Design of detection system for RTD fluxgate sensor

WANG Yan-zhang; LI Jing-jie; LIU Wei; ZHAO Chen-yang; CHEN Si-yu

doi:10.13873/J.1000-9787(2015)09-0104-04

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Design of detection system for RTD fluxgate sensor

更新时间：2025-09-11

- Design of detection system for RTD fluxgate sensor
- Vol. 34, Issue 9, Pages: 104-107+116(2015)
- 作者机构：
  
  1. 吉林大学仪器科学与电气工程学院
  2. 吉林大学地球信息探测仪器教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)09-0104-04
  CLC： TP212;TP274
- Published：2015
- 稿件说明：
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[1]王言章,李京杰,刘维,赵辰阳,陈思宇.RTD型磁通门传感器检测系统设计[J].传感器与微系统,2015,34(09):104-107+116.

WANG Yan-zhang, LI Jing-jie, LIU Wei, et al. Design of detection system for RTD fluxgate sensor[J]. 2015, 34(9): 104-107+116.
[1]王言章,李京杰,刘维,赵辰阳,陈思宇.RTD型磁通门传感器检测系统设计[J].传感器与微系统,2015,34(09):104-107+116. DOI： 10.13873/J.1000-9787(2015)09-0104-04.

WANG Yan-zhang, LI Jing-jie, LIU Wei, et al. Design of detection system for RTD fluxgate sensor[J]. 2015, 34(9): 104-107+116. DOI： 10.13873/J.1000-9787(2015)09-0104-04.

摘要

为了对外界静磁场进行检测

设计了滞留时间差（RTD）型磁通门传感器的检测系统。通过对检测系统信号调理电路、数字存储单元以及数据处理算法等方面的设计优化

提高了检测系统的检测精密度和准确度。在电磁屏蔽室中

利用赫姆霍兹线圈给定外磁场

对所设计的检测系统进行测试

实验结果表明:时间差波动小于±0.1μs

在±5×104n T范围内线性度误差为±0.21%

灵敏度为22.4 s/T

多次测量标准差不大于0.03

适合用于对静磁场的检测。

Abstract

To measure static magnetic field

a detection system for residence times difference（ RTD） fluxgate sensor is developed. To improve the precision and accuracy of the detection system

the design optimization of the system is carried out in three aspects of signal conditioning circuit

data storage and processing algorithm. In electromagnetic shielding enclosure

the detection system is tested on self-designed detector with given external field by Helmholtz coil. Results show that in the range of ± 5 × 104 n T

the fluctuation of time difference is less than ± 0. 1 μs

linearity error is ± 0. 21 %

sensitivity is 22. 4 ns / n T and repetitive error is not more than 0. 03

which is suitable for the detection of static magnetic field.

关键词

Keywords

references

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磁传感器及其应用 [J]. 郭志友,孙慧卿. 传感器技术 . 2002(07)

磁通门技术及其应用 [J]. 郭爱煌,傅君眉. 传感器技术 . 2000(04)

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