Task 4: UK Digital Steel Innovation Hub

SUSTAIN Task 4: UK Digital Steel Innovation Hub

Prof. Arnold Beckmann, Prof. Cameron Pleydell-Pearce, Prof. Cinzia Giannetti, Prof. Janet Godsell, Dr Kayal Lakshamanan

The steel industry produces more than 1.7bn tonnes of steel per year and accounts for approximately 10% of global carbon emissions. 

Industrial Digital Technologies, such as wireless sensors, and advanced analytics offer tremendous opportunities to reduce the environmental impact of steelmaking by improving energy and resource efficiency and reducing scrap rate. 

Despite the availability of a large volume of data, the steel industry is lagging in the exploitation of its data assets. Steel plants are large-scale and complex; they have been operating for a long-time utilising legacy equipment alongside newer machinery, hence are often challenged by poor data quality. In addition, they rely heavily on the knowledge of expert operators and metallurgists to achieve optimal process operations.

Task 4 (Digital Steel Innovation Hub) is working with industrial partners in the steel industry and its supply chain to develop data-driven innovations which will improve the energy and material efficiency of steelmaking. 

Task 4 will develop new knowledge, tools, and applications of novel sensor technologies, fused with physics-informed AI models and knowledge modelling to create actionable insight during manufacture. It will develop new approaches to enable safe and secure materials data sharing and integration throughout the lifecycle.

Progression

The initial aim has been to create a data-driven step-change improvement in the competitiveness of UK end-to-end steel supply chains. It has aimed to utilise recent developments in technology to both harness and analyse data that can bring to improve the value-add and productivity of products, processes, and supply chains in the UK steel industry. 

Since then, the focus shifted towards exploring the use of semantic technologies to address the challenges related to the steel supply chains. Developed originally in the context of the semantic web, the aim is to give meaning to all kinds of digital information, with the intention of making that information understandable for machines to enable advanced information processing and reasoning.

In addition, semantic technologies have been very successful in digitising human knowledge in the form of expert systems, and have successfully been used to reason about knowledge, data and processes in industrial domains.  

Following the award of further funding (Made Smarter Innovation: Materials Made Smarter Research Centre), the scope of Tasks 4 and 5 work has been extended. Specifically, the extended research team is now developing and validating new AI physics-informed methods derived from coupling sensor-based information with physical simulations applied to the Hot Mill and Blast Furnace processes. 

Furthermore, research is currently being undertaken towards the development of common definitions, representations and metadata approaches to allow materials data sharing and integration throughout the lifecycle. This activity will involve organising workshops with industry stakeholders and researchers in material, data science, circular economy, and social sciences to gather requirements and co-develop a data-sharing platform that will form the basis of a standardised ‘material passport’.

Key findings

The research team is exploring different aspects of data-driven innovations, including data sharing and integration and the development of novel predictive analytics to derive insights into process operation and guide optimisation of steelmaking processes. The key deliverables to date are listed below.

  • We have developed a Common Reference Ontology for Steelmaking (CROS), which serves as a shared steelmaking resource and capability model that aims to facilitate knowledge modelling, knowledge sharing and information management. The functionality and usefulness of CROS has been evaluated and tested on a condition-based monitoring and maintenance task for cold rolling mills at Tata Steel UK. 
  • Research has been proposed to develop Stream Reasoning for real-time predictive maintenance, building on the domain ontology CROS as a static knowledge model. The Stream Reasoner enables continuously query and reasoning on real-time data.
  • We have tested ideas around hybrid AI that combine knowledge technologies with statistical AI methods like Machine Learning, with the aim to integrate human knowledge with statistical AI for improved reasoning and decision capabilities.
  • We have developed and evaluated novel predictive analytics methodologies using large-scale heterogeneous datasets collected from steel plants, including: i) prediction of [Si] in Blast Furnace; ii) Machine Learning enabled automated root cause analysis of width defects in Hot Mill processes; iii) estimating the remaining useful life of rolls in cold rolling mill; iv) remoting monitoring of steel processes using computer vision.

Industrial applications

The research has application to industry as it will produce proof of concepts and demonstrators of data and knowledge-driven approaches to improve capabilities and efficiencies in the steel industry. This will require close collaboration with industrial partners and demonstrations of use cases. 

The research will produce tangible impacts in terms of improvement of manufacturing processes, contributing to the wider goal of decarbonisation of the steel sector. The main barriers to implementation in industry are the lack of skills and capabilities in data-driven innovations, lack of trust and issues with the availability of good quality data.

Looking ahead

The next stages will evaluate novel hybrid approaches that will enhance current modelling and data analytics capabilities, allowing us to exploit the hidden potential of existing data assets to drive productivity improvements and sustainability.

The aim is to provide a set of ontologies, data integration methods and guidelines that will enable the integration of humans’ decision-making and the vast tacit knowledge within existing modelling and analytics frameworks. In this way, we will contribute to enhancing our understanding of the application of hybrid methods in manufacturing, which is a relatively unexplored field. We believe that these hybrid technologies will support the realisation of high-fidelity digital twin models by integrating human and computer-generated knowledge into predictive platforms, ultimately leading to improved decision-making capabilities and optimal operations.

We will also advance digital modelling and blockchain applications within the steel supply chain to enable a sustainable future and a transformation to net zero. The aim is to combine blockchain technology and semantic technology to enable Industry 4.0 capabilities for steel manufacturing that address sustainability and a transformation to net zero.  An initial focus will be on the concept of a digital material passport, to demonstrate its potential for the steel supply chain.

Further reading
  1. Lakshmanan, K., Borghini, E., Beckmann, A., Pleydell-Pearce, C., & Giannetti, C. (2022). Data modelling and Remaining Useful Life estimation of rolls in a steel making cold rolling process. Procedia Computer Science, 207, 1057–1066. https://doi.org/10.1016/j.procs.2022.09.161
  2. Beden, S., Cao, Q., & Beckmann, A. (2021a). Semantic asset administration shells in industry 4.0: A survey. Proceedings – 2021 4th IEEE International Conference on Industrial Cyber-Physical Systems, ICPS 2021, 31–38. https://doi.org/10.1109/ICPS49255.2021.9468266
  3. Beden, S., Cao, Q., & Beckmann, A. (2021b). Scro: A domain ontology for describing steel cold rolling processes towards industry 4.0. Information (Switzerland), 12(8). https://doi.org/10.3390/info12080304
  4. Cao, Q., Beden, S., & Beckmann, A. (2022). A core reference ontology for steelmaking process knowledge modelling and information management. Computers in Industry, 135. https://doi.org/10.1016/j.compind.2021.103574

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