Eddy Current Measurement for Planar Structures

Eddy current (EC) testing has become one of the most common techniques for measuring metallic planar structures in various industrial scenarios such as infrastructures, automotive, manufacturing, and chemical engineering. There has been significant progress in measuring the geometry, electromagnetic...

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Main Authors: Zihan Xia, Ruochen Huang, Ziqi Chen, Kuohai Yu, Zhijie Zhang, Jorge Ricardo Salas-Avila, Wuliang Yin
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/22/8695
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author Zihan Xia
Ruochen Huang
Ziqi Chen
Kuohai Yu
Zhijie Zhang
Jorge Ricardo Salas-Avila
Wuliang Yin
author_facet Zihan Xia
Ruochen Huang
Ziqi Chen
Kuohai Yu
Zhijie Zhang
Jorge Ricardo Salas-Avila
Wuliang Yin
author_sort Zihan Xia
collection DOAJ
description Eddy current (EC) testing has become one of the most common techniques for measuring metallic planar structures in various industrial scenarios such as infrastructures, automotive, manufacturing, and chemical engineering. There has been significant progress in measuring the geometry, electromagnetic properties, and defects of metallic planar structures based on electromagnetic principles. In this review, we summarize recent developments in EC computational models, systems, algorithms, and measurement approaches for planar structures. First, the computational models including analytical models, numerical methods, and plate property estimation algorithms are introduced. Subsequently, the impedance measurement system and probes are presented. In plate measurements, sensor signals are sensitive to probe lift-off, and various algorithms for reducing the lift-off effect are reviewed. These approaches can be used for measureing thickness and electromagnetic properties. Furthermore, defect detection for metallic plates is also discussed.
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spelling doaj.art-e911285881c84769b9e60b0c713681c22023-11-24T09:54:16ZengMDPI AGSensors1424-82202022-11-012222869510.3390/s22228695Eddy Current Measurement for Planar StructuresZihan Xia0Ruochen Huang1Ziqi Chen2Kuohai Yu3Zhijie Zhang4Jorge Ricardo Salas-Avila5Wuliang Yin6School of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL, UKCollege of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, ChinaSchool of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL, UKSchool of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL, UKSchool of Instrument and Electronics, North University of China, Taiyuan 030051, ChinaMAIERIC Ltd., Manchester M15 6SZ, UKSchool of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL, UKEddy current (EC) testing has become one of the most common techniques for measuring metallic planar structures in various industrial scenarios such as infrastructures, automotive, manufacturing, and chemical engineering. There has been significant progress in measuring the geometry, electromagnetic properties, and defects of metallic planar structures based on electromagnetic principles. In this review, we summarize recent developments in EC computational models, systems, algorithms, and measurement approaches for planar structures. First, the computational models including analytical models, numerical methods, and plate property estimation algorithms are introduced. Subsequently, the impedance measurement system and probes are presented. In plate measurements, sensor signals are sensitive to probe lift-off, and various algorithms for reducing the lift-off effect are reviewed. These approaches can be used for measureing thickness and electromagnetic properties. Furthermore, defect detection for metallic plates is also discussed.https://www.mdpi.com/1424-8220/22/22/8695eddy current testingelectromagnetic inductionplanar structuretheoretical calculationmeasurement
spellingShingle Zihan Xia
Ruochen Huang
Ziqi Chen
Kuohai Yu
Zhijie Zhang
Jorge Ricardo Salas-Avila
Wuliang Yin
Eddy Current Measurement for Planar Structures
Sensors
eddy current testing
electromagnetic induction
planar structure
theoretical calculation
measurement
title Eddy Current Measurement for Planar Structures
title_full Eddy Current Measurement for Planar Structures
title_fullStr Eddy Current Measurement for Planar Structures
title_full_unstemmed Eddy Current Measurement for Planar Structures
title_short Eddy Current Measurement for Planar Structures
title_sort eddy current measurement for planar structures
topic eddy current testing
electromagnetic induction
planar structure
theoretical calculation
measurement
url https://www.mdpi.com/1424-8220/22/22/8695
work_keys_str_mv AT zihanxia eddycurrentmeasurementforplanarstructures
AT ruochenhuang eddycurrentmeasurementforplanarstructures
AT ziqichen eddycurrentmeasurementforplanarstructures
AT kuohaiyu eddycurrentmeasurementforplanarstructures
AT zhijiezhang eddycurrentmeasurementforplanarstructures
AT jorgericardosalasavila eddycurrentmeasurementforplanarstructures
AT wuliangyin eddycurrentmeasurementforplanarstructures