Intelligent Quantification of Metal Defects in Storage Tanks Based on Machine Learning

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
Chao Ding, Yuanyuan He, Donglin Tang, Yamei Li, Pingjie Wang, Yunliang Zhao, Sheng Rao, Chao Qin
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Abstract

Wall-climbing robot are seeing increasing adoption to automated remote and in situ inspection of industrial assets, removing the need for hazardous manned access. The ultrasonic dry-coupling detection device installed on the wall-climbing robot detects the defects of the tank wall. Aiming at the difficulty that the ultrasonic A-scan signal obtained by the ultrasonic dry-coupling detection method has waveform cross-aliasing, which makes it difficult to obtain effective information in traditional feature extraction, Herein, we combine the fast Fourier transform, wavelet packet decomposition and empirical mode decomposition techniques to propose a 3D-SFE method performs multi-scale feature extraction on dry coupled signals. At the same time, in view of the difficulty that traditional nondestructive testing models cannot quantify the defect area accurately, we introduce the XGBoost model to better quantify the defect area. Our proposed defect area quantification model based on multi-scale feature extraction achieves 99.9% accuracy on the training set and 81.5% on the test set. Furthermore, we also analyzed the influence of defect characteristics, sample number, defect shape and depth on the model, and then provided certain guiding significance for the detection of tank defects.

Abstract Image

Abstract Image

基于机器学习的储罐金属缺陷智能量化技术
摘要爬壁机器人越来越多地被用于工业资产的自动远程和现场检测,无需危险的人工进入。爬壁机器人上安装的超声波干耦合检测装置可检测罐壁的缺陷。针对超声干耦合检测方法获得的超声 A-scan 信号存在波形交叉混叠,传统特征提取难以获取有效信息的难题,我们结合快速傅里叶变换、小波包分解和经验模态分解技术,提出了一种对干耦合信号进行多尺度特征提取的 3D-SFE 方法。同时,针对传统无损检测模型无法准确量化缺陷面积的难题,我们引入了 XGBoost 模型来更好地量化缺陷面积。我们提出的基于多尺度特征提取的缺陷面积量化模型在训练集上的准确率达到 99.9%,在测试集上的准确率达到 81.5%。此外,我们还分析了缺陷特征、样本数量、缺陷形状和深度对模型的影响,为坦克缺陷检测提供了一定的指导意义。
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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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