Smart Structures and Systems

  • 제19권2호
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  • Pages.195-202
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  • 2017
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Calculus of the defect severity with EMATs by analysing the attenuation curves of the guided waves

  • Gomez, Carlos Q. (Ingenium Research Group, Castilla-La Mancha University) ;
  • Garcia, Fausto P. (Ingenium Research Group, Castilla-La Mancha University) ;
  • Arcos, Alfredo (Ingenium Research Group, Castilla-La Mancha University) ;
  • Cheng, Liang (Brunel Innovation Centre, Brunel University) ;
  • Kogia, Maria (Brunel Innovation Centre, Brunel University) ;
  • Papelias, Mayorkinos (School of Metallurgy and Materials, University of Birmingham)
  • 투고 : 2016.02.23
  • 심사 : 2016.12.16
  • 발행 : 2017.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

The aim of this paper is to develop a novel method to determine the severity of a damage in a thin plate. This paper presents a novel fault detection and diagnosis approach employing a new electromagnetic acoustic transducer, called EMAT, together with a complex signal processing method. The method consists in the recognition of a fault that exists within the structure, the fault location, i.e. the identification of the geometric position of damage, and the determining the significance of the damage, which indicates the importance or severity of the defect. The main scientific novelties presented in this paper is: to develop of a new type of electromagnetic acoustic transducer; to incorporate wavelet transforms for signal representation enhancements; to investigate multi-parametric analysis for noise identification and defect classification; to study attenuation curves properties for defect localization improvement; flaw sizing and location algorithm development.

키워드

참고문헌

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