Energy Modeling of a Refiner in Thermo-Mechanical Pulping Process Using ANFIS Method

Behnam Talebjedi, Ali Khosravi, Timo Laukkanen, Henrik Holmberg, Esa Vakkilainen and Sanna Syri
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Behnam Talebjedi: Department of Mechanical Engineering, School of Engineering, Aalto University, 14400 Espoo, Finland
Ali Khosravi: Department of Mechanical Engineering, School of Engineering, Aalto University, 14400 Espoo, Finland
Timo Laukkanen: Department of Mechanical Engineering, School of Engineering, Aalto University, 14400 Espoo, Finland
Henrik Holmberg: Department of Mechanical Engineering, School of Engineering, Aalto University, 14400 Espoo, Finland
Esa Vakkilainen: Department of Energy, Lappeenranta University of Technology, 95992 Lappeenranta, Finland
Sanna Syri: Department of Mechanical Engineering, School of Engineering, Aalto University, 14400 Espoo, Finland

Energies, 2020, vol. 13, issue 19, 1-26

Abstract: In the pulping industry, thermo-mechanical pulping (TMP) as a subdivision of the refiner-based mechanical pulping is one of the most energy-intensive processes where the core of the process is attributed to the refining process. In this study, to simulate the refining unit of the TMP process under different operational states, the idea of machine learning algorithms is employed. Complicated processes and prediction problems could be simulated and solved by utilizing artificial intelligence methods inspired by the pattern of brain learning. In this research, six evolutionary optimization algorithms are employed to be joined with the adaptive neuro-fuzzy inference system (ANFIS) to increase the refining simulation accuracy. The applied optimization algorithms are particle swarm optimization algorithm (PSO), differential evolution (DE), biogeography-based optimization algorithm (BBO), genetic algorithm (GA), ant colony (ACO), and teaching learning-based optimization algorithm (TLBO). The simulation predictor variables are site ambient temperature, refining dilution water, refining plate gap, and chip transfer screw speed, while the model outputs are refining motor load and generated steam. Findings confirm the superiority of the PSO algorithm concerning model performance comparing to the other evolutionary algorithms for optimizing ANFIS method parameters, which are utilized for simulating a refiner unit in the TMP process.

Keywords: thermo-mechanical pulping; adaptive neuro-fuzzy inference system; evolutionary optimization algorithm; artificial intelligence; data analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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