Multifrequency excitation and support vector machine regressor for ECT defect characterization

A Bernieri, G Betta, L Ferrigno… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
Eddy current testing (ECT) has three main tasks: detection, location, and characterization of
defects. The characterization task, which means the ability to find the geometrical …

Present and future impact of magnetic sensors in NDE

HG Ramos, AL Ribeiro - Procedia Engineering, 2014 - Elsevier
Abstract Non Destructive Evaluation (NDE) techniques are widely used in several industries
in order to control product quality or to ensure the integrity of a part. A wide variety of …

Lift-off point of intersection feature in transient eddy-current oscillations method to detect thickness variation in stainless steel

CS Angani, HG Ramos, AL Ribeiro… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Detection of corrosion and measurement of the thickness of stainless steel in industrial
structures, such as pipelines, has been an important issue to avoid unwanted leakages. A …

Model design of a superconducting quantum interference device of magnetic field sensors for magnetocardiography

BI Oladapo, SA Zahedi, SC Chaluvadi… - … signal processing and …, 2018 - Elsevier
In recent years, there has been an increase in the study of magnetocardiography (MCG),
complementary to electrocardiography (ECG) research, with the purpose of increasing …

Stainless steel plate thickness detection using transient eddy current oscillations method

OJR Sudhakar, LP Kumar, PK Raju… - Materials Today …, 2018 - Elsevier
The stainless steel structures such as the pipelines in the large industries like thermal
power, nuclear power, oil natural gas and petro chemical industries play a crucial role to …

Background segmentation to enhance remote field eddy current signals

R Falque, T Vidal-Calleja, JV Miro… - … on Robotics and …, 2014 - opus.lib.uts.edu.au
Pipe condition assessment is critical to avoid breakages. Remote Field Eddy Current
(RFEC) is a commonly used technology to assess the condition of pipes. The nature of this …

Remote Field Eddy Current System Using Three Axis Fluxgate Magnetometer for Corrosion Inspection

M Khater, T Mostafa, G Ooi, M Ozakin… - SPE Annual Technical …, 2022 - onepetro.org
Conventional remote field eddy current tools, which are developed for electromagnetic
detection of corrosion on metallic pipes, use transmitter and receiver coils that are spaced …

Evaluation of interface defects in inaccessible reactor shrink fit nozzle welds using ultrasonic waves

J Lee, Y Cho - Energies, 2017 - mdpi.com
This study proposes an effective method to inspect inaccessible nuclear power reactor head
nozzles using interface waves that propagate along the shrink fit boundary of a reactor head …

SVM classification of thickness and lift-off using transient eddy current oscillation method

CS Angani, HG Ramos, TJ Rocha… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Wall-thinning in stainless steel structures due to corrosion and surface erosion produced by
the harsh operating conditions and by the flowing commodity origins pipeline failures. Thus …

Near-And Remote-Field Eddy Current Data Fusion: Wellbore Casing Inspection with Hybrid Neural Networks

GA Ooi, TM Mostafa, M Khater, MB Ozakin… - Abu Dhabi …, 2022 - onepetro.org
The structural stability of wellbores depends on the concentric steel casings that are lowered
into the wells and cemented in place. Such casings are often subjected to intense forces and …