Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Diesel-Electric Propulsion (DEP) has been widely used for propulsion of LNG carriers, icebreakers, drilling units, warships and cruise ships. It is important that every blackout is prevented, especially on cruise ships, considering the possible consequences of such an event. In this work, hazard analysis of a simplified DEP system of a cruise ship is implemented to identify the hazardous scenarios leading to a blackout. This is achieved by combining System-Theoretic Process Analysis (STPA) and Event Tree Analysis (ETA). The STPA is used to identify the hazards and the possible control actions leading to hazards along with their causal factors, whilst the ETA is used to determine the propagation of hazards into the other hazards or accident. Next, the results of STPA and ETA are mapped into a Fault Tree for better representation of results. In this way, the relationship between accident, hazards and unsafe control actions is explicitly described and a more comprehensive picture of the potential accidental scenarios in the system is provided, rendering possible allocation of quantitative performance requirements as per IEC 61508.
LanguageEnglish
Title of host publicationMarine Design XIII, Volume 2
Subtitle of host publicationProceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland
EditorsPennti Kujala, Liangliang Lu
Place of PublicationBoca Raton, FL
Pages691-699
Number of pages9
Publication statusPublished - 11 Jun 2018

Fingerprint

Diesel propulsion
Electric propulsion
Hazards
Ships
Accidents
Icebreakers
Warships
Liquefied natural gas
Propulsion
Drilling

Keywords

  • system-theoretic process analysis
  • diesel-electric propulsion
  • blackouts
  • event trees
  • cruise ships

Cite this

Bolbot, V., Theotokatos, G., & Vassalos, D. (2018). Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship. In P. Kujala, & L. Lu (Eds.), Marine Design XIII, Volume 2: Proceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland (pp. 691-699). Boca Raton, FL.
Bolbot, V. ; Theotokatos, G. ; Vassalos, D. / Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship. Marine Design XIII, Volume 2: Proceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland. editor / Pennti Kujala ; Liangliang Lu. Boca Raton, FL, 2018. pp. 691-699
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abstract = "Diesel-Electric Propulsion (DEP) has been widely used for propulsion of LNG carriers, icebreakers, drilling units, warships and cruise ships. It is important that every blackout is prevented, especially on cruise ships, considering the possible consequences of such an event. In this work, hazard analysis of a simplified DEP system of a cruise ship is implemented to identify the hazardous scenarios leading to a blackout. This is achieved by combining System-Theoretic Process Analysis (STPA) and Event Tree Analysis (ETA). The STPA is used to identify the hazards and the possible control actions leading to hazards along with their causal factors, whilst the ETA is used to determine the propagation of hazards into the other hazards or accident. Next, the results of STPA and ETA are mapped into a Fault Tree for better representation of results. In this way, the relationship between accident, hazards and unsafe control actions is explicitly described and a more comprehensive picture of the potential accidental scenarios in the system is provided, rendering possible allocation of quantitative performance requirements as per IEC 61508.",
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Bolbot, V, Theotokatos, G & Vassalos, D 2018, Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship. in P Kujala & L Lu (eds), Marine Design XIII, Volume 2: Proceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland. Boca Raton, FL, pp. 691-699.

Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship. / Bolbot, V.; Theotokatos, G.; Vassalos, D.

Marine Design XIII, Volume 2: Proceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland. ed. / Pennti Kujala; Liangliang Lu. Boca Raton, FL, 2018. p. 691-699.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AB - Diesel-Electric Propulsion (DEP) has been widely used for propulsion of LNG carriers, icebreakers, drilling units, warships and cruise ships. It is important that every blackout is prevented, especially on cruise ships, considering the possible consequences of such an event. In this work, hazard analysis of a simplified DEP system of a cruise ship is implemented to identify the hazardous scenarios leading to a blackout. This is achieved by combining System-Theoretic Process Analysis (STPA) and Event Tree Analysis (ETA). The STPA is used to identify the hazards and the possible control actions leading to hazards along with their causal factors, whilst the ETA is used to determine the propagation of hazards into the other hazards or accident. Next, the results of STPA and ETA are mapped into a Fault Tree for better representation of results. In this way, the relationship between accident, hazards and unsafe control actions is explicitly described and a more comprehensive picture of the potential accidental scenarios in the system is provided, rendering possible allocation of quantitative performance requirements as per IEC 61508.

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Bolbot V, Theotokatos G, Vassalos D. Using system-theoretic process analysis and event tree analysis for creation of a fault tree of blackout in the diesel-electric propulsion system of a cruise ship. In Kujala P, Lu L, editors, Marine Design XIII, Volume 2: Proceedings of the 13th International Marine Design Conference (IMDC 2018), June 10-14, 2018, Helsinki, Finland. Boca Raton, FL. 2018. p. 691-699