Development of three-dimensional magnetic resistance electronic compass

ZHU Rong-hua1; LIN Xin-hua1; KONG De-yi1; MEI Tao1

doi:10.13873/j.1000-97872010.12.038

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Development of three-dimensional magnetic resistance electronic compass

更新时间：2025-09-11

- Development of three-dimensional magnetic resistance electronic compass
- Vol. 29, Issue 12, Pages: 102-104(2010)
- 作者机构：
  
  1. 中国科学院合肥智能机械研究所传感技术国家重点实验室安徽省仿生感知与先进机器人技术重点实验室
  2. 中国科学院合肥物质科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.12.038
  CLC： TP212
- Published：2010
- 稿件说明：
移动端阅览
[1]朱荣华,林新华,孔德义,梅涛.三维磁阻式电子罗盘的研制[J].传感器与微系统,2010,29(12):102-104.

ZHU Rong-hua1, LIN Xin-hua1, KONG De-yi1, et al. Development of three-dimensional magnetic resistance electronic compass[J]. 2010, 29(12): 102-104.
[1]朱荣华,林新华,孔德义,梅涛.三维磁阻式电子罗盘的研制[J].传感器与微系统,2010,29(12):102-104. DOI： 10.13873/j.1000-97872010.12.038.

ZHU Rong-hua1, LIN Xin-hua1, KONG De-yi1, et al. Development of three-dimensional magnetic resistance electronic compass[J]. 2010, 29(12): 102-104. DOI： 10.13873/j.1000-97872010.12.038.

摘要

利用三轴磁阻传感器和两轴倾角传感器研制三维磁阻式电子罗盘。三轴磁阻传感器HMC1043测量地磁场的3个分量

倾角传感器SCA100T测量罗盘的翻滚角和俯仰角

2只传感器的信号经过电路处理后传入单片机中

再通过RS—232接口输入到计算机进行计算处理

计算机终端采用VC编制的界面来显示罗盘的方位角和翻滚、俯仰角。系统采用了低功耗的置位/复位电路来保证磁阻传感器的灵敏度。最终电子罗盘的方位角精度达到0.5°

方位角分辨率达到0.1°。

Abstract

Three-axis magnetic sensor and dual-axis inclinometer are used to develop the three-dimensional magnetic electronic compass.The HMC1043 magnetic resistance sensor with three-axis can measure the earth magnetic density

and the SCA100T inclinometer can measure the roll and pitch angle of the compass.These signals are processed by signal processing circuit and then transferred to the MCU.The MCU collects these signals and then transmits them to a computer through the RS—232 interface.The computer has a VC program to process the data and display the azimuth

roll and pitch angles through an interface.To ensure the sensitivity of the magnetic resistance sensor

this system has a low power set/reset circuit.The compass’s accuracy of the azimuth is 0.5°

and the resolution of the azimuth is 0.1°.

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references

坡莫合金磁阻传感器的特性研究和应用 [J]. 黄一菲,郑神,吴亮,陆申龙. 物理实验 . 2002(04)

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