李开宇
Personal Homepage
Paper Publications
基于PEC的铁磁性材料缺陷检测特征提取方法研究
Hits:

Affiliation of Author(s):自动化学院

Journal:2017远东无损检测新技术论坛论文集

Key Words:铁磁性材料;脉冲涡流;缺陷检测;归一化;

Abstract:基于PEC的非铁磁性材料缺陷检测技术已经取得了成熟研究成果,但对于铁磁性材料,其铁磁性给缺陷检测带了较多的困难。本文用归一化的方法对实验数据进行处理,提取差分信号的时域特征,分析得出了特征值与铁磁性材料缺陷深度的关系,并将不同特征值进行对比,给出了合适的特征值。实验结果证明,新特征具有较好的灵敏度和稳定性,可以实现铁磁性材料的缺陷深度定量识别。

Translation or Not:no

Date of Publication:2017-06-21

Co-author:高雯娟,刘佳琪,Wang Ping

Correspondence Author:lky

Personal information

Associate Professor
Supervisor of Master's Candidates

Gender:Male

Alma Mater:南京航空航天大学

Education Level:博士毕业

Degree:Doctoral Degree in Engineering

School/Department:College of Automation Engineering

Discipline:Measurement Technology and Instrumentation. Precision Instrument and Machinery

Click:

Open time:..

The Last Update Time:..


Copyright©2018- Nanjing University of Aeronautics and Astronautics·Informationization Department(Informationization Technology Center)

MOBILE Version