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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 1
SUMMARY:Holistic assistance tool for flatness prediction (HATFLAT)
DESCRIPTION:In flat steel production, flatness of steel strips and plates is of paramount significance for a safe and stable process operation and essentially defines final product quality. Although local flatness is controlled successfully during rolling, many steel plants face significant flatness problems for thin and/or high-strength steel products in downstream processes and after production. Especially the automotive industry has increasing demands for thinner and higher-strength steels. But this implies new difficult challenges for the aged plants and machinery run at their physical and technical limits to produce such highly specialized steel products. Additional limits are given in terms of cooling capacity, maximum required strip tension or the required rolling force, but most importantly by roll bending and continuous variable crown.
HatFlat investigates cross-process influences on the development of flatness defects. For this purpose it will apply a unique way of combining existing models based on physical laws – so called first-principle models – and state of the art machine learning (ML) approaches. This so-called physics-informed ML approach allows to a) improve the prediction of flatness and flatness deficiencies, b) identify the influential factors of greatest impact on flatness and c) to make proposals for changing the processes (as long as the product quality specifications are not affected) for achieving a better flatness characteristic. The project will also utilize proven Industry 4.0 tools, such as digital product twins for hosting the prediction models. 
The models developed in HatFlat will be assembled into a holistic assistance tool for flatness prediction. Featuring a strong industrial participation of some of Europe´s biggest steel producing companies, plants allocated along the process chain of steel processing with strip and plate products, two highly reputed steel research institutes and a university, all working together to create one new tool for predicting, understanding and improving flatness.

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DTSTART:20230615T151000
DTEND:20230615T153000
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