Acta Optica Sinica, Volume. 44, Issue 2, 0206003(2024)

Thermal-Induced Drift Analysis and Algorithm Compensation Technology of Fiber Optic Gyroscope

Yue Leng1,2,3、* and Sheng Zhong1,2
Author Affiliations
  • 1School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan 430074, Hubei , China
  • 2National Key Laboratory of Multispectral Information Intelligent Processing Technology, Wuhan 430074, Hubei , China
  • 3Wuhan National Laboratory for Optoelectronics, Huazhong Institute of Electro-Optics, Wuhan 430223, Hubei , China
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    Figures & Tables(12)
    Test field diagram
    Gyroscope output and temperature curves. (a) Zerobias curve; (b) temperature curve
    Temperature change process correlation curve
    Location diagram of two temperature sensors
    Output curves of two temperature sensors
    Process correlation considering temperature, temperature variation rate, and temperature gradient
    Gyroscope output contrast curves before and after compensation
    Process correlation curves considering coupling term factors
    Algorithm compensation effect considering coupling term factor
    Results of gyroscope experiment before algorithm compensation. (a) Temperature curve; (b) zerobias curves
    Results of gyroscope experiment after algorithm compensation. (a) Temperature curve; (b) zerobias curves
    • Table 1. Different compensation effects of temperature and temperature variation rate factors

      View table

      Table 1. Different compensation effects of temperature and temperature variation rate factors

      ItemTemperatureTemperature variation rateZero offset /[(°)·h-1Variable temperature zerobias stability(100 s smoothing)/[(°)·h-1
      1Zero-orderZero-order7.6310.0516
      2First-orderZero-order7.6310.0514
      3Zero-orderFirst-order7.6310.0069
      4First-orderFirst-order7.6310.0059
      5Second-orderFirst-order7.6310.0059
      6First-orderSecond-order7.6310.0059
      7Second-orderSecond-order7.6310.0059
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    Yue Leng, Sheng Zhong. Thermal-Induced Drift Analysis and Algorithm Compensation Technology of Fiber Optic Gyroscope[J]. Acta Optica Sinica, 2024, 44(2): 0206003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Aug. 15, 2023

    Accepted: Oct. 21, 2023

    Published Online: Jan. 15, 2024

    The Author Email: Leng Yue (516258002@qq.com)

    DOI:10.3788/AOS231416

    CSTR:32393.14.AOS231416

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