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All Journal R.E.M (Rekyasa Energi Manufaktur) Jurnal
Muhamad Iqbal Syachjaya Syachjaya
Magister Energi Universitas Diponegoro
Engineering

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Machine Learning-Based Modeling of Boiler Efficiency: Impact Analysis of Operational Variables Using Random Forest, XGBoost, and ANN Muhamad Iqbal Syachjaya Syachjaya; Heri Sutanto; Marcelinus Christwardana; Subhan Hasisi; Napolin Niuhardson Siregar
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 11 No 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v11i1.1833

Abstract

Enhancing Circulating Fluidized Bed (CFB) boiler efficiency is a critical objective in industrial energy management, often hampered by the intricate, non-linear dynamics of operational parameters. This study evaluates and benchmarks three machine learning architectures—Random Forest (RF), XGBoost, and Artificial Neural Network (ANN) to develop a robust predictive model for boiler thermal efficiency using historical industrial telemetry. The analysis utilizes six key operational variables, including Air-Fuel Ratio (AFR) and Bed Temperature, for model training and cross-validation. Empirical results demonstrate that XGBoost serves as the most effective predictive framework, achieving a Coefficient of Determination ( ) of 0.495 and a Root Mean Square Error (RMSE) of 0.040, thereby outperforming RF and ANN in capturing industrial data noise through its sequential optimization and regularization mechanisms. A primary finding identifies AFR as the most influential factor, exhibiting a strong positive correlation (0.84) and consistent top-tier feature importance rankings across all paradigms. This research provides a validated data-driven methodology for real-time boiler optimization, emphasizing stoichiometric synchronization as the paramount strategy for improving thermal performance and minimizing fuel-related operational expenditures.
Co-Authors Heri Sutanto Marcelinus Christwardana Napolin Niuhardson Siregar Subhan Hasisi