通过使用深度神经网络进行表面缺陷分类来控制碳外观组件的质量
Andrea Silenzi1, Vincenzo Castorani2, Selene Tomassini1
1Dipartimento di Ingegneria dell'Informazione, Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy.
Sensors (Basel, Switzerland)
|September 9, 2023
概括
这项研究表明,深度神经网络可以使用常规图像对碳纤维部件的表面缺陷进行分类,达到97%的准确性. 这使得智能工厂能够在没有专门设备的情况下进行质量控制.
科学领域:
- 材料科学 材料科学 材料科学
- 计算机科学 计算机科学
- 制造业 工程 制造工程
背景情况:
- 工业4.0依赖于数据驱动的方法,如机器学习 (ML) 和深度学习 (DL),用于智能工厂.
- 自动质量控制对于制造业的精度和标准化至关重要.
- 现有的方法经常将DL与非破坏性测试 (NDT) 结合起来,需要特定的设置.
研究的目的:
- 研究深度神经网络 (DNN) 的应用,并转移用于表面缺陷分类的学习.
- 评估使用平面图像用于汽车碳纤维部件缺陷检测的可行性.
- 开发一种可复制的自动化质量控制方法.
主要方法:
- 收集了1900张碳纤维增强聚合物 (CFRP) 组件图像的数据集.
- 开发并测试了十个DNN分类器,使用十个预训练的卷积神经网络 (CNN) 作为特征提取器 (例如VGG16,ResNet,DenseNet121).
- 评估的二进制 (缺陷/无缺陷) 和多类 (无缺陷,可恢复,不可恢复) 分类性能.
主要成果:
- 基于DenseNet121的分类器在多类缺陷分类中实现了97%的准确性.
- 该方法在不同的条件下成功地对智能手机图像中的缺陷进行了分类.
- 不需要专门的设置或NDT设备.
结论:
- 深度神经网络和转移学习对于使用标准图像对CFRP组件的表面缺陷进行分类是可行的.
- 拟议的方法为汽车行业的自动化质量控制提供了具有成本效益和可重复性的解决方案.
- 开放访问的数据和代码有助于进一步的研究和工业应用.
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