Data-driven causal knowledge graph construction for root cause analysis in quality problem solving

Z Xu, Y Dang - International Journal of Production Research, 2023 - Taylor & Francis
Root cause analysis (RCA) plays an essential role in quality problem solving (QPS). Due to
the difficulty of obtaining causal knowledge of quality problems, companies often rely on …

Solidification morphology and segregation in continuously cast steel slab

SK Choudhary, S Ganguly, A Sengupta… - Journal of Materials …, 2017 - Elsevier
Solidification morphology and centreline macrosegregation in continuously cast, thick steel
slab samples were investigated in order to evaluate the liquid steel solidification …

Knowledge-driven intelligent quality problem-solving system in the automotive industry

Z Xu, Y Dang, P Munro - Advanced Engineering Informatics, 2018 - Elsevier
In the current automotive industry, quality management, especially quality problem-solving
(QPS), plays an important role in fulfilling the expectations of demanding customers who …

[HTML][HTML] Parameters optimization of selected casting processes using teaching–learning-based optimization algorithm

RV Rao, VD Kalyankar, G Waghmare - Applied Mathematical Modelling, 2014 - Elsevier
In the present work, mathematical models of three important casting processes are
considered namely squeeze casting, continuous casting and die casting for the parameters …

A prediction model for internal cracks during slab continuous casting

Y Kong, D Chen, Q Liu, M Long - Metals, 2019 - mdpi.com
Slab continuous casting internal cracking is a common quality defect in the production
process. The ability to predict the quality of each continuous casting product and assess …

Real-time quality prediction of casting billet based on random forest algorithm

X Ye, X Wu, Y Guo - … Conference on Progress in Informatics and …, 2018 - ieeexplore.ieee.org
Real-time quality prediction in continuous casting process is of great significance to the
increase of production and the improvement of casting billet quality. The process parameters …

Influence of mould level instability on the unevenness of solidified shell deformations during continuous casting

K Furumai, HS Zurob, A Phillion… - Ironmaking & …, 2023 - journals.sagepub.com
The influence of mould level instability during continuous casting on the unevenness of the
initial solidified shell in hypo-peritectic steels has been investigated. Water model …

Comparison of optimization-regulation algorithms for secondary cooling in continuous steel casting

M Brezina, T Mauder, L Klimes, J Stetina - Metals, 2021 - mdpi.com
The paper presents the comparison of optimization-regulation algorithms applied to the
secondary cooling zone in continuous steel casting where the semi-product withdraws most …

Optimization of the continuous casting process of hypoeutectoid steel grades using multiple linear regression and genetic programming—An industrial study

M Brezocnik, U Župerl - Metals, 2021 - mdpi.com
Štore Steel Ltd. is one of the major flat spring steel producers in Europe. Until 2016 the
company used a three-strand continuous casting machine with 6 m radius, when it was …

Assessing the effects of steel composition on surface cracks in continuous casting with solidification simulations and phenomenological quality criteria for quality …

J Norrena, S Louhenkilpi, VV Visuri… - steel research …, 2023 - Wiley Online Library
Crack formation is an issue that significantly undermines the quality and productivity of steel
production. In previous studies, a solidification and microstructure model known as …