Application of AMR sensor in UBM linear scanning probe

LIU Qing-qing; ZHENG Zheng

doi:10.13873/j.1000-97872013.02.033

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Application of AMR sensor in UBM linear scanning probe

更新时间：2025-09-11

- Application of AMR sensor in UBM linear scanning probe
- Vol. 32, Issue 2, Pages: 146-148+152(2013)
- 作者机构：
  
  上海理工大学医疗器械与食品学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.02.033
  CLC： TP212.9
- Published：2013
- 稿件说明：
移动端阅览
[1]柳青青,郑政.AMR传感器在UBM线性扫描探头中的应用[J].传感器与微系统,2013,32(02):146-148+152.

LIU Qing-qing, ZHENG Zheng. Application of AMR sensor in UBM linear scanning probe[J]. 2013, 32(2): 146-148+152.
[1]柳青青,郑政.AMR传感器在UBM线性扫描探头中的应用[J].传感器与微系统,2013,32(02):146-148+152. DOI： 10.13873/j.1000-97872013.02.033.

LIU Qing-qing, ZHENG Zheng. Application of AMR sensor in UBM linear scanning probe[J]. 2013, 32(2): 146-148+152. DOI： 10.13873/j.1000-97872013.02.033.

摘要

根据各向异性磁电阻（AMR）传感器的基本原理

提出一种非接触式测量活体超声显微镜（UBM）中超声换能器线性位移的方法。通过单片机PIC16F1827和AMR组成的硬件电路对AMR线性传感器数据进行采集

利用单片机对采集到的数据进行数字滤波、线性校正

输出控制信号。实验表明:基于AMR传感器检测位移的方法能够精确检测超声换能器的位移

实时性好。

Abstract

According to the ultimate principle of anisotropy magneto resistance（AMR） effect

a non-contact method to measure micro linear displacements of ultrasound transducer in UBM is presented.It collects datas from AMR sensors

using MCU to carry out digital filtering on datas

linear calibration and output control signal via microcontroller PIC16F1827 and hardware circuit that contains AMR sensors.Experiments show that this method has the advantages of high precision and good instantaneity in detecting the displacements of the ultrasound transducer.

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references

各向异性磁阻传感器的原理及其应用 [J]. 裴轶,虞南方,刘奇,刘进. 仪表技术与传感器 . 2004(08)

一种超声线性扫描装置 [P]. 柳青青,赵智慧,李金冬,郑政. 中国专利:CN202154700U,

活体超声显微镜眼科学[M]. 科学出版社 , 王宁利,刘文主编, 2002

机械控制入门[M]. 科学出版社 , (日)末松良一著, 2000

超声诊断设备原理与设计[M]. 中国医药科技出版社 , 冯若主编, 1993

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