
报告人
Zisen Nie
postgraduate Huazhong University of Science and Technology

稿件作者
Zisen Nie Huazhong University of Science and Technology
Zhongyong Chen Huazhong University of Science and Technology
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重要日期

  • 会议日期

    12月08日

    2023

    至

    12月10日

    2023

  • 11月01日 2023

    初稿截稿日期

  • 12月10日 2023

    注册截止日期

主办单位
IEEE IAS
承办单位
Southwest Jiaotong University (SWJTU)
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