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单轴光纤陀螺寻北仪四位置寻北误差分析

Four Position North Seeking Error Analysis for Single-Axis FOG North-Seeker

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摘要

基于光纤陀螺寻北仪误差模型和光纤陀螺的误差特性,从理论上对光纤陀螺寻北仪寻北误差进行了分析,提出寻北仪主要包括系统误差和器件误差两个方面的误差源,并分别对不同误差源引起的寻北误差进行推导,得到光纤陀螺寻北仪寻北精度主要受陀螺零偏漂移、安装误差和转台测角精度决定的结论。对光纤陀螺寻北仪各误差源引起的寻北误差进行仿真实验,在考虑系统误差的条件下,0.01°/h精度的光纤陀螺寻北误差最大可达0.045°,实验结果证明了理论分析的正确性。

Abstract

Based on the error model of FOG north-seeker and error characteristics of FOG, the north seeking error of FOG north-seeker is analyzed in theory , and the error sources of north-seeker which include system error and device error are put forward. The north seeking error caused by different error sources is deduced as well. It is conduded that the north seeking precision of FOG north-seeker mainly depends on gyro drift, installation error and angle measurement accuracy. Simulation experiment is made on north seeking error caused by various error sources of FOG North-seeker. Considering system error, the north seeking error could be 0.045° when using 0.01°/h FOG. The experimental results show the validity of the theoretical analysis.

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所属栏目:光电导航

基金项目:海军武器装备预研(302010704××××)资助项目

收稿日期:2017-04-17

修改稿日期:2017-06-28

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蔡迎波:中国人民解放军92941部队95分队, 辽宁 葫芦岛 125001
乔永严:中国人民解放军92941部队95分队, 辽宁 葫芦岛 125001

联系人作者:蔡迎波(cyb1967@163.com)

备注:蔡迎波(1967-),男,高级工程师, 主要从事惯性导航技术方面的研究工作。

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引用该论文

CAI Ying-bo,QIAO Yong-yan. Four Position North Seeking Error Analysis for Single-Axis FOG North-Seeker[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2017, 15(6): 84-88

蔡迎波,乔永严. 单轴光纤陀螺寻北仪四位置寻北误差分析[J]. 光学与光电技术, 2017, 15(6): 84-88

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