Roll angle and rotation speed calculating based on uniaxial geomagnetic signal

LIU Ying; ZHANG Jia-yi; HAO Yong-ping; SUN Lin; ZHANG Ji-fa

doi:10.13873/j.1000-9787(2018)03-0141-04

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Roll angle and rotation speed calculating based on uniaxial geomagnetic signal

更新时间：2025-09-11

- Roll angle and rotation speed calculating based on uniaxial geomagnetic signal
- Vol. 37, Issue 3, Pages: 141-144(2018)
- 作者机构：
  
  1. 沈阳理工大学现代教育技术中心
  2. 沈阳理工大学CAD/CAM研究中心
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2018)03-0141-04
  CLC： TP212
- Published：2018
- 稿件说明：
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[1]刘英,张嘉易,郝永平,孙林,张继发.基于单轴地磁信号的滚转角及转速解算[J].传感器与微系统,2018,37(03):141-144.

LIU Ying, ZHANG Jia-yi, HAO Yong-ping, et al. Roll angle and rotation speed calculating based on uniaxial geomagnetic signal[J]. 2018, 37(3): 141-144.
[1]刘英,张嘉易,郝永平,孙林,张继发.基于单轴地磁信号的滚转角及转速解算[J].传感器与微系统,2018,37(03):141-144. DOI： 10.13873/j.1000-9787(2018)03-0141-04.

LIU Ying, ZHANG Jia-yi, HAO Yong-ping, et al. Roll angle and rotation speed calculating based on uniaxial geomagnetic signal[J]. 2018, 37(3): 141-144. DOI： 10.13873/j.1000-9787(2018)03-0141-04.

摘要

深入分析了基于单轴地磁传感器的旋转体滚转角与转速的实时解算方法

采用改进的均值滤波方法

有效减少了地磁电压信号干扰误差;根据低成本地磁器件的特点

提出了利用地磁信号周期采样点数T和零点C进行旋转体转速和转角实时预测的方法;推导了变周期下周期采样点数量计算公式。实验结果表明:在应用单轴低成本磁阻器件条件下

算法可以实现旋转体滚转角度和转速的实时解算

对降低检测成本具有现实意义。

Abstract

Real-time calculating method for roll angle and rotation speed of rotating body based on uniaxial geomagnetic sensors is deeply analyzed. An improved mean filtering method is adopted

which can effectively reduce the interference error of geomagnetic signals. According to the characteristics of low-cost geo-magnetic device

by using the periodic sampling points number T of geomagnetic signal and zero point C

a method for realtime prediction of roll angle and rotation speed of a spinning object is proposed

and formulas for calculating of the number T of periodic sampling points under variable cycles are derived. The experimental results show that the new method can realize real time calculation of the roll angle and rotate speed of rotating body under the condition of using uniaxial low cost magnetoresistive device

and it has practical significance to reduce detecting cost.

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references

基于磁阻传感器的地磁数据采集装置 [J]. 李文胜,管雪元,姜博文. 传感器与微系统 . 2017(02)

均值滤波和小波变换在瞬变电磁信号处理的应用 [J]. 吴巧,闫述. 数据通信 . 2013(06)

基于形态滤波和HHT的地磁信号分析与预处理 [J]. 李季,潘孟春,唐莺,罗飞路. 仪器仪表学报 . 2012(10)

基于磁阻传感器的旋转弹姿态测量算法研究 [J]. 李兴城,牛宏宇. 计算机仿真 . 2012(05)

包络均值滤波算法实时检测微弱信号 [J]. 叶卫东,李行善. 北京航空航天大学学报 . 2010(08)

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