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Data modelling and Remaining Useful Life estimation of rolls in a steel making cold rolling process

Kayal Lakshmanan, Eugenio Borghini, Arnold Beckmann Orcid Logo, Cameron Pleydell-Pearce, Cinzia Giannetti Orcid Logo

Procedia Computer Science, Volume: 207, Pages: 1057 - 1066

Swansea University Authors: Kayal Lakshmanan, Eugenio Borghini, Arnold Beckmann Orcid Logo, Cameron Pleydell-Pearce, Cinzia Giannetti Orcid Logo

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Abstract

The economic cost of roll refurbishment in the steel-making industry is considerable. In a cold rolling mill, wear and damage of rolls disrupt the industrial environment, so it is critical to predict the remaining useful life early and change the roll without causing disruption to the manufacturing...

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Published in: Procedia Computer Science
ISSN: 1877-0509
Published: Elsevier BV 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa61602
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Abstract: The economic cost of roll refurbishment in the steel-making industry is considerable. In a cold rolling mill, wear and damage of rolls disrupt the industrial environment, so it is critical to predict the remaining useful life early and change the roll without causing disruption to the manufacturing process. However, since cold rolling is a complex process affected by multiple variables which are operated in adverse conditions, it is very challenging to mathematically analyse the roll wear and failure. For this reason, in the present paper, a data-driven solution is proposed to predict the correct time for changing individual rolls. To develop an accurate predictive model, several datasets containing high-resolution production data and roll refurbishment data collected from a UK based steel plant have been acquired and processed in a way that the roll wear is modelled as a Remaining Useful Life (RUL) problem, where the number of coils that a roll is able to process is viewed as the remaining cycles. Then hybrid deep learning models are used to predict the Remaining Useful Life of rolls used in steel making. This novel data-driven approach achieves high prediction accuracy and has been validated on a real-world dataset. The proposed approach not only helps avoiding early failure but also can serve as a critical step towards the design of an optimal, automated maintenance schedule for the roll management.
Keywords: Cold mill rolls; Remaining useful life; Convolution Neural Network; LSTM; Bidirectional LSTM
College: Faculty of Science and Engineering
Funders: This work was supported by the UK Engineering and Physical Sciences Research Council (EPSRC) projects EP/V061798/1 and EP/S018107/1. Cinzia Giannetti would like to acknowledge the support of the IMPACT, Supercomputing Wales and Accelerate AI projects, which are part-funded by the European Regional Development Fund (ERDF) via Welsh Government. The authors would like to thank Tata Steel UK for data access and Steve Thornton, Scientific Fellow at Tata Steel UK for discussion and feedback on the manuscript
Start Page: 1057
End Page: 1066