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A probabilistic damage detection approach using vibration-based nondestructive testing
Nondestructive testing Damage detection Vibration test Modal analysis Measurement error Modeling error Bayesian model updating
2012/4/26
With the aim of improving the accuracy of the assessment of existing structures, damage detection using vibration-based nondestructive testing (NDT) has been extensively studied. It has been recognize...
Application of Nondestructive Testing in Cyclic Fatigue Evaluation of Endodontic Ni-Ti Rotary Instruments
Nondestructive testing Nickel-titanium Cyclic fatigue
2009/9/14
The purpose of this study was to investigate the application of nondestructive testing in cyclic fatigue evaluation of endodontic ProFile® nickel-titanium (NiTi) rotary instruments. As-received Pr...
基于粗糙集与支持向量机的禽蛋蛋壳无损检测（Nondestructive Testing of Eggshell Based on Rough Sets and Support Vector Machine基于粗糙集与支持向量机的禽蛋蛋壳无损检测 Nondestructive Testing of Eggshell Based on Rough Sets and Support Vector Machine）
蛋壳 无损检测 支持向量机
2009/5/22
针对当前禽蛋蛋壳无损检测系统存在检测精度不高的问题，提出粗糙集和支持向量机相结合的方法进行分类器的设计。首先，基于粗糙集理论对特征参数集进行属性约简，在约简过程中，利用模糊C均值聚类算法对特征参数进行量化，并基于属性重要性的启发式搜索对条件属性进行约简；然后，在属性约简的基础上完成支持向量机分类器的训练，在训练过程中，通过交叉验证法对分类器模型参数进行了优化。实验结果表明该方法的分类准确率能够达到...