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采用平面阵列线圈检测铝制试件表面裂纹的研究

发表时间:2014-03-31  浏览量:1689  下载量:545
全部作者: 曾卫琴,张卫民,杨秀江,陈至尧
作者单位: 北京理工大学机械与车辆学院
摘 要: 研制了一种平面阵列线圈传感器,并设计了相应的检测装置。通过仿真分析,证明该阵列线圈检测铝板裂纹的可行性;对铝板表面的预制裂纹进行检测实验,采集了多组实验数据,并利用梯度分析、小波变换等方法进行数据处理。实验结果表明:该方法能够满足检测实际需求,对裂纹具有较高的灵敏度。
关 键 词: 传感器技术;平面阵列线圈;铝制试件;表面裂纹;鉴幅电路;梯度
Title: Study on surface crack detection of aluminum using planar array coils
Author: ZENG Weiqin, ZHANG Weimin, YANG Xiujiang, CHEN Zhiyao
Organization: School of Mechanical Engineering, Beijing Institute of Technology
Abstract: This paper developed a planar array coil sensor and designed the corresponding test device. The feasibility of crack detection of aluminum plate using the array coils was proved through the simulation analysis. Based on the detection experiments of the pre-cracks on the aluminum plate, multiple sets of experimental data were collected. The variety of methods such as gradient analysis and wavelet transform were used to process the data . The experimental results showed that the method could meet the actual needs of detection and it had high sensitivity to the cracks.
Key words: sensor technology; planar array coil; aluminum specimen; surface crack; amplitude discriminator circuit; gradient
发表期数: 2014年3月第6期
引用格式: 曾卫琴,张卫民,杨秀江,等. 采用平面阵列线圈检测铝制试件表面裂纹的研究[J]. 中国科技论文在线精品论文,2014,7(6):610-614.
 
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