Approach to identify product and process state drivers in manufacturing systems using supervised machine learning
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Other Titles: | Ansatz zu Identifikation von relevanten Produkt- und Prozessparametern in Produktionssystemen durch den Einsatz von überwachtem maschinellen Lernen | Authors: | Wuest, Thorsten | Supervisor: | Thoben, Klaus-Dieter | 1. Expert: | Thoben, Klaus-Dieter | Experts: | Irgens, Christopher | Abstract: | The developed concept allows identifying relevant state drivers of complex, multi-stage manufacturing systems holistically. It is able to utilize complex, diverse and high-dimensional data sets which often occur in manufacturing applications and integrate the important process intra- and inter-relations. The evaluation was conducted by using three different scenarios from distinctive manufacturing domains (aviation, chemical and semiconductor). The evaluation confirmed that it is possible to incorporate implicit process intra- and inter-relations on process as well as programme level through applying SVM based feature ranking. The analysis outcome presents a direct benefit for practitioners in form of the most important process parameters and state characteristics, so-called state drivers, of a manufacturing system. Given the increasing availability of data and information, this selection support can be directly utilized in, e.g., quality monitoring and advanced process control. |
Keywords: | Manufacturing Systems; Manufacturing Processes; Product State; Accumulating State Vector; Quality; Machine Learning; Feature Selection; Holistic Data and Information Management | Issue Date: | 24-Nov-2014 | Type: | Dissertation | Secondary publication: | no | URN: | urn:nbn:de:gbv:46-00104199-11 | Institution: | Universität Bremen | Faculty: | Fachbereich 04: Produktionstechnik, Maschinenbau & Verfahrenstechnik (FB 04) |
Appears in Collections: | Dissertationen |
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