Inductance-to-digital converters (LDC) based integrative multi-parameter eddy current testing sensors for NDT&E

G Tian, C Yang, X Lu, Z Wang, Z Liang, X Li - NDT & E International, 2023 - Elsevier
Sensors' signal conditioning and digital interface are important for sensor technologies,
digital transformation, and the Internet of Things (IoT) in particular. Frequency output sensors …

In-Line Inspection Methods and Tools for Oil and Gas Pipeline: A Review

J Zhang, M Sun, L Qin, D Lin, C Liu, J Li, C Li… - International Journal of …, 2024 - Elsevier
Corrosion, mechanical damage, cracking, and deformation are the main factors that threaten
pipeline integrity and transportation safety, potentially leading to serious accidents and …

Evaluation of defects depth for metal sheets using 4-coil excitation array eddy current sensor and improved ResNet18 network

S She, T Meng, X Zheng, Y Shao, G Hu… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Lift-off effect, resulting in detection error, which is a significant challenge that needs to be
addressed in defect detection using eddy current testing (ECT). A novel array eddy current …

Inspection of defects depth for stainless-steel sheets using four-coil excitation sensor and deep learning

S She, X Zheng, T Meng, K Yu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The detection of lift-off variation presents a significant challenge in many eddy current testing
(ECT) applications, where it is often considered an undesirable signal. To address this …

Measurement and separation of forces and lift-offs employing an inductance-to-digital converters (LDC)-based orthogonal LC resonance sensor

C Yang, G Tian, Q Ma, M Robinson, X Lu… - NDT & E …, 2024 - Elsevier
Inductor-capacitor (LC) resonance sensors based on the sensing materials' electromagnetic
properties have potential to replace strain gauges for wheel-rail contact force measurement …

Decoupling permeability, conductivity, thickness, lift-off for eddy current testing using machine learning

P Huang, Z Bao, R Huang, J Jia, K Liu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This article proposed a method to simultaneously estimate the permeability, conductivity,
thickness, and lift-off of metallic plates using sweep frequency eddy current measurement …

Novel common-differential inductance coils with dual signal conditionings for separation of lift-off and defects

Q Ma, G Tian, B Gao, M Robinson, C Yang… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Lift-off has a significant impact on defect discrimination and qualification. Estimating lift-off
and evaluating defects is a critical issue for eddy current testing (ECT). In this article, a novel …

[HTML][HTML] Towards Advancing Real-Time Railroad Inspection Using a Directional Eddy Current Probe

M Mussatayev, R Kempka, M Alanesi - Sensors, 2024 - mdpi.com
In the field of railroad safety, the effective detection of surface cracks is critical, necessitating
reliable, high-speed, non-destructive testing (NDT) methods. This study introduces a hybrid …

Numerical investigation to study the influence of thickness and electrical conductivity of metal-sheets on the LOI-Point of a PEC sensor

D Hachi, N Benhadda, A Zaoui… - Nondestructive …, 2024 - Taylor & Francis
The aim of this article is to determine a similar point to the Lift-Off intersection point (LOI)
obtained from a geometric configuration of a Pulsed Eddy Current (PEC) sensor. This …

Research on fatigue crack quantitative monitoring based on eddy current sensor with an interactive induction coil layout

X Fan, Y He, T Chen - Smart Materials and Structures, 2023 - iopscience.iop.org
To reduce the number of sensor channels, this paper proposes an eddy current sensor with
an interactive induction coil layout. First, the crack monitoring principle of the sensor is …