Multistage Quality Control Using Machine Learning in the Automotive Industry

Multistage Quality Control Using Machine Learning in the Automotive Industry

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Product dimensional variability is a crucial factor in the quality control of complex multistage manufacturing processes, where undetected defects can easily be propagated downstream.The recent advances in information technologies and consequently the increased volume of data that has become readily available provide an excellent opportunity for the development of automated defect detection approaches that are capable of extracting the implicit complex relationships in these multivariate data-rich environments.In this paper, several machine learning classifiers were trained and evaluated on replica beach walk candle varied metrics to predict dimensional defects in a real automotive multistage assembly line.

The line encompasses two automated inspection stages with several human-operated assembly and pre-alignment stages in between.The results show that non-linear models like XGBoost and Random Forests are earthbath facial wipes capable of modelling the complexity of such an environment, achieving a high true positive rate and showing promise for the improvement of existing quality control approaches, enabling defects and deviations to be addressed earlier and thus assist in reducing scrap and repair costs.