ZHU Shu-sheng, REN Jian-xin, ZHANG An-feng. Random walk analysis of fiber optic gyroscope[J]. Journal of Applied Optics, 2009, 30(6): 1003-1006.
Citation: ZHU Shu-sheng, REN Jian-xin, ZHANG An-feng. Random walk analysis of fiber optic gyroscope[J]. Journal of Applied Optics, 2009, 30(6): 1003-1006.
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Random walk analysis of fiber optic gyroscope

  • 1.

    School of Automation,Northwestern Polytechnical University,Xi’an 710129,China;

  • 2.

    Xi’an Institute of Applied Optics,Xi’an 710065,China

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    • Abstract
  • The analysis of random walk coefficient is very important to the overall performance evaluation of fiber optic gyro (FOG). Two methods were introduced to analyze FOG random walk noise, Allan variance and modified Allan variance. Static data were used to calculate the noise contents in fiber optic gyroscope (FOG)s output with these two methods, and the results were compared. The final results show that modified Allan variance can distinguish all types of noise easily with increased computation time and the computation accuracy of the various FOG random walk noise coefficients can be improved.
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  • ［1］周海波,刘建业,赖际舟.干涉型光纤陀螺随机噪声的分析研究［J］.传感器与微系统,2006,25(11):73-76.
    ZHOU Hai-bo, LIU Jian-ye, LAI Jizhou. Research on IFOG random noise［J］. Transducer and Microsystem Technologies, 2006,25(11):73-76. (in Chinese with an English abstract)
    ［2］The gyro and accelerometer panel of the IEEE aero-space and electronic systems society, IEEE Std 952-1997. IEEE standard specification formt guide and test procedure and test procedure for single-axis interferometric fiber optic gyros［S］. New York:The Institute of Electrical and Electronics Engineers, Inc, 1998.
    ［3］ALLAN D W, BARNES J A. A modified Allan Va-riance with increased oscillator characterization ability［C］. Fort Monmouth, NJ:Proc 35th Annu Symp Frequency Control,1981.
    ［4］宋凝芳,张中刚,李立京,等.光纤陀螺随机游走系数的分析研究［J］.中国惯性技术学报,2004,12(4):34-38.
    SONG Ning-fang, ZHANG Zhong-gang, LI Li-jing，et al. Random walk coefficient of fiber optic gyro［J］. Journal of Chinese Inertial Technology, 2004,12(4):34-38. (in Chinese with an English abstract)
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