Comparison of diesel-electric with hybrid-electric propulsion system safety using system-theoretic process analysis

Bolbot, V. and Theotokatos, G. and Boulougouris, E. and Vassalos, D.; (2019) Comparison of diesel-electric with hybrid-electric propulsion system safety using system-theoretic process analysis. In: RINA, Royal Institution of Naval Architects - Power and Propulsion Alternatives for Ships 2019, Papers. Royal Institution of Naval Architects, GBR. ISBN 9781909024878

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Abstract

Cruise ship industry is rapidly developing, with both the vessels size and number constantly growing up, which renders ensuring passengers, crew and ship safety a paramount necessity. Collision, grounding and fire are among the most frequent accidents on cruise ships with high consequences. In this study, a hazard analysis of diesel-electric and hybrid-electric propulsion system is undertaken using System-Theoretic Process Analysis (STPA). The results demonstrate significant increase in potential hazardous scenarios due to failures in automation and control systems, leading to fire and a higher number of scenarios leading to propulsion and power loss in hybrid-electric propulsion systems than on a conventional cruise-ship propulsion system. Results also demonstrate that STPA enhancement is required to compare the risk of two propulsion systems.

ORCID iDs

Bolbot, V. ORCID: https://orcid.org/0000-0002-1883-3604

Theotokatos, G. ORCID: https://orcid.org/0000-0003-3547-8867

Boulougouris, E. ORCID: https://orcid.org/0000-0001-5730-007X

Vassalos, D. ORCID: https://orcid.org/0000-0002-0929-6173

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• Item metadata

  Item type:	Book Section
  ID code:	72641
  Dates:	Date Event 23 January 2019 Published 23 September 2018 Accepted
  Subjects:	Naval Science > Naval architecture. Shipbuilding. Marine engineering
  Department:	University of Strathclyde > University of Strathclyde
  Depositing user:	Pure Administrator
  Date deposited:	09 Jun 2020 14:10
  Last modified:	02 Dec 2024 01:07
  URI:	https://strathprints.strath.ac.uk/id/eprint/72641