Design of two-wire system angle sensor based on TMR

ZHANG Ke; TIAN Yue; WANG Qi

doi:10.13873/J.1000-9787(2016)05-0080-04

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Design of two-wire system angle sensor based on TMR

更新时间：2025-09-11

- Design of two-wire system angle sensor based on TMR
- Vol. 35, Issue 5, Pages: 80-83(2016)
- 作者机构：
  
  北京科技大学北京市弱磁检测及应用工程技术研究中心
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)05-0080-04
  CLC： TP212
- Published：2016
- 稿件说明：
移动端阅览
[1]张珂,田跃,王琦.基于TMR的二线制角度传感器设计[J].传感器与微系统,2016,35(05):80-83.

ZHANG Ke, TIAN Yue, WANG Qi. Design of two-wire system angle sensor based on TMR[J]. 2016, 35(5): 80-83.
[1]张珂,田跃,王琦.基于TMR的二线制角度传感器设计[J].传感器与微系统,2016,35(05):80-83. DOI： 10.13873/J.1000-9787(2016)05-0080-04.

ZHANG Ke, TIAN Yue, WANG Qi. Design of two-wire system angle sensor based on TMR[J]. 2016, 35(5): 80-83. DOI： 10.13873/J.1000-9787(2016)05-0080-04.

摘要

隧道磁阻（TMR）相比于传统磁敏感元件具有功耗低、体积小、灵敏度高、温度特性好等优点。基于TMR芯片设计的两线制非接触式角度传感器

遵循低功耗原则设计了硬件电路

软件上完成对芯片输出正弦曲线的修正和角度的校准

通过XTR115芯片实现了工业二线制4

0 m A标准输出

能对360°全角度进行精确测量。实验证明:该角度传感器精度达到设计要求

特别适用于需要远距离传输信号的工业现场。

Abstract

Compared to traditional magnetic sensitive elements

TMR has low power consumption

small size

high sensitivity and good temperature characteristics

etc

a two-wire non-contact angular sensor is designed based on TMR chip

according to low power consumption rule

hardware circuit is designed. Revision of sinusoidal curve of chip output and calibration of angle are performed by software

realize two-wire 4

20 m A output with XTR115 chip

which is able to measure 0

360° accurately. Experiment prove that the precision achieves requirements

which is especially for industrial situation when long-range signal transmission is necessary.

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references

基于TMR磁传感器的电力系统大电流测量 [J]. 李东昇,程武山. 传感器与微系统 . 2013(12)

隧道磁电阻（TMR）磁传感器的特性与应用 [J]. 吕华,刘明峰,曹江伟,白建民,魏福林,杨正,王建国. 磁性材料及器件 . 2012(03)

一种4～20mA电流输出的电容角度传感器 [J]. 秦玉伟,皇甫国庆,金轶锋,李芳菊. 传感器与微系统 . 2009(11)

传感器技术发展动向 [J]. 常志文. 昆明冶金高等专科学校学报 . 2005(05)

强磁场误差校准的磁电阻角度传感器及其校准方法 [P]. 詹姆斯·G·迪克. 中国专利:CN104677266A,

Design of Sinusoidal Signal Generator Based on Two-wire Transmitter [J] . Fu Changyou. IERI Procedia . 2012

Critical challenges for picoTesla magnetic-tunnel-junction sensors [J] . W.F. Egelhoff,P.W.T. Pong,J. Unguris,R.D. McMichael,E.R. Nowak,A.S. Edelstein,J.E. Burnette,G.A. Fischer. Sensors & Actuators: A. Physical . 2009 (2)

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