A surface defect detection method for metal material using capacitive sensor

KANG Yi-hua; YE Zhi-jian; SUN Yan-hua; LI Dong-lin

doi:10.13873/J.1000-9787(2014)12-0127-03

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A surface defect detection method for metal material using capacitive sensor

更新时间：2025-09-11

- A surface defect detection method for metal material using capacitive sensor
- Vol. 33, Issue 12, Pages: 127-129(2014)
- 作者机构：
  
  华中科技大学数字制造装备与技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2014)12-0127-03
  CLC： TG115;TP212.9
- Published：2014
- 稿件说明：
移动端阅览
[1]康宜华,叶志坚,孙燕华,李冬林.一种电容传感器金属材料表面缺陷检测方法[J].传感器与微系统,2014,33(12):127-129.

KANG Yi-hua, YE Zhi-jian, SUN Yan-hua, et al. A surface defect detection method for metal material using capacitive sensor[J]. 2014, 33(12): 127-129.
[1]康宜华,叶志坚,孙燕华,李冬林.一种电容传感器金属材料表面缺陷检测方法[J].传感器与微系统,2014,33(12):127-129. DOI： 10.13873/J.1000-9787(2014)12-0127-03.

KANG Yi-hua, YE Zhi-jian, SUN Yan-hua, et al. A surface defect detection method for metal material using capacitive sensor[J]. 2014, 33(12): 127-129. DOI： 10.13873/J.1000-9787(2014)12-0127-03.

摘要

基于电容传感器原理

实现了一种简单有效的金属材料表面缺陷检测方法。首先介绍了电容传感器的工作原理

描述了单电极传感器用于检测金属材料表面缺陷时的基本方法

并给出了相应的电路模型。设计了系列实验验证该检测方法的可行性。实验结果表明:电容传感器对金属材料表面缺陷较敏感

通过单片集成电场成像集成器件MC33794能够快速简单实现该检测方法

为金属材料表面缺陷（如腐蚀）提供了一种快速、便捷、有效的检测方法。

Abstract

Propose a simple and effective surface defect detection method for metal material

based on principle of capacitive sensor.Working principle of capacitive sensor is introduced

basic method surface defect detecting of metal material

utilizing single electrode sensor is described and the corresponding circuit model is provided.A series of experiments are designed to verify the feasibility of this method.The experimental results show that capacitive sensor is sensitive to surface defect of metal material

the detection method can be quickly and easily implemented through monolithic integrated electric field imaging integrated device MC33794

which provides a quick

convenient and effective detection method for surface defects（such as corrosion） for metal material.

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references

基于电场感应技术的储罐腐蚀泄漏检测方法的研究 [J]. 台闯,郑丽群,杨永宽,李春树,李涛,王江源,张培俊. 腐蚀科学与防护技术 . 2010(03)

基于电场传感器MC33794的触摸按键设计 [J]. 王秀霞,邵斌. 电子设计工程 . 2009(02)

使用电场传感器MC33794的模拟游戏控制器 [J]. 骆张强,雷航,马俊. 单片机与嵌入式系统应用 . 2006(12)

电容层析成像系统的优化研究 [D]. 潘勇. 天津大学 2005

Studies of the factors influencing the imaging performance of the capacitive imaging technique [J] . Xiaokang Yin,David A Hutchins,Guoming Chen,Wei Li,Zhiqian Xu. NDT and E International . 2013

Detecting surface features on conducting specimens through an insulation layer using a capacitive imaging technique [J] . Xiaokang Yin,David A Hutchins,Guoming Chen,Wei Li. NDT and E International . 2012

Non-destructive evaluation of composite materials using a capacitive imaging technique [J] . X. Yin,D.A. Hutchins. Composites Part B . 2011 (3)

Non-destructive evaluation of concrete using a capacitive imaging technique: Preliminary modelling and experiments [J] . X. Yin,D.A. Hutchins,G.G. Diamond,P. Purnell. Cement and Concrete Research . 2010 (12)

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