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- Title
RBF-based compensation of velocity effects on MFL signals.
- Authors
Liangjin Lei; Changlong Wang; Fengzhu Ji; Quanli Wang
- Abstract
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.
- Subjects
MAGNETIC flux; NONDESTRUCTIVE testing; EDDY currents (Electric); ELECTRIC leakage; ARTIFICIAL neural networks; FINITE element method; COMPUTER simulation
- Publication
Insight: Non-Destructive Testing & Condition Monitoring, 2009, Vol 51, Issue 9, p508
- ISSN
1354-2575
- Publication type
Article
- DOI
10.1784/insi.2009.51.9.508