| 基于巨磁阻抗效应磁场测量传感器研究 |
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| 引用本文： | 解伟男,梁慧敏. 基于巨磁阻抗效应磁场测量传感器研究[J]. 哈尔滨工业大学学报, 2011, 43(8): 109-112,123 |
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| 作者姓名： | 解伟男 梁慧敏 |
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| 作者单位： | 哈尔滨工业大学空间控制与惯性技术研究中心;哈尔滨工业大学电气工程及自动化学院; |
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| 基金项目： | 中国博士后科学基金资助项目(20090460908) |
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| 摘 要： | 针对非晶材料巨磁阻抗效应,设计并实现了一种新型磁场测量传感器,根据非晶丝的双峰特性,分析传感器的工作原理,设计传感器的闭环负反馈结构,建立了传感器的数学模型.在此基础上,通过分析传感器的误差传递函数,提出一种比例积分控制规律,可有效地消除传感器的稳态误差,提高传感器的线性度.实验结果表明：在该控制器的作用下,传感器的线...
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| 关 键 词： | 磁传感器 巨磁阻抗效应 非晶丝 |
Research of magnetic sensor based on GMI effect |
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| XIE Wei-nan and LIANG Hui-min. Research of magnetic sensor based on GMI effect[J]. Journal of Harbin Institute of Technology, 2011, 43(8): 109-112,123 |
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| Authors: | XIE Wei-nan and LIANG Hui-min |
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| Affiliation: | XIE Wei-nan 1,LIANG Hui-min2(1.Space Control and Inertial Technology Research Center,Harbin Institute of Technology,150080 Harbin,China,2.School of Electrical Engineering and Automation,150001 Harbin,China) |
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| Abstract: | Based on the giant magneto-impedance principle of amorphous materials,a novel magnetic sensor is presented and developed.According to double peaks feature of the amorphous,the working principle is ana-lyzed.The sensor structure with closed loop negative feedback is designed,and the mathematical model of the sensor is deduced.By analyzing the error transfer function of the sensor,PI controller is proposed,which can e-liminate the steady state error and improve the linearity.The experimental results show that... |
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| Keywords: | magnetic sensor giant magneto-impedance effect amorphous |
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