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光纤陀螺惯性测量单元数据频混误差仿真分析

潘雄 黄玉琼 张少博 王夏霄 宋凝芳

潘雄, 黄玉琼, 张少博, 等 . 光纤陀螺惯性测量单元数据频混误差仿真分析[J]. 北京航空航天大学学报, 2016, 42(9): 1836-1842. doi: 10.13700/j.bh.1001-5965.2015.0544
引用本文: 潘雄, 黄玉琼, 张少博, 等 . 光纤陀螺惯性测量单元数据频混误差仿真分析[J]. 北京航空航天大学学报, 2016, 42(9): 1836-1842. doi: 10.13700/j.bh.1001-5965.2015.0544
PAN Xiong, HUANG Yuqiong, ZHANG Shaobo, et al. Simulation and analysis of data frequency mixing errors in IMU based on FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(9): 1836-1842. doi: 10.13700/j.bh.1001-5965.2015.0544(in Chinese)
Citation: PAN Xiong, HUANG Yuqiong, ZHANG Shaobo, et al. Simulation and analysis of data frequency mixing errors in IMU based on FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(9): 1836-1842. doi: 10.13700/j.bh.1001-5965.2015.0544(in Chinese)

光纤陀螺惯性测量单元数据频混误差仿真分析

doi: 10.13700/j.bh.1001-5965.2015.0544
详细信息
    作者简介:

    潘雄,男,博士,讲师,硕士生导师。主要研究方向:光纤陀螺技术。Tel.:010-82316547-898,E-mail:08768@buaa.edu.cn;黄玉琼女,硕士研究生。主要研究方向:多采样率信号处理。Tel.:010-82316547-819,E-mail:15029913792@163.com;张少博,男,博士研究生。主要研究方向:光纤传感器信号处理及系统集成。Tel.:010-82316547-819,E-mail:zhangshaobo@buaa.edu.cn;王夏霄男,博士,高级工程师,硕士生导师。主要研究方向:光纤陀螺与光纤传感技术。Tel.:010-82316547-811,E-mail:wangxiaxiao@buaa.edu.cn;宋凝芳女,博士,教授,博士生导师。主要研究方向:光纤传感技术、空间光电技术。Tel.:010-82338814,E-mail:snf@263.net

    通讯作者:

    潘雄,Tel.:010-82316547-898,E-mail:08768@buaa.edu.cn

  • 中图分类号: V249.32+2;TN911.72

Simulation and analysis of data frequency mixing errors in IMU based on FOG

  • 摘要: 导航计算机对光纤陀螺(FOG)测量数据的异步重采样将引起数据的频谱混叠误差。基于FOG信号检测特点,以FOG闭环输出数据更新率、惯性测量单元(IMU)异步通信定时脉冲频率为参量,以载体的正弦干扰频率为变量,以导航计算机接收信号直流(DC)分量的幅值误差抑制为目标,建立了仿真模型。分析了现有内插抽取方案和滑动滤波方案的数据频混误差及延时特性。提出了类盲发变滑窗长度方案,抑制了频混误差响应谱对滑窗长度的敏感性。仿真结果表明,相比滑窗长度偏离最优值4%的滑动滤波方案,变滑窗长度方案的误差最大值从0.056 85降至0.009 737,能更好地适应定时脉冲信号频率抖动或切换的工程应用需求。

     

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出版历程
  • 收稿日期:  2015-08-24
  • 刊出日期:  2016-09-20

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