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Measuring gaps using planar inductive sensors based on calculating mutual inductance
文献类型:期刊
作者:Jiao, Dian[1]  Ni, Liwei[2]  Zhu, Xiaoliang[3]  Zhe, Jiang[4]  Zhao, Ziyu[5]  Lyu, Yaguo[6]  Liu, Zhenxia[7]  
机构:[1]Department of Mechanical engineering, University of Akron, Akron, OH, 44325, United States
[2]Department of Mechanical engineering, University of Akron, Akron, OH, 44325, United States
[3]Department of Mechanical engineering, University of Akron, Akron, OH, 44325, United States
[4]Department of Mechanical engineering, University of Akron, Akron, OH, 44325, United States
[5]School of Power and Energy, Northwestern Polytechnical University, Xi'an, 710072, China
[6]School of Power and Energy, Northwestern Polytechnical University, Xi'an, 710072, China
[7]School of Power and Energy, Northwestern Polytechnical University, Xi'an, 710072, China
通讯作者:Zhe, Jiang(jzhe@uakron.edu)
年:2019
期刊名称:Sensors and Actuators, A: Physical影响因子和分区
卷:295
页码范围:59-69
增刊:正刊
收录情况:EI(20192206991375)  
所属部门:动力与能源学院
人气指数:42
浏览次数:42
摘要:
This paper presents a new method for planar inductive sensor to measure the gap between the sensor and a non-ferrite metallic target. The eddy current on the target plate is modeled as a virtual coil; the inductance change of the planar sensing coil is a result of the mutual inductance of the sensing coils and the virtual coil. We introduce a method to calculate the gap from measured coil inductance by studying the mutual inductance between the sensing coil and the virtual coil. From our analysi ...More
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