Study on error compensation of magnetic compass

LU Jian-shan; WANG Chang-ming; ZHANG Ai-jun

doi:10.13873/j.1000-97872010.06.004

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Study on error compensation of magnetic compass

更新时间：2025-09-11

- Study on error compensation of magnetic compass
- Vol. 29, Issue 6, Pages: 75-76+79(2010)
- 作者机构：
  
  南京理工大学机械工程学院精密仪器系
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.06.004
  CLC： V241.61
- Published：2010
- 稿件说明：
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[1]陆建山,王昌明,张爱军.数字磁罗盘的航向角干扰补偿方法研究[J].传感器与微系统,2010,29(06):75-76+79.

LU Jian-shan, WANG Chang-ming, ZHANG Ai-jun. Study on error compensation of magnetic compass[J]. 2010, 29(6): 75-76+79.
[1]陆建山,王昌明,张爱军.数字磁罗盘的航向角干扰补偿方法研究[J].传感器与微系统,2010,29(06):75-76+79. DOI： 10.13873/j.1000-97872010.06.004.

LU Jian-shan, WANG Chang-ming, ZHANG Ai-jun. Study on error compensation of magnetic compass[J]. 2010, 29(6): 75-76+79. DOI： 10.13873/j.1000-97872010.06.004.

摘要

针对磁罗盘在实际使用中产生的各种误差

分析了其产生原因

并对2种误差补偿方法—八位置最小二乘法和BP网络补偿法进行了比较分析。在此基础上

提出了两者组合的补偿方案

对磁罗盘的输出先采用最小二乘法粗校

再应用BP网络精校。结果表明:补偿前最大31°的误差基本控制在±0.15°之内

能够很好地满足实际使用的需要。

Abstract

Aimed at the errors of magnetic compass in practical use

the reason which cause errors is analyzed.And the compensating methods of least squared method and BP networks are compared.Based on it

an integrated compensation method is presented.Least squared method is used to coarsely calibrate the compass output

and then the method of BP networks is applied to finely calibrate the error.The results show that

errors whose maximum value is 31° before compensated is controlled within ±0.15°and it can meet practical demands very well.

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references

三轴电子罗盘的磁航向角误差补偿研究 [J]. 张爱军,王昌明,赵辉. 传感器与微系统 . 2008(08)

电子磁罗盘测量误差校正方法研究 [J]. 沈鹏,徐景硕,高扬. 仪器仪表学报 . 2007(10)

磁罗盘误差分析及补偿 [J]. 王璐,赵忠,邵玉梅,贺海鸥,罗进. 传感技术学报 . 2007(02)

神经网络与应用[M]. 国防工业出版社 , 董长虹编著, 2005

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