Real-time Automatic Thickness Recognition Using Pulse Eddy Current with Deep Learning

Tian Meng, Lei Xiong, Xinnan Zheng, Zihan Xia, Xiaofei Liu, Yang Tao, Wuqiang Yang, Wuliang Yin

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

Pulse eddy current (PEC) is one of the key eddy current testing (ECT) techniques and it is widely used in metal industry. Being able to automatically recognize thickness with PEC can make the manufacturing process more efficient and convenient. In this paper, the main contribution is three-fold. Firstly, a novel portable pulse eddy current device is designed, and a new PEC dataset is constructed with a wide variety of features using our device. Secondly, 1-D convolutional-based deep learning models are utilised to achieve automatic thickness recognition with high accuracy. In addition, models are moderately immune to lift-off and edge effects. Lastly, a compact and lightweight 1-D convolutional neural network is deployed on the STM32 microcontroller in our device, and it achieves real-time, accurate and low-latency automatic thickness recognition.
Original languageEnglish
Title of host publication2023 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)9781665453837
ISBN (Print)9781665453844
DOIs
Publication statusPublished - 13 Jul 2023
Event2023 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) - Kuala Lumpur, Malaysia
Duration: 22 May 202325 May 2023

Conference

Conference2023 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)
Period22/05/2325/05/23

Keywords

  • pulse eddy current
  • deep learning
  • embedded system
  • real-time recognition

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