Design and error calibration of three-axis electronic compass

WANG Yong-jun; LI Zhi; LI Xiang

doi:10.13873/j.1000-97872010.10.014

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Design and error calibration of three-axis electronic compass

更新时间：2025-09-11

- Design and error calibration of three-axis electronic compass
- Vol. 29, Issue 10, Pages: 110-112(2010)
- 作者机构：
  
  桂林电子科技大学电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.10.014
  CLC： TN965
- Published：2010
- 稿件说明：
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[1]王勇军,李智,李翔.三轴电子罗盘的设计与误差校正[J].传感器与微系统,2010,29(10):110-112.

WANG Yong-jun, LI Zhi, LI Xiang. Design and error calibration of three-axis electronic compass[J]. 2010, 29(10): 110-112.
[1]王勇军,李智,李翔.三轴电子罗盘的设计与误差校正[J].传感器与微系统,2010,29(10):110-112. DOI： 10.13873/j.1000-97872010.10.014.

WANG Yong-jun, LI Zhi, LI Xiang. Design and error calibration of three-axis electronic compass[J]. 2010, 29(10): 110-112. DOI： 10.13873/j.1000-97872010.10.014.

摘要

介绍了三轴电子罗盘的测量原理。利用各向异性磁阻传感器和加速度传感器研制了带倾斜补偿功能的三轴电子罗盘

并论述了电子罗盘的硬件设计和软件流程。针对电子罗盘传感器的误差特点

采用十二位置标定法实现了罗盘的校正。在罗盘处于不同倾斜的情况下进行圆周测试

经误差校正和倾角补偿后的轨迹是大体重合的圆

有效降低了罗盘误差。在某些具备翻滚条件的应用场合

该校正方法还可有效补偿电子罗盘的罗差。

Abstract

The measuring principle of three-axis electronic compass is introduced.A tilt-compensated three-axis electronic compass has been developed based on anisotropic magneto-resistive sensor and accelerometer.The hardware design and software flow chart are discussed.Aimed at the features of sensors’errors

a twelve-attitude calibration method has been used for the calibration of compass.According to experiment results of different tilt angle of circumference test

the trajectories are essentially coincident with circle after error calibration and tilt-compensated

which effectively reduces the error.This calibration method is also effective for the compensation of magnetic deviation

in the case that rolling is possible.

关键词

Keywords

references

新型磁阻传感器在地磁场测量中的应用 [J]. 王国余,张欣,景亮. 传感器技术 . 2002(10)

磁方向测量的一种实用系统 [J]. 奚普周,王珍熙,汪叔华. 数据采集与处理 . 1995(03)

导航系统[M]. 航空工业出版社 , 袁信等编著, 1993

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Related Institution

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