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Journal of Applied Sciences ›› 2006, Vol. 24 ›› Issue (3): 307-310.

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

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

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

Abstract

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

CLC Number:

TG115.28

LIU Mei-quan, XU Zhang-sui, WANG Jian-bin. Quantitative Analysis for Crack Signals Based on Search Approximation in the Conjugate Direction[J]. Journal of Applied Sciences, 2006, 24(3): 307-310.

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

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