北京航空航天大学学报 ›› 2015, Vol. 41 ›› Issue (6): 1102-1107.doi: 10.13700/j.bh.1001-5965.2014.0403

• 论文 • 上一篇    下一篇

空间磁场环境模拟线圈驱动恒流源设计

张鹏飞, 齐铂金, 郑敏信, 张伟   

  1. 北京航空航天大学 机械工程与自动化学院, 北京 100191
  • 收稿日期:2014-07-03 出版日期:2015-06-20 发布日期:2015-07-30
  • 通讯作者: 郑敏信(1978—),男,山西原平人,实验师,zhminxin@buaa.edu.cn,主要研究方向为机电过程控制及自动化和新能源技术. E-mail:zhminxin@buaa.edu.cn
  • 作者简介:张鹏飞(1988—),男,山西河津人,硕士研究生,zhangpengfeigrxx@163.com
  • 基金资助:
    北京航空航天大学基本科研业务费(YWF-14-JXXY-012)

Design of constant current source to drive analog coil of space magnetic environment

ZHANG Pengfei, QI Bojin, ZHENG Minxin, ZHANG Wei   

  1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2014-07-03 Online:2015-06-20 Published:2015-07-30

摘要: 针对空间磁场环境模拟线圈磁感应强度0~20 Gs连续可调,磁场稳定度优于1%的要求,采用前级电压源与后级电流源串联的主电路拓扑结构,结合电压双闭环控制和电流闭环负反馈控制的方法,实现了稳定的电流输出,减小了功率金属-氧化物半导体场效应晶体管(MOSFET)的功耗,提高了恒流源的效率.测试结果表明:恒流源输出电流0~10 A连续可调,霍姆赫兹线圈中心磁感应强度能达到20 Gs的设计要求,电流稳定度优于0.1%,磁场稳定度优于1%.

关键词: 霍姆赫兹线圈, 恒流源, 功率金属-氧化物半导体场效应晶体管(MOSFET), 比例积分微分(PID)控制, 磁感应强度

Abstract: To reach the requirements that the space environment simulation coil's magnetic induction intensity can continuously adjust from 0 to 20 Gs, and the magnetic field stability can be better than 1%, main circuit topology structure using a voltage source in series with a current source, combined with the voltage double closed loop control and the current closed loop negative feedback control methods, achieved a stable current output, reduced the power consumption of the metal-oxide-semiconductor field-effect transistor (MOSFET), and improved the efficiency of the constant current source. The test results show that the constant current source output current ranges from 0 to 10 A, Helmholtz coil's center magnetic induction intensity can reach the design requirements of 20 Gs, the current stability is better than 0.1%, and the magnetic field stability is better than 1%.

Key words: Helmholtz coil, constant current source, power metal-oxide-semiconductor field-effect transistor (MOSFET), proportion integration differentiation (PID) control, magnetic induction intensity

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