应用科学学报 ›› 2006, Vol. 24 ›› Issue (3): 307-310.

• 论文 • 上一篇    下一篇

共轭方向搜索逼近的裂纹信号定量分析方法

刘美全, 徐章遂, 王建斌   

  1. 军械工程学院电气工程系, 河北石家庄 050003
  • 收稿日期:2004-11-02 修回日期:2005-03-18 出版日期:2006-05-31 发布日期:2006-05-31
  • 作者简介:刘美全,博士生,研究方向:机电系统检测、故障诊断,E-mail:liumqyh@163.com;徐章遂,教授,博导,研究方向:无损检测、故障诊断,E-mail:xzhsui@sohu.com
  • 基金资助:
    国家自然科学基金资助项目(50175109)

Quantitative Analysis for Crack Signals Based on Search Approximation in the Conjugate Direction

LIU Mei-quan, XU Zhang-sui, WANG Jian-bin   

  1. Department of Electrical Engineering, Ordnance Engineering College, Shijiazhuang 050003, China
  • Received:2004-11-02 Revised:2005-03-18 Online:2006-05-31 Published:2006-05-31

摘要: 建立V形裂纹磁荷模型和测量方程,采用共轭方向搜索逼近的优化方法对裂纹进行定量分析,解决了漏磁定量分析中的不适定问题,通过试验证明该算法能够快速收敛于真实解,是一种实现缺陷定量检测有效的无损检测方法.

关键词: 漏磁检测, 定量化, 优化, 循环逼近

Abstract: Magnetic charge model for V-shaped crack and measurement equation are established.The optimization method of search approximation in the conjugate direction on quantitative analysis for crack is adopted.The problem in quantitative analysis for leakage magnetic field is solved.Testing result indicates that this algorithm converges rapidly to real solutions.The algorithm is an effective non-distructive testing method to realize quantitative testing for crack.

Key words: leakage magnetic testing, optimization, cyclic approximation, quantitative

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