Volume 34 Issue 06
Jun.  2008
Turn off MathJax
Article Contents
Wang Xinlong, Ma Shan. Applicability compensation method for random drift of fiber optic gyroscopes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(06): 681-685. (in Chinese)
Citation: Wang Xinlong, Ma Shan. Applicability compensation method for random drift of fiber optic gyroscopes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(06): 681-685. (in Chinese)

Applicability compensation method for random drift of fiber optic gyroscopes

  • Received Date: 13 May 2007
  • Publish Date: 30 Jun 2008
  • Based on the limitation of founding a time-sequence model and using Kalman filter to wipe off the random noise, an adaptive Kalman filtering arithmetic for on-line compensation of the random errors of fiber optic gyroscope (FOG) was presented. As emerging error in a time-sequence model, the time-varied model and unknown noise can be compensated by introducing a pseudo noise.Consequently, an appropriate high-precision filter was designed for the FOG inertial navigation system. The Allan variance was utilized to analyze the output of FOG, and some main noise of FOG can be extracted and confirmed, then the performance and precision of the time-sequence model of FOG can be evaluated. The practical data of FOG was analyzed. It is shown that the main random noise of FOG are the angular rate ramp, the rate random walk and the bias instability, and the proposed adapted Kalman filter arithmetic can adapt to the time-varied characteristic of the FOG drift, and it is an effective method for FOG to wipe off it-s random drift noise.

     

  • loading
  • [1] IEEE Std 952-1997,IEEE standard specification format guide and test procedure for single-Axis interferometric fiber optic gyros[S] [2] 姬伟,李奇.光纤陀螺信号误差分析与滤波算法的研究[J].传感技术学报,2007, 20(4):847-852 Ji Wei, Li Qi. Research on signal analysis and processing of FOG[J]. Chinese Journal of Sensors and Actuator,2007, 20(4):847-852(in Chinese) [3] 王海,陈家斌,黄威,等.光纤陀螺随机漂移测试及分析[J].光学技术,2004, 30(5):623-627 Wang Hai,Chen Jiabin,Huang Wei, et al. Detection and analysis of the fiber optic gyroscope’s random drift[J].Optical Technique,2004,30(5):623-627(in Chinese) [4] 朱奎宝,张春熹,张小跃.光纤陀螺随机漂移ARMA模型研究[J].宇航学报,2006,27(5):1118-1121 Zhu Kuibao,Zhang Chunxi,Zhang Xiaoyue.Study on modeling and identif ication of random drift for FOG[J]. Journal of Astronautics,2006,27(5):1118-1121(in Chinese) [5] Reddy PB,Dushman A. Development of long-term stability models for ring laser gyros[J]. IEEE Transaction on Aerospace and Electronic Systems,1992,28(1):92-96 [6] 孙枫,袁赣南,张晓红. 组合导航系统[M].哈尔滨:哈尔滨工程大学出版社,1996 Sun Feng, Yuan Gannan, Zhang Xiaohong. Intergrated navigation System[M].Harbin:Harbin Engineering University Press,1996(in Chinese)
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views(3354) PDF downloads(1101) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return