Dynamic thresholding for automated analysis of bobbin probe eddy current data

H. Shekhar, R. Polikar, P. Ramuhalli, X. Liu, M. Das, L. Udpa, S. S. Udpa

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


An automated algorithm is presented for the analysis and classification of eddy current bobbin probe data obtained from nuclear power plant steam generator tubes (SGT). This algorithm attempts to find a balance between the two seemingly conflicting requirements of SGT eddy current data analysis, namely, detecting and identifying as many of the actual defects as possible, whilst limiting the number of false alarms to a minimum. Initial results presented in this paper look very promising.

Original languageEnglish (US)
Pages (from-to)39-46
Number of pages8
JournalInternational Journal of Applied Electromagnetics and Mechanics
Issue number1-4 SPEC
StatePublished - 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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