一种实用旋转调制式陀螺寻北仪的设计

徐海刚;郭宗本

兵工学报 ›› 2010, Vol. 31 ›› Issue (5) : 616-619.

兵工学报 ›› 2010, Vol. 31 ›› Issue (5) : 616-619. DOI: 10.3969/j.issn.1000-1093.2010.05.016
研究简报

一种实用旋转调制式陀螺寻北仪的设计

  • 徐海刚, 郭宗本
作者信息 +

Design of a Practical Rotation-Modulated Gyro North-Finder

  • XU Hai-gang, GUO Zong-ben
Author information +
文章历史 +

摘要

提出一种实用的旋转调制式陀螺寻北仪结构,由1个单轴光纤陀螺(FOG)、2个石英加速度提出一种实用的旋转调制式陀螺寻北仪结构,由1个单轴光纤陀螺(FOG)、2个石英加速度计和旋转机构组成,完成寻北的同时还可以得到具有一定精度的纬度信息。推导了寻北原理公式。基于递推最小二乘法开发了实用的算法,以消除陀螺漂移和噪声对寻北精度的影响。进行了误差分析,指出影响寻北精度的重要因素是陀螺漂移的稳定性,对寻北精度进行了理论计算。研制原理样机进行了8位置寻北试验,结果表明:3 min内方位角估计值进入0.1°误差带,重复性精度可达0.071°,纬度精度可达0.068°.

Abstract

A practical rotation-modulated north-finder was put forward which consists of

关键词

自动控制技术 / 寻北仪 / 旋转调制 / 光纤陀螺 / 加速度

Key words

automatic control technology / north-finder / rotation-modulation / fiber opti

引用本文

导出引用
徐海刚, 郭宗本. 一种实用旋转调制式陀螺寻北仪的设计. 兵工学报. 2010, 31(5): 616-619 https://doi.org/10.3969/j.issn.1000-1093.2010.05.016
XU Hai-gang, GUO Zong-ben. Design of a Practical Rotation-Modulated Gyro North-Finder. Acta Armamentarii. 2010, 31(5): 616-619 https://doi.org/10.3969/j.issn.1000-1093.2010.05.016

基金

“985工程”资助项目(222105)

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