کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
295379 511542 2011 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Assortment of ultrasonic nondestructive evaluation signals using the centroid searching method with the LMS algorithm and SAFT
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Assortment of ultrasonic nondestructive evaluation signals using the centroid searching method with the LMS algorithm and SAFT
چکیده انگلیسی

NDE using ultrasonic signals is a very useful technique for the assessment of solid materials, construction, food, and biomedicine. Among many NDE methods, the ultrasonic inspections may involve the extraction of an appropriate set of features or a neural network for the classification of the signals in the feature space. This paper presents an approach that uses a geometric method and the LMS (Least Mean Square) algorithm to determine the coordinates of the ultrasonic probe followed by the SAFT (Synthetic Aperture Focusing Technique) and centroid searching technique to estimate the location of the ultrasonic reflector. The proposed method is employed to classify ultrasound NDE signals from cracks and deposits within steam generator tubes in a nuclear power plant.


► It uses the LMS algorithm to determine the coordinates of the ultrasonic probe followed by the SAFT.
► It uses a centroid searching technique to estimate the location of the ultrasonic reflector.
► It is employed to classify ultrasound NDE signals from cracks and deposits within steam generator tubes.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: NDT & E International - Volume 44, Issue 8, December 2011, Pages 760–767
نویسندگان
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