Structural causal modeling and STPA for the risk analysis of a rail system powered by H2 fuel

L. Riccardi, M. Compare, R. Mascherona and E. Zio

Reliability Engineering and System Safety, 2025, vol. 256, issue C

Abstract: Hydrogen fuel is being considered for rail transport applications. As a new technology, it poses risks. We propose to integrate System-Theoretic Process Analysis (STPA) with Structural Causal Models (SCMs) to analyze the risks of new technology systems. The integration allows leveraging the STPA capability of identifying hazardous scenarios for a system, also due to the socio-technical environment in which the system is operated, and the SCM capability of assisting experts in the understanding of risks and in their evaluation. The integration provides a flexible framework that is here applied for the analysis of the hazards and risks emerging from the introduction of hydrogen as a fuel for the rail industry.

Keywords: Hydrogen; STPA; Causal modeling; Counterfactuals; Confoundings (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:256:y:2025:i:c:s0951832024008299

DOI: 10.1016/j.ress.2024.110758

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