All Outputs (3)

System Petri net modelling for railway infrastructure asset management (2024)
Journal Article
Litherland, J., & Andrews, J. (2024). System Petri net modelling for railway infrastructure asset management. Infrastructure Asset Management, https://doi.org/10.1680/jinam.23.00046

Railway infrastructure managers face the challenge of attaining a high level of performance and safety while meeting strict financial targets. To assist with decision making, modelling is needed to predict and evaluate the outcomes of different maint... Read More about System Petri net modelling for railway infrastructure asset management.

An integrated Petri net-pseudo bond graph model for nuclear hazard assessment (2024)
Journal Article
Wootton, M. J., Andrews, J. D., Smith, R., Arul, A. J., Vinod, G., Prasad, M. H., & Garg, V. (2024). An integrated Petri net-pseudo bond graph model for nuclear hazard assessment. Safety and Reliability, 43(3), 135-185. https://doi.org/10.1080/09617353.2024.2363067

A pseudo-bond graph is presented to model the heat transferred from the fuel rods to the coolant via its cladding in a generic nuclear reactor case study. Simulations performed using this model are used to explore the temperatures of the core compone... Read More about An integrated Petri net-pseudo bond graph model for nuclear hazard assessment.

Calculation of the System Unavailability Measures of Component Importance Using the D2T2 Methodology of Fault Tree Analysis (2024)
Journal Article
Andrews, J., & Lunt, S. (2024). Calculation of the System Unavailability Measures of Component Importance Using the D2T2 Methodology of Fault Tree Analysis. Mathematics, 12(2), Article 292. https://doi.org/10.3390/math12020292

A recent development in Fault Tree Analysis (FTA), known as Dynamic and Dependent Tree Theory (D2T2), accounts for dependencies between the basic events, making FTA more powerful. The method uses an integrated combination of Binary Decision Diagrams... Read More about Calculation of the System Unavailability Measures of Component Importance Using the D2T2 Methodology of Fault Tree Analysis.