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激光陀螺测角仪的校准与计量方法

邹伟 黄垚 梁可 朱进 薛梓

邹伟,黄垚,梁可,等. 激光陀螺测角仪的校准与计量方法[J]. 计量科学与技术,2022, 66(4): 40-47 doi: 10.12338/j.issn.2096-9015.2021.0598
引用本文: 邹伟,黄垚,梁可,等. 激光陀螺测角仪的校准与计量方法[J]. 计量科学与技术,2022, 66(4): 40-47 doi: 10.12338/j.issn.2096-9015.2021.0598
ZOU Wei, HUANG Yao, LIANG Ke, ZHU Jin, XUE Zi. Calibration and Measurement Method of Laser Gyro Goniometer[J]. Metrology Science and Technology, 2022, 66(4): 40-47. doi: 10.12338/j.issn.2096-9015.2021.0598
Citation: ZOU Wei, HUANG Yao, LIANG Ke, ZHU Jin, XUE Zi. Calibration and Measurement Method of Laser Gyro Goniometer[J]. Metrology Science and Technology, 2022, 66(4): 40-47. doi: 10.12338/j.issn.2096-9015.2021.0598

激光陀螺测角仪的校准与计量方法

doi: 10.12338/j.issn.2096-9015.2021.0598
基金项目: 国家自然科学基金重点项目(51935004)。
详细信息
    作者简介:

    邹伟(1985-),中国计量科学研究院助理研究员,研究方向:角度计量、视觉测量,邮箱:zouwei@nim.ac.cn

    通讯作者:

    薛梓(1969-),中国计量科学研究院研究员,研究方向:角度计量,邮箱:xuez@nim.ac.cn

Calibration and Measurement Method of Laser Gyro Goniometer

  • 摘要: 激光陀螺由于零位漂移、溯源等问题导致其无法成为计量标准器,为充分发挥其优越的高精度测角性能,详细介绍了其在计量领域应用,重新定义了更能直观表征激光陀螺测角仪的性能参数,给出了与激光陀螺中“标度因数”、“零漂”相对应的“刻度系数”和“偏置”的定义,通过实验测试了激光陀螺测角仪的刻度系数非线性度、稳定性以及刻度系数温度灵敏度、偏置重复性和偏置温度灵敏度等性能参数,给出了适用于激光陀螺测角仪的校准方法。最后提出了一种去除线性误差的方法,解决激光陀螺测角仪在线计量的溯源问题,通过实验验证因直线拟合误差引入的测角误差小于0.05″,激光陀螺测角仪零起分度误差为±0.5″,可以满足大部分待测仪器的角度校准要求,为测试角位置误差提供了一种有效的在线计量方法。
  • 图  1  刻度系数非线性度标定示意图

    Figure  1.  Schematic diagram of scale coefficient nonlinearity calibration

    图  2  刻度系数温度灵敏度标定示意图

    Figure  2.  Schematic diagram of scale coefficient temperature sensitivity calibration

    图  3  偏置标定示意图

    Figure  3.  Schematic diagram of bias calibration

    图  4  偏置的温度灵敏度标定示意图

    Figure  4.  Schematic diagram of biased temperature sensitivity calibration

    图  5  零起分度误差实验装置图

    Figure  5.  Experimental device of zero division error

    图  6  零起分度误差实验结果

    Figure  6.  Experimental results of zero division error

    图  7  1000次仿真实验数据图

    Figure  7.  Data chart of 1000 simulation experiments

    图  8  三轴转台角位置误差在线测量实物图

    Figure  8.  Online measurement of angular position error of three axis turntable

    图  9  外框轴角位置测量误差曲线图

    Figure  9.  Measurement error curve of outer frame axis angular position

    图  10  中框轴角位置测量误差曲线图

    Figure  10.  Measurement error curve of middle frame axis angle position

    图  11  内框轴角位置测量误差曲线图

    Figure  11.  Measurement error curve of inner frame axis angle position

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出版历程
  • 网络出版日期:  2022-04-15
  • 刊出日期:  2022-06-02

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