Predictive modeling in a steelmaking process using optimized relevance vector regression and support vector regression

Simone Massulini Acosta (), Anderson Levati Amoroso (), Ângelo Márcio Oliveira Sant’Anna () and Osiris Canciglieri Junior ()
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Simone Massulini Acosta: Federal University of Technology of Paraná
Anderson Levati Amoroso: Federal University of Technology of Paraná
Ângelo Márcio Oliveira Sant’Anna: Federal University of Bahia
Osiris Canciglieri Junior: Pontifical Catholic University of Paraná

Annals of Operations Research, 2022, vol. 316, issue 2, No 9, 905-926

Abstract: Abstract The existence of contaminants in metal alloys products is the main problem affecting the product quality, which is an important requirement for competitiveness in industries. This paper proposes the application of a relevance vector machine for regression (RVR) and a support vector machine for regression (SVR) optimized by a self-adaptive differential evolution algorithm for regression to model the phosphorus concentration levels in a steelmaking process based on actual data. In general, the appropriate choice of learning hyperparameters is a crucial step in obtaining a well-tuned RVM and SVM. To address this issue, we apply a self-adaptive differential evolution algorithm, which is an evolutionary algorithm for global optimization. We compare the performance of the RVR and SVR models with the ridge regression, multiple linear regression, model trees, artificial neural network, and random vector functional link neural network models. RVR and SVR models have smaller RMSE values and better performance than the other models. Our study indicates that the RVR and SVR models are adequate tools for predicting the phosphorus concentration levels in the steelmaking process.

Keywords: Relevance vector regression; Support vector regression; Differential evolution; Process modeling; Steelmaking process (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10479-021-04053-9

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