| 基于磁阻传感器的铁磁体探测系统设计 |
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| 引用本文： | 胡冠华,赵晶亮,张波涛,薛丹丹.基于磁阻传感器的铁磁体探测系统设计[J].传感器世界,2011,17(8):26-29. |
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| 作者姓名： | 胡冠华 赵晶亮 张波涛 薛丹丹 |
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| 作者单位： | 1. 中北大学信息探测与处理技术研究所
2. 中北大学 |
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| 基金项目： | 国防重点实验室基金资助项目(项目编号:9140C1204051010) |
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| 摘 要： | 简要介绍了铁磁体在地磁场中的模型，针对磁异信号的检测，设计了一种基于各项异性磁阻传感器的三轴测试系统。硬件电路主要包括：磁阻传感器、置位／复位电路、信号调理电路、A／D转换电路及控制电路。该系统由Honeywell公司HMC1001和1002组成三轴测量传感器，利用FPGA作为控制器实现对磁异信号的采集。试验结果表明，系统能够对移动目标铁磁体进行有效检测，并可达到较高的检测精度。
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| 关 键 词： | 铁磁体 磁异信号 各向异性磁阻传感器 |
Ferromagnetic detection system based on magnetic resistance sensors |
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| HU Guan-hua,ZHAO Jing-liang,ZHANG Bo-tao,Dan-dan.Ferromagnetic detection system based on magnetic resistance sensors[J].Sensor World,2011,17(8):26-29. |
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| Authors: | HU Guan-hua ZHAO Jing-liang ZHANG Bo-tao Dan-dan |
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| Affiliation: | HU Guan-hua,ZHAO Jing-liang,ZHANG Bo-tao,XUE Dan-dan(State Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051) |
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| Abstract: | The model of ferromagnetic in geomagnetic field is introduced briefly.For the detection of magnetic anomaly,a three-axis test system based on anisotropic magnetoresistive sensors is designed in this paper.The hardware circuits include magnetometer,set/reset pulse circuit,signal conditioning circuit,A/D converting circuit and control circuit.This three-axis measuring sensor system consists of HMC1001 and HMC1002 from Honeywell,and use FPGA as controller for signal acquisition of magnetic anomaly.The tests re... |
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| Keywords: | ferromagnetism magnetic anomaly signal anisotropic magnetoresistive sensor |
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