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A Bayesian Network Method for Quantitative Evaluation of Defects in Multilayered Structures from Eddy Current NDT Signals
المؤلفون المشاركون
Zeng, Fang
Zhang, Wenying
Dong, Jun
Ye, Bo
Qiu, Gefei
Shan, Jieshan
Shu, Hongchun
Cao, Min
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-15، 15ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-03-25
دولة النشر
مصر
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
Accurate evaluation and characterization of defects in multilayered structures from eddy current nondestructive testing (NDT) signals are a difficult inverse problem.
There is scope for improving the current methods used for solving the inverse problem by incorporating information of uncertainty in the inspection process.
Here, we propose to evaluate defects quantitatively from eddy current NDT signals using Bayesian networks (BNs).
BNs are a useful method in handling uncertainty in the inspection process, eventually leading to the more accurate results.
The domain knowledge and the experimental data are used to generate the BN models.
The models are applied to predict the signals corresponding to different defect characteristic parameters or to estimate defect characteristic parameters from eddy current signals in real time.
Finally, the estimation results are analyzed.
Compared to the least squares regression method, BNs are more robust with higher accuracy and have the advantage of being a bidirectional inferential mechanism.
This approach allows results to be obtained in the form of full marginal conditional probability distributions, providing more information on the defect.
The feasibility of BNs presented and discussed in this paper has been validated.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Ye, Bo& Shu, Hongchun& Cao, Min& Zeng, Fang& Qiu, Gefei& Dong, Jun…[et al.]. 2014. A Bayesian Network Method for Quantitative Evaluation of Defects in Multilayered Structures from Eddy Current NDT Signals. Mathematical Problems in Engineering،Vol. 2014, no. 2014, pp.1-15.
https://search.emarefa.net/detail/BIM-469495
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Ye, Bo…[et al.]. A Bayesian Network Method for Quantitative Evaluation of Defects in Multilayered Structures from Eddy Current NDT Signals. Mathematical Problems in Engineering No. 2014 (2014), pp.1-15.
https://search.emarefa.net/detail/BIM-469495
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Ye, Bo& Shu, Hongchun& Cao, Min& Zeng, Fang& Qiu, Gefei& Dong, Jun…[et al.]. A Bayesian Network Method for Quantitative Evaluation of Defects in Multilayered Structures from Eddy Current NDT Signals. Mathematical Problems in Engineering. 2014. Vol. 2014, no. 2014, pp.1-15.
https://search.emarefa.net/detail/BIM-469495
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-469495
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