Using machine learning prediction models for quality control: a case study from the automotive industry

Mohamed Kais Msakni (), Anders Risan () and Peter Schütz ()
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Mohamed Kais Msakni: Norwegian University of Science and Technology
Anders Risan: Norwegian University of Science and Technology
Peter Schütz: Norwegian University of Science and Technology

Computational Management Science, 2023, vol. 20, issue 1, No 14, 28 pages

Abstract: Abstract This paper studies a prediction problem using time series data and machine learning algorithms. The case study is related to the quality control of bumper beams in the automotive industry. These parts are milled during the production process, and the locations of the milled holes are subject to strict tolerance limits. Machine learning models are used to predict the location of milled holes in the next beam. By doing so, tolerance violations are detected at an early stage, and the production flow can be improved. A standard neural network, a long short term memory network (LSTM), and random forest algorithms are implemented and trained with historical data, including a time series of previous product measurements. Experiments indicate that all models have similar predictive capabilities with a slight dominance for the LSTM and random forest. The results show that some holes can be predicted with good quality, and the predictions can be used to improve the quality control process. However, other holes show poor results and support the claim that real data problems are challenged by inappropriate information or a lack of relevant information.

Keywords: Neural network; Random forest; Quality control; Manufacturing; 68T07; 68T09; 62H10 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10287-023-00448-0

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