[1]于葛亮,卜雄洙,史晓君,等.基于纵向激励的铁基非晶带弱磁传感器研究[J].南京理工大学学报(自然科学版),2011,(03):338-342.
 YU Ge-liang,BU Xiong-zhu,SHI Xiao-jun,et al.Fe-based Amorphous Ribbon Weak Magnetic Sensor Based on Longitudinal Excitation[J].Journal of Nanjing University of Science and Technology,2011,(03):338-342.
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基于纵向激励的铁基非晶带弱磁传感器研究
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2011年03期
页码:
338-342
栏目:
出版日期:
2011-06-30

文章信息/Info

Title:
Fe-based Amorphous Ribbon Weak Magnetic Sensor Based on Longitudinal Excitation
作者:
于葛亮;卜雄洙;史晓君;熊长兵;
南京理工大学机械工程学院,江苏南京210094
Author(s):
YU Ge-liangBU Xiong-zhuSHI Xiao-junXIONG Chang-bing
School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
纵向激励 铁基非晶带 弱磁传感器 巨磁阻抗效应
Keywords:
longitudinal excitation Fe-based amorphous ribbons weak magnetic sensors giant magnetic impedance
分类号:
TP212.13
摘要:
为研制高性能的弱磁传感器,通过纵向激励方式,使得铁基非晶带Fe78Si9B13具有高巨磁阻抗(GM I)效应。在传感器电路设计中,RC反相振荡电路与开关管构成脉冲信号发生电路;峰值检波电路、无源低通滤波电路与AD620差分运算电路构成信号调理电路;由双运放组成的V/I转换电路作为负反馈电路。对基于GM I效应的弱磁传感器的输出进行了试验标定与数据分析。测试结果表明:在磁场-210μT至210μT范围内,灵敏度为5.7 mV/μT、线性度为0.87%,重复性为0.63%,迟滞误差为±0.36%,达到了实际的弱磁场测试要求。
Abstract:
To research the weak magnetic sensor with high performance,the Fe-based amorphous ribbon Fe78Si9B13 is made to have high giant magneto impedance(GMI)effect by longitudinal excitation.In the circuit design of the sensor,the pulse excitation current circuit is made up of the RC-invertors oscillating circuit and a switch transistor;the signal conditioning circuit is composed of a peak-value detector,a passive low-pass filter circuit and a differential amplifier AD620;the feedback circuit is composed of a V/I converting circuit based on a dual operational amplifiers.The output of the weak magnetic sensor based on the GMI effect is experimentally calibrated and analyzed on data.The test results show:in the magnetic field from-210μT to 210μT,the sensitivity is 5.7 mV/μT,the linearity is 0.87%,the repeatability is 0.63% and the hysteresis is ±0.36%,which attains the test requirement of a weak magnetic field.

参考文献/References:

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相似文献/References:

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 Shi Xiaojun,Bu Xiongzhu,Yang Bo.Fe-based amorphous ribbon accelerometer based on longitudinal excitation[J].Journal of Nanjing University of Science and Technology,2013,37(03):46.

备注/Memo

备注/Memo:
作者简介:于葛亮( 1986) ,男,博士生,主要研究方向: 传感器及信号测试,E-mail: yugeliang@ gmail. com; 通讯作 者: 卜雄洙( 1966 - ) ,男,教授,博士生导师,主要研究方向: 动态测试技术与传感器研究,E-mail: buxu105@ njust. edu. cn。
更新日期/Last Update: 2012-06-30