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多弱连接扇形超流体干涉栅陀螺的性能分析

赵玉龙 沈怀荣 任元 邵琼玲

赵玉龙, 沈怀荣, 任元, 等 . 多弱连接扇形超流体干涉栅陀螺的性能分析[J]. 北京航空航天大学学报, 2017, 43(5): 961-968. doi: 10.13700/j.bh.1001-5965.2016.0432
引用本文: 赵玉龙, 沈怀荣, 任元, 等 . 多弱连接扇形超流体干涉栅陀螺的性能分析[J]. 北京航空航天大学学报, 2017, 43(5): 961-968. doi: 10.13700/j.bh.1001-5965.2016.0432
ZHAO Yulong, SHEN Huairong, REN Yuan, et al. Performance analysis of multiple weak links fan shaped superfluid interference grating gyro[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(5): 961-968. doi: 10.13700/j.bh.1001-5965.2016.0432(in Chinese)
Citation: ZHAO Yulong, SHEN Huairong, REN Yuan, et al. Performance analysis of multiple weak links fan shaped superfluid interference grating gyro[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(5): 961-968. doi: 10.13700/j.bh.1001-5965.2016.0432(in Chinese)

多弱连接扇形超流体干涉栅陀螺的性能分析

doi: 10.13700/j.bh.1001-5965.2016.0432
基金项目: 

国家自然科学基金 51475472

国家“863”计划 2015AA8018038C

详细信息
    作者简介:

    赵玉龙, 男, 博士研究生。主要研究方向:先进量子陀螺技术

    任元, 男, 博士, 副教授。主要研究方向:先进量子陀螺技术

    通讯作者:

    任元, E-mail:renyuan_823@aliyun.com

  • 中图分类号: V448.2

Performance analysis of multiple weak links fan shaped superfluid interference grating gyro

Funds: 

National Natural Science Foundation of China 51475472

National High-tech Research and Development Program of China 2015AA8018038C

More Information
  • 摘要:

    针对传统超流体干涉栅陀螺中梯度热相位的引入使得角速度信息被无用信息淹没而不易提取的突出问题,提出了一种无梯度热相位的多弱连接扇形超流体干涉栅陀螺结构,并对该陀螺的精度和灵敏度性能进行了深入的研究。首先在明晰了干涉栅结构中梯度热相位形成机理的基础上,设计了无梯度热相位且相邻干涉环路面积相等的新型干涉栅陀螺结构。其次建立了该陀螺的数学模型,验证了陀螺敏感角速度的过程。最后对该系统的角速度检测范围和灵敏度进行了深入分析,探究了敏感面积、薄膜面积、约瑟夫森频率、微孔数目和弱连接数对超流体干涉栅陀螺检测角速度的影响,通过仿真对比分析,验证了该结构陀螺的超高精度、超高灵敏度性能。

     

  • 图 1  超流体干涉栅陀螺

    Figure 1.  Superfluid interference grating gyro

    图 2  超流体干涉栅陀螺相位分布

    Figure 2.  Superfluid interference grating gyro phase distribution

    图 3  新型超流体干涉栅陀螺

    Figure 3.  New superfluid interference grating gyro

    图 4  扇形干涉栅简图

    Figure 4.  Schematic diagram of fan shaped interference grating

    图 5  超流体干涉栅陀螺工作曲线

    Figure 5.  Superfluid interference grating gyro working curve

    图 6  无角速度输入时流量和薄膜位移曲线

    Figure 6.  Flow and film displacement curves without angular velocity input

    图 7  输入恒定角速度10-6 rad/s后流量和薄膜位移曲线

    Figure 7.  Flow and film displacement curves when input angular velocity is 10-6 rad/s

    图 8  不同Af时陀螺的检测角速度曲线

    Figure 8.  Gyro angular velocity detection curves with different Af

    图 9  不同fJ时陀螺的检测角速度曲线

    Figure 9.  Gyro angular velocity detection curves with different fJ

    图 10  不同N时陀螺的检测角速度曲线

    Figure 10.  Gyro angular velocity detection curves with different N

    图 11  不同n时陀螺的工作曲线

    Figure 11.  Gyro working curves with different n

    图 12  扇形超流体干涉栅陀螺灵敏度曲线

    Figure 12.  Fan shaped superfluid interference grating gyro sensitivity curve

    图 13  超流体干涉栅陀螺灵敏度曲线

    Figure 13.  Superfluids interference grating gyro sensitivity curves

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出版历程
  • 收稿日期:  2016-05-23
  • 录用日期:  2016-09-02
  • 刊出日期:  2017-05-20

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