Electromagnetic simulation and analysis for coil of eddy current proximity sensors

LUO Cheng-gang

doi:10.13873/j.1000-97872008.03.031

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Electromagnetic simulation and analysis for coil of eddy current proximity sensors

更新时间：2025-09-11

- Electromagnetic simulation and analysis for coil of eddy current proximity sensors
- Issue 3, Pages: 24-26(2008)
- 作者机构：
  
  中国工程物理研究院结构力学研究所,四川,绵阳,621900
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872008.03.031
  CLC： TP212
- Published：2008
- 稿件说明：
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[1]罗承刚.电涡流位移传感器线圈电磁场仿真分析[J].传感器与微系统,2008(03):24-26.

LUO Cheng-gang. Electromagnetic simulation and analysis for coil of eddy current proximity sensors[J]. 2008, (3): 24-26.
[1]罗承刚.电涡流位移传感器线圈电磁场仿真分析[J].传感器与微系统,2008(03):24-26. DOI： 10.13873/j.1000-97872008.03.031.

LUO Cheng-gang. Electromagnetic simulation and analysis for coil of eddy current proximity sensors[J]. 2008, (3): 24-26. DOI： 10.13873/j.1000-97872008.03.031.

摘要

由于电涡流传感器的探头参数对其性能的影响比较显著

设计电涡流传感器的关键在于对探头线圈进行优化。采用有限元技术（AnsoftM axwell软件）对包括线圈和金属靶板的电涡流位移传感器进行电磁场数值仿真

得到了激励线圈的磁力线和被测靶板中电涡流的密度分布。并通过线圈等效阻抗的实验与计算结果定量比较

验证了仿真分析过程的正确性

为进一步完善传感器的理论分析和优化设计打下了基础。

Abstract

Parametric changes of eddy current sensors have significant influence on its performances

so the key for design of the sensors is to optimize probe coils.Electromagnetic numerical simulation for eddy current proximity sensors including coil and metallic target is finished with finite element analysis software Ansoft Maxwell.Magnetic lines from excitation coil and eddy current density distribution in target are calculated.Experimental result and simulating result of coil impedance are compared quantitatively

and the accurateness of simulation process is verified

so it will contribute to further perfect theoretical analysis and optimal design for eddy current sensors.

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references

基于三维有限元的电涡流传感器参数的仿真研究 [J]. 周丹丽,赵辉,刘伟文,洪海涛. 计算机测量与控制 . 2005(06)

涡流检测渗碳层深度的感应电压计算 [J]. 程晓敏,方华斌,陈铁群. 武汉理工大学学报(信息与管理工程版) . 2003(02)

电涡流检测系统中的电磁场仿真 [J]. 蒋齐密,张新访,刘土光,周济. 计算机仿真 . 2000(05)

螺管结构线圈涡流场及高频阻抗的数值分析 [J]. 陈为,罗恒廉,张冠生. 电工电能新技术 . 1998(02)

电磁无损检测与数值计算——第二讲漏磁检测中的有限元分析 [J]. 司家屯,曲民兴. 无损检测 . 1994(05)

电磁场有限元方法[M]. 西安电子科技大学出版社 , (美)金建铭著, 1998

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