A 1D Magnetoelectric Sensor Array for Magnetic Sketching

被引：29
作者：
Chu, Zhaoqiang [1 ]
Shi, Weiliang [1 ]
Shi, Huaduo [1 ]
Chen, Qingxiao [1 ]
Wang, Lei [1 ]
PourhosseiniAsl, Mohammad Javad [1 ]
Xiao, Chijie [2 ]
Xie, Tianyu [1 ]
Dong, Shuxiang [1 ,3 ]
机构：
[1] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[3] Beijing Key Lab Magnetoeletr Mat & Devices, Beijing 100871, Peoples R China
来源：
ADVANCED MATERIALS TECHNOLOGIES | 2019年 / 4卷 / 03期
基金：
中国国家自然科学基金;
关键词：
imaging; magnetic positioning; magnetic sensors; magnetoelectric;
D O I：
10.1002/admt.201800484
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Although various magnetic sensors have been developed, tiny magnetic object detection is still a challenging issue in some cases, such as capsule position detection, endoscope navigation, and the detection of magnetic devices hidden in/on the human body. In this paper, a magnetic detecting and sketching system utilizing a 1D magnetic sensor array with 56 magnetoelectric (ME) sensing units is proposed. The ME sensors used in this system are based on a (1-1) connectivity Metglas/piezofiber composite operating in the longitudinally magnetized and transversely poled (L-T) mode. Simulation and experiment results show that the proposed magnetic detecting system can not only monitor the 2D position of a running magnetic metal object, but it can also identify its posture and length-diameter ratio. The proposed magnetic detecting method is, therefore, very promising for medical magnetic positioning and security checking.
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页数：9
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