| 有限元方法在涡流传感器设计中的应用 |
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| 引用本文： | 孙朝明,徐彦霖,刘宝. 有限元方法在涡流传感器设计中的应用[J]. 传感器与微系统, 2005, 24(10): 80-82,85 |
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| 作者姓名： | 孙朝明 徐彦霖 刘宝 |
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| 作者单位： | 中国工程物理研究院,机械制造工艺研究所,四川,绵阳,621900 |
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| 基金项目： | 中国工程物理研究院基金 |
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| 摘 要： | 为满足特定的涡流检测要求,须进行涡流传感器设计与分析。在解析型设计的基础上,分析了有限元方法用于涡流传感器设计的正确性。实现了不同状态下单个线圈的阻抗计算,并对差分线圈的检测应用进行了分析。最后,应用三维模型,计算出了线圈的阻抗,可用于特殊结构传感器设计的数值分析。
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| 关 键 词： | 涡流检测 有限元方法 传感器 |
| 文章编号： | 1000-9787（2005）10-0080-03 |
| 收稿时间： | 2005-03-21 |
| 修稿时间： | 2005-03-21 |
Application of finite element method in design of eddy current sensor |
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| SUN Chao-ming,XU Yan-lin,LIU Bao. Application of finite element method in design of eddy current sensor[J]. Transducer and Microsystem Technology, 2005, 24(10): 80-82,85 |
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| Authors: | SUN Chao-ming XU Yan-lin LIU Bao |
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| Abstract: | The eddy current sensor must be designed and evaluated so as to meet the requirement of special eddy current test.On the basis of analytical calculation,finite element method(FEM) is evaluated to be effective in design of sensor.The impedance calculation for single coil under different conditions is carried out,and differential coils are also tested and analyzed.Finally,3D model is successfully applied in calculation of the coil's impedance,which can also be applied in numerical analysis for design of special eddy current sensor. |
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| Keywords: | eddy current test finite element method(FEM) sensor |
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