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<p>This study investigates the application of advanced deep learning models, particularly transformer-based architectures, to model the basic oxygen furnace (BOF) steelmaking process, with a focus on accurately predicting endpoint temperature. Achieving precise temperature predictions is critical for optimizing process parameters, enhancing product quality, and ensuring energy efficiency in BOF operations. This research represents the first extensive deployment of such models on BOF operational data. We rigorously evaluated five state-of-the-art deep learning models using a comprehensive dataset consisting of over 10,000 samples from a large-scale industrial setting. Among these models, we introduced a novel architecture, TTB-BOFNet, tailored to handle the complexities of industrial-scale BOF data. TTB-BOFNet leverages transformer models enhanced through exploratory data analysis-informed binning to better interpret intricate interactions and generate contextual embeddings. Our novel architecture demonstrated a notable improvement in predictive performance, achieving an 8.81&#xa0;pct improvement in R-squared over XGBoost, a 4.65&#xa0;pct gain over the multi-layer perceptron (MLP) benchmark and a 1.79&#xa0;pct improvement over the TabTransformer model. Additionally, SHapley Additive exPlanations (SHAP) analysis was employed to interpret the TTB-BOFNet model predictions, revealing the effectiveness of both the EDA-informed binning approach and the model’s transformer-based structure in capturing critical features and improving predictive accuracy. These findings underscore the potential of transformer-based deep learning models to optimize complex industrial operations. TTB-BOFNet offers a robust, interpretable, and scalable solution for BOF temperature prediction, paving the way for more adaptive, data-driven decision-making in steel manufacturing.</p>

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Deep Transformers for Analyzing BOF Steelmaking Data

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月16日

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  • Maryam Khaksar Ghalati,
  • Zhou Daniel Hao,
  • Jianbo Zhang,
  • Hongbiao Dong

摘要

This study investigates the application of advanced deep learning models, particularly transformer-based architectures, to model the basic oxygen furnace (BOF) steelmaking process, with a focus on accurately predicting endpoint temperature. Achieving precise temperature predictions is critical for optimizing process parameters, enhancing product quality, and ensuring energy efficiency in BOF operations. This research represents the first extensive deployment of such models on BOF operational data. We rigorously evaluated five state-of-the-art deep learning models using a comprehensive dataset consisting of over 10,000 samples from a large-scale industrial setting. Among these models, we introduced a novel architecture, TTB-BOFNet, tailored to handle the complexities of industrial-scale BOF data. TTB-BOFNet leverages transformer models enhanced through exploratory data analysis-informed binning to better interpret intricate interactions and generate contextual embeddings. Our novel architecture demonstrated a notable improvement in predictive performance, achieving an 8.81 pct improvement in R-squared over XGBoost, a 4.65 pct gain over the multi-layer perceptron (MLP) benchmark and a 1.79 pct improvement over the TabTransformer model. Additionally, SHapley Additive exPlanations (SHAP) analysis was employed to interpret the TTB-BOFNet model predictions, revealing the effectiveness of both the EDA-informed binning approach and the model’s transformer-based structure in capturing critical features and improving predictive accuracy. These findings underscore the potential of transformer-based deep learning models to optimize complex industrial operations. TTB-BOFNet offers a robust, interpretable, and scalable solution for BOF temperature prediction, paving the way for more adaptive, data-driven decision-making in steel manufacturing.