Results 11 to 20 of about 61,058 (296)

Quantitative evaluation of eddy current distribution by relative entropy and cross entropy

open access: yesMeasurement + Control, 2021
Koch curve exciting coil of an eddy current probe can adjust the eddy current distributing in more directions at a small domain to enhance the sensitivity of eddy current probe for short defect detection.
Guolong Chen, Zheng Cao
doaj   +1 more source

A novel deep penetrating eddy current probe based on phase shifted fields and its application to inspection of defects

open access: yesMetrology and Measurement Systems, 2020
Due to the skin effect of eddy currents, the depth of cracks which can be detected by the traditional eddy current probe is very limited. In order to improve the ability of eddy current probes to inspect deep cracks in metal thick-walled structures, a ...
Meixian Wu   +2 more
doaj   +1 more source

Simulation and experimental study on ECT of circumferential cracks in small-diameter tubes

open access: yesAIP Advances, 2023
Circumferential crack detection of small diameter tubes is a difficult problem to solve in eddy current testing. The three-dimensional simulation model is established through electromagnetic field simulation software to analyze the eddy current field ...
Zun Yin   +6 more
doaj   +1 more source

Research on the Influence of Geometric Structure Parameters of Eddy Current Testing Probe on Sensor Resolution

open access: yesSensors, 2023
To study the influence of the geometric structure of the probe coil on the electromagnetic characteristics of the eddy current probe in the process of eddy current testing, based on the principle of eddy current testing, different probe coil models were ...
Mengmeng Song   +3 more
doaj   +1 more source

Array eddy current nondestructive testing system based on ZYNQ

open access: yesDianzi Jishu Yingyong, 2023
The array eddy current detection of cylindrical metal specimen can be completed by several probes composed of array coils arranged around the specimen. The array eddy current probe is composed of exactly eight coils and completes the detection of metal ...
Jiang Qingsong, Zhang Zhijie
doaj   +1 more source

Tilt-shift eddy current probe impact on information value of response signal

open access: yesArchives of Electrical Engineering, 2016
This article deals with the possibility for increasing of the informational value of a response signal using tilt-shift eddy current probe. Numerical simulations based on the FEM method using the OPERA 3D software as well as gained experimental results ...
Chudacik Vladimir, Smetana Milan
doaj   +1 more source

The interaction efficiency evaluation between defect and eddy current induced by different exciting coils of planar eddy current probe

open access: yesMeasurement + Control, 2020
This paper presents a quantitative evaluation index efficiency of eddy current and defect interaction to evaluate the eddy current distribution induced by different planar eddy current probe.
Jianhua Li   +4 more
doaj   +1 more source

Eddy current modelling using multi-layer perceptron neural networks for detecting surface cracks [PDF]

open access: yesFracture and Structural Integrity, 2018
A new method for computing fracture mechanics parameters using computational Eddy Current Modelling by Multi-layer Perceptron Neural Networks for detecting surface cracks. The method is based upon an inverse problem using an Artificial Neural Network (ANN)
Salaheddine Harzallah   +3 more
doaj   +2 more sources

DEVELOPMENT OF EXCITATION STRUCTURE RBF-METAMODELS OF MOVING CONCENTRIC EDDY CURRENT PROBE

open access: yesElectrical engineering & Electromechanics, 2019
Introduction. The work is devoted to metamodels creation of surface circular concentric eddy current probe. Formulation of the problem. In the problem of surface circular concentric eddy current probe synthesis in the general formulation, apriori given ...
V. Ya. Halchenko   +2 more
doaj   +1 more source

Challenges in improving the performance of eddy current testing: Review

open access: yesMeasurement + Control, 2019
Eddy current testing plays an important role in numerous industries, particularly in material coating, nuclear and oil and gas. However, the eddy current testing technique still needs to focus on the details of probe structure and its application.
Ahmed N AbdAlla   +5 more
doaj   +1 more source

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