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http://dx.doi.org/10.15207/JKCS.2020.11.11.249

A New Method of Health Monitoring for Press Processing Using AE Sensor  

Jeong, Soeng-Min (Department of Future Convergence Engineering, Kongju National University)
Kim, JunYoung (Department of Future Convergence Engineering, Kongju National University)
Jeon, Kyung Ho (Department of Future Convergence Engineering, Kongju National University)
Hong, SeokMoo (Division of Mechanical & Automotive Engineering, Kongju National University)
Oh, Jong-Seok (Division of Mechanical & Automotive Engineering, Kongju National University)
Publication Information
Journal of the Korea Convergence Society / v.11, no.11, 2020 , pp. 249-255 More about this Journal
Abstract
This study developed the health monitoring method of press process using the acoustic emission (AE) sensor and high-pass filter. Also, the AE parameters such as ring-down count and peak amplitude are used. Based on this AE signal, the AE parameters were acquired and was utilized to detect the crack of the specimen. Since the defect detection is difficult due to noise and low magnitude of signal, the signal noise and press operation frequency were checked through the Short Time Fourier Transform(STFT) and damped. High-pass Filtering data was applied to AE parameters to select effective parameters. By using this signal processing techniques, the proposed AE parameters could improve the performance of defect detection in the press process.
Keywords
Acoustic Emission; Press Processing; Defect Detection; AE Parameter; High-Pass Filter;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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