Research on excitation modes for planar capacitive sensor array

WANG Ting1; FAN Wen-ru1; HAO Kui-hong1; WANG Hua-xiang2

doi:10.13873/j.1000-97872012.09.038

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Research on excitation modes for planar capacitive sensor array

更新时间：2025-09-11

- Research on excitation modes for planar capacitive sensor array
- Vol. 31, Issue 9, Pages: 71-74(2012)
- 作者机构：
  
  1. 中国民航大学航空自动化学院
  2. 天津大学电气与自动化工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.09.038
  CLC： TP212
- Published：2012
- 稿件说明：
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[1]王挺,范文茹,郝魁红,王化祥.平面式电容传感器阵列激励模式研究[J].传感器与微系统,2012,31(09):71-74.

WANG Ting1, FAN Wen-ru1, HAO Kui-hong1, et al. Research on excitation modes for planar capacitive sensor array[J]. 2012, 31(9): 71-74.
[1]王挺,范文茹,郝魁红,王化祥.平面式电容传感器阵列激励模式研究[J].传感器与微系统,2012,31(09):71-74. DOI： 10.13873/j.1000-97872012.09.038.

WANG Ting1, FAN Wen-ru1, HAO Kui-hong1, et al. Research on excitation modes for planar capacitive sensor array[J]. 2012, 31(9): 71-74. DOI： 10.13873/j.1000-97872012.09.038.

摘要

由于非金属复合材料及其内部不同损伤具有不同介电特性

采用平面式电容传感器阵列可实现无损可视化检测。针对平面式阵列电极结构

研究不同激励模式对复合材料内部缺陷检测效果影响。提出单激励、双激励和奇偶激励3种激励模式

对比分析各种激励模式下传感器信号强度、探测深度等性能差异。结果表明:奇偶激励模式在信号测量和成像质量方面都优于前2种模式。同时也验证了基于电容敏感机理的平面电容传感器阵列对复合材料内部缺陷检测的可行性和有效性。

Abstract

Because of the different dielectric properties of the nonmetal composite material and its internal damages

a planar capacitive sensor array can be used to achieve visual non-destructive testing.The influence of different excitation modes on testing effect of the internal defects of the composite

aiming at the planar array electrode structure is studied.Three kinds of excitation mode

single

dual and parity excitation are proposed.And their performance differences such as signal strength and detecting depth are analyzed.Compared with single and dual excitation

the results show that signal measurement and imaging quality of the parity excitation are better than the others.The feasibility and effectiveness of planar capacitive sensor array based on capacitance sensitive principle for internal defect detection of composite material are also verified.

关键词

Keywords

references

新一代大型客机复合材料结构 [J]. 杨乃宾. 航空学报 . 2008(03)

用于电容层析成像技术的共轭梯度算法 [J]. 王化祥,朱学明,张立峰. 天津大学学报 . 2005(01)

相邻电容传感器设计及ECT技术研究 [D]. 李楠. 西安电子科技大学 2010

基于ANSYS的ECT/ERT电磁场仿真及阵列电极优化设计 [D]. 问雪宁. 天津大学 2007

Design of a security screening system with a capacitance sensor matrix operating in single-electrode mode [J] . Dixiang Chen,Xiaohui Hu,Wuqiang Yang. Measurement Science and Technology . 2011 (11)

Intelligent signal processing for damage detection in composite materials [J] . W.J. Staszewski. Composites Science and Technology . 2002 (7)

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