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Theory and error compensation method based on the tilt sensor adopted in dynamic angle measurement of the fiber optic gyroscope

机译：基于光纤陀螺动态角度测量倾斜传感器的理论与误差补偿方法

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摘要

The fiber optic gyroscope (FOG) has been widely used in the field of dynamic angle measurement due to its characteristics of wide dynamic range and high precision. Considering the change of the installation state of the FOG and the inconvenience of the calibration of the scale factor in engineering, an error compensation of the angle measurement using FOG, which is based on the tilt sensor, is proposed in this paper. Firstly, the principle of the angle measurement based on the FOG and the principle of the tilt sensor are introduced and the error compensation model based on tilt sensor is established. Secondly, simulation analysis and error analysis are performed and the compensation scheme is designed. Finally, according to the compensation scheme, the instrument prototype is built and the experiments are carried out. The experimental results show that although the error is not completely eliminated after adopting compensation scheme, the angle measurement deviation of the FOG can be greatly reduced and limited within 5 '' when the tilt state changes within a small range (the output of the tilt sensor is less than 0.3 degrees). It indicates that the compensation scheme is effective and feasible. More importantly, it is easier to realize in engineering in contrast with other compensation methods.
机译：由于其具有宽动态范围和高精度的特性，光纤陀螺仪（雾）已广泛用于动态角度测量领域。考虑到雾的安装状态的变化和工程规模因子校准的不便，本文提出了使用雾的角度测量的误差补偿，该纸张在本文中提出了基于倾斜传感器的雾。首先，引入了基于雾的角度测量的原理和倾斜传感器的原理，并且建立了基于倾斜传感器的误差补偿模型。其次，执行仿真分析和误差分析，设计了补偿方案。最后，根据补偿方案，建立了仪器原型并进行实验。实验结果表明，尽管在采用补偿方案之后没有完全消除误差，但是当倾斜状态在少量范围内（倾斜传感器的输出时，雾的角度测量偏差可以大大减少和限制在5'之内。小于0.3度）。它表明补偿方案是有效和可行的。更重要的是，与其他补偿方法相比，在工程中更容易实现。

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  • 来源
    《Optical fiber technology》 |2020年第12期|102368.1-102368.9|共9页
  • 作者

    Mou Jiapeng; Huang Tengchao; Shu Xiaowu;

  • 作者单位

    Zhejiang Univ Coll Opt Sci & Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Coll Opt Sci & Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Coll Opt Sci & Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Angle measurement; Fiber optic gyroscope; Tilt sensor; Error compensation;

    机译：角度测量;光纤陀螺;倾斜传感器;误差补偿;

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