焊接生产数据原始信号聚类方法的比较

Selvine G. Mathias, Daniel Grossmann, G. Sequeira
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引用次数: 2

摘要

当今行业的生产数据具有异质结构,这使得分析和得出一些可行的推论变得困难。由于数据的变化模式,无论是标记的还是未标记的,数字的还是分类的,使用生产数据的任何严格的标准或优化程序都是一项艰巨的任务。因此,应用机器学习(ML)算法分析生产数据已成为各行业的基本要求。在本研究中,使用了从焊缝获得的生产数据。应用聚类算法对焊接过程中获得的电流和电压的原始信号进行阵列分析。每个工艺在获取的数据中由一个组号表示,并根据Silhouette Scores和Adjusted Rand's Index等指标给出的结果将一组对应的焊缝划分为最优数量的簇。作为指标的验证,我们使用Davies-Bouldin指数来比较和优化我们的结果。我们得出结论,可以设计一种多聚类技术来描述仅使用电流和电压信号的焊接数据簇。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Comparison of Clustering Measures on Raw Signals of Welding Production Data
Production data from industries today have a heterogeneous structure, which makes it difficult to analyze and derive some viable inferences. Because of the varying pattern of data, whether labeled or unlabeled, numerical or categorical, any strict standard or optimization procedure using production data is a difficult task. Applying machine learning (ML) algorithms to analyze production data has therefore become an essential requirement for industries. In this study, production data obtained from welding seams is used. We analyze raw signals of electrical current and voltage in the form of arrays obtained from welding processes by applying clustering algorithms. Each process is represented by a group number in the procured data and the corresponding welds of a group are divided into optimal number of clusters on the basis of results given by metrics such as Silhouette Scores and Adjusted Rand's Index. As a validation of the metrics, we use Davies-Bouldin Index to compare and optimize our results. We conclude that a multi-clustering technique can be devised to profile clusters of welding data using only current and voltage signals.
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