宇航计测技术 ›› 2021, Vol. 41 ›› Issue (3): 68-72.doi: 10.12060/j.issn.1000-7202.2021.03.12

• 精密测试技术 • 上一篇    下一篇

一种用于磁场复现和屏蔽的磁干扰主动补偿技术

张海波;翟晶晶;李享;周昌剑   

  1. 中国船舶重工集团公司第七一〇研究所,国防科技工业弱磁一级计量站,湖北宜昌 443003
  • 出版日期:2021-06-25 发布日期:2022-03-07
  • 作者简介:张海波(1985.10-),男,高级工程师,硕士,主要研究方向:弱磁计量技术。

An Active Compensation Method of Enviromental Interference Magnetic Field for Magnetic Field Reproduction and Shielding

ZHANG Hai-bo;ZHAI Jing-jing;LI Xiang;ZHOU Chang-jian   

  1. No.710 R & D Institute,CSIC,1st Class Weak Magnetic Metering Station of NDM,Yichang 443003,China
  • Online:2021-06-25 Published:2022-03-07

摘要: 介绍了一种交变磁场复现系统和磁屏蔽装置中的环境磁干扰主动补偿方法,分别对主动补偿系统建模、控制参数优化、补偿参数修正、复合控制方法、电流反馈等关键问题进行了阐述,并进行了补偿试验,结果表明,该方法对典型的1Hz和50Hz环境扰动磁场具有显著的补偿效果,已在(10~100)μT/m梯度磁场标准装置、低剩磁低噪声磁屏蔽室等计量装置中得到了应用。

关键词: 环境磁干扰, 主动补偿, 磁通门传感器

Abstract: In this paper,an active compensation method of enviromental interference magnetic field in magnetic field reproduction system and magnetic field shielding equipment is introduced.Establishing system mathematical model,optimizing the control paramenters,Correcting compensation parameters,Compound control method,current feedback is discussed.Through experiments,the typical enviromental interference magnetic field of 1Hz and the 50 Hz can be Significantly compensated by the method.It has been applied in “10 μT/m~100 μT/m gradient magnetic field standard device” and “field calibration device of magnetic shielding coefficient”.

Key words: Enviromental interference magnetic field, Active compensation method, Fluxgate sensor

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