Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
Papers
Identification of Crack Profiles using Database and Greedy Search Inverse Analysis Arising in Eddy Current Testing
Thanh-Duong NguyenFumio Kojima
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2010 Volume 23 Issue 4 Pages 74-82

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Abstract

This paper is concerned with an optimization method to recover crack profiles from measurement signals obtained by eddy current testing. This inversion technique uses Greedy search algorithm to find the optimum of least-square error between measurement signals and simulation data. In creating simulation data, a database called ECT database is used. This database is constructed as a set of parameters-to-output mapping data, by using hybrid FEM-BEM simulator derived from Maxwell’s equations. Numerical experimental results show the effectiveness and feasibility of this method.

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© 2010 The Institute of Systems, Control and Information Engineers
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