Enhancing Control Room Operator Decision Making

Author:

Mietkiewicz Joseph12ORCID,Abbas Ammar N.34ORCID,Amazu Chidera W.5ORCID,Baldissone Gabriele5ORCID,Madsen Anders L.26ORCID,Demichela Micaela5ORCID,Leva Maria Chiara1ORCID

Affiliation:

1. Faculty of Food and Science, Technological University Dublin (TU Dublin), D07 ADY7 Dublin, Ireland

2. Hugin Expert A/S, 9000 Aalborg, Denmark

3. Data Science, Software Competence Center Hagenberg, 4232 Hagenberg im Mühlkreis, Austria

4. School of Computer Science, Technological University Dublin (TU Dublin), D07 ADY7 Dublin, Ireland

5. Dipartimento Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, 10129 Torino, Italy

6. Department of Computer Science, Aalborg University, 9220 Aalborgost, Denmark

Abstract

In the dynamic and complex environment of industrial control rooms, operators are often inundated with numerous tasks and alerts, leading to a state known as task overload. This condition can result in decision fatigue and increased reliance on cognitive biases, which may compromise the decision-making process. To mitigate these risks, the implementation of decision support systems (DSSs) is essential. These systems are designed to aid operators in making swift, well-informed decisions, especially when their judgment may be faltering. Our research presents an artificial intelligence (AI)-based framework utilizing dynamic influence diagrams and reinforcement learning to develop a powerful decision support system. The foundation of this AI framework is the creation of a robust, interpretable, and effective DSS that aids control room operators during critical process disturbances. By incorporating expert knowledge, the dynamic influence diagram provides a comprehensive model that captures the uncertainties inherent in complex industrial processes. It excels in anomaly detection and recommending optimal actions. Furthermore, this model is improved through a strategic collaboration with reinforcement learning, which refines the recommendations to be more context-specific and accurate. The primary goal of this AI framework is to equip operators with a live, reliable DSS that significantly enhances their response during process upsets. This paper describes the development of the AI framework and its implementation in a simulated control room environment. Our results show that the DSS can improve operator performance and reduce cognitive workload. However, it also uncovers a trade-off with situation awareness, which may decrease as operators become overly dependent on the system’s guidance. Our study highlights the necessity of balancing the advantages of decision support with the need to maintain operator engagement and understanding during process operations.

Funder

European Union

Publisher

MDPI AG

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