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原子自旋陀螺气室加热电磁噪声抑制实验研究

周斌权 郝杰鹏 梁晓阳 全伟 刘刚

周斌权, 郝杰鹏, 梁晓阳, 等 . 原子自旋陀螺气室加热电磁噪声抑制实验研究[J]. 北京航空航天大学学报, 2018, 44(1): 36-42. doi: 10.13700/j.bh.1001-5965.2016.0964
引用本文: 周斌权, 郝杰鹏, 梁晓阳, 等 . 原子自旋陀螺气室加热电磁噪声抑制实验研究[J]. 北京航空航天大学学报, 2018, 44(1): 36-42. doi: 10.13700/j.bh.1001-5965.2016.0964
ZHOU Binquan, HAO Jiepeng, LIANG Xiaoyang, et al. Experimental study on electromagnetic noise suppression of atomic spin gyroscope heating chamber[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(1): 36-42. doi: 10.13700/j.bh.1001-5965.2016.0964(in Chinese)
Citation: ZHOU Binquan, HAO Jiepeng, LIANG Xiaoyang, et al. Experimental study on electromagnetic noise suppression of atomic spin gyroscope heating chamber[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(1): 36-42. doi: 10.13700/j.bh.1001-5965.2016.0964(in Chinese)

原子自旋陀螺气室加热电磁噪声抑制实验研究

doi: 10.13700/j.bh.1001-5965.2016.0964
基金项目: 

国家“863”计划 2014AA123401

国家自然科学基金 61227902

国家自然科学基金 61374210

详细信息
    作者简介:

    周斌权  男, 博士, 讲师。主要研究方向:原子传感器技术

    通讯作者:

    周斌权, E-mail: bqzhou@buaa.edu.cn

  • 中图分类号: V241.62+2

Experimental study on electromagnetic noise suppression of atomic spin gyroscope heating chamber

Funds: 

National High-tech Research and Development Program of China 2014AA123401

National Natural Science Foundation of China 61227902

National Natural Science Foundation of China 61374210

More Information
  • 摘要:

    原子自旋陀螺仪作为目前最新一类陀螺仪,具有超高的理论精度。碱金属气室是原子自旋陀螺仪承载原子自旋的敏感表头。通过电加热使碱金属达到饱和蒸气压,但是电加热过程中会引入电磁干扰等噪声,进而影响原子自旋陀螺仪的精度和灵敏度。为减小碱金属气室加热的电磁噪声对原子自旋陀螺仪的影响,从加热器结构与加热驱动信号2个方面进行了电磁噪声抑制实验研究。设计了具有磁场噪声抑制作用的异形加热膜,使高频正弦波作为加热驱动信号,构建了碱金属气室集成化无磁电加热单元。通过实验验证,系统的等效磁场噪声优于17 fT/Hz1/2,气室内部的温度稳定度优于±0.006 ℃,为原子自旋陀螺仪的性能提升提供了可靠保障。

     

  • 图 1  磁场相消示意图

    Figure 1.  Schematic of magnetic field cancellation

    图 2  电加热膜原理示意图

    Figure 2.  Schematic of principle of electric heating film

    图 3  双层对称结构电加热膜实物图

    Figure 3.  Picture of electric heating film with double-layer symmetrical structure

    图 4  电加热膜磁场仿真图

    Figure 4.  Diagram of electric heating film magnetic field simulation

    图 5  无磁电加热系统原理框图

    Figure 5.  Functional block diagram of non-magnetic electric heating system

    图 6  测温数据复合数字滤波流程图

    Figure 6.  Flowchart of temperature measurement data composite digital filter

    图 7  高频正弦波信号发生电路原理框图

    Figure 7.  Functional block diagram of high-frequency sine wave signal generation circuit

    图 8  磁场屏蔽装置

    Figure 8.  Magnetic field shielding device

    图 9  电加热膜磁场噪声抑制效果测试

    Figure 9.  Test on magnetic field noise suppression performance of electric heating film

    图 10  高频正弦波和方波加热驱动信号对比

    Figure 10.  Comparison of heating driving signal between highfrequency sine wave and square wave

    图 11  温控性能测试实验结果

    Figure 11.  Experimental results of temperature control performance test

    表  1  Ziegler-Nichols闭环整定法参数

    Table  1.   Ziegler-Nichols closed loop setting method's parameters

    参数 KP KI KD
    取值 0.6KPcrit 2KP/Tcrit 0.12KPTcrit
    下载: 导出CSV

    表  2  温控性能测试结果数据分析

    Table  2.   Data analysis of temperature control performance test results

    陀螺类型 设定值 平均值 偏差 标准差
    核磁共振陀螺仪 100 99.999 887 1.130 6×10-4 0.002 3
    SERF原子自旋陀螺仪 200 200.000 067 -6.666 7×10-5 0.002 5
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-12-22
  • 录用日期:  2017-01-13
  • 网络出版日期:  2018-01-20

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