RBF-based compensation of velocity effects on MFL signals

被引：11

作者：

Lei, Liangjin ^{[1
]}

Wang, Changlong ^{[1
]}

Ji, Fengzhu ^{[1
]}

Wang, Quanli ^{[1
]}

机构：

[1] Mech Engn Coll, Dept Elect Engn, Hebei Shijiazhuang 050003, Peoples R China

来源：

INSIGHT | 2009年 / 51卷 / 09期

关键词：

magnetic flux leakage; velocity effect; 2-D finite element model; radial basis function; velocity compensation; FLUX LEAKAGE SIGNALS;

D O I：

10.1784/insi.2009.51.9.508

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In the magnetic flux leakage (MFL) non-destructive testing (NDT) technique, the velocity of the inspecting instruments could produce eddy currents during the sensing that might cause the distortion of the MFL signals. In this paper, the distortions of the sensing signals are analysed using a 2-D finite element model with velocity-induced eddy currents, and Radial Basis Function (RBF) neural networks are presented to compensate the velocity effects in order to obtain pure defect signals. This method has been verified by simulation.

引用

页码：508 / 511

页数：4

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