A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems

Nikolaos Papakonstantinou, Bryan O'Halloran

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Modern critical infrastructure systems have grown to be increasingly complex. Among the many reliability and system safety (RSS) characteristics of the system, failure propagation is critical to understand. Understanding failure propagations can significantly reduce the system's risk since corrective design actions can be taken early on. Beyond traditional RSS methods, some are centered on failure propagation including fault tree analysis (FTA), the BowTie method, fishbone diagrams, etc. The BowTie analysis is a method for assessing the prevention and recovery attributes of a complex safety-critical system. The proposed methodology in this paper addresses the prevention aspect of the BowTie analysis. Specifically, we proposed a method based on physics-based multidisciplinary model to accurately simulate the failure propagation of the system. The failure propagation paths are developed naturally by the simulation model and are therefore more complete. The novelty of such an approach is that practitioners do not need to predict the paths. The methodology is demonstrated using a case study of a three tank system with one critical function. The case study results show that the proposed method can successfully identify failure propagation from "causes" to "hazards" and its multidisciplinary nature helps capturing paths that cross system disciplines (such as propagation through the environment).
    Original languageEnglish
    Title of host publication2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA)
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages1-9
    Number of pages9
    ISBN (Electronic)978-1-5090-6505-9, 978-1-5090-6504-2
    ISBN (Print)978-1-5090-6506-6
    DOIs
    Publication statusPublished - 4 Jan 2018
    MoE publication typeA4 Article in a conference publication
    EventIEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2017 - Limassol, Cyprus
    Duration: 12 Sep 201715 Sep 2017

    Conference

    ConferenceIEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2017
    Abbreviated titleETFA 2017
    CountryCyprus
    CityLimassol
    Period12/09/1715/09/17

    Fingerprint

    Security systems
    Risk assessment
    Fault tree analysis
    Critical infrastructures
    Hazards
    Physics
    Recovery

    Cite this

    Papakonstantinou, N., & O'Halloran, B. (2018). A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems. In 2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA) (pp. 1-9). IEEE Institute of Electrical and Electronic Engineers . https://doi.org/10.1109/ETFA.2017.8247676
    Papakonstantinou, Nikolaos ; O'Halloran, Bryan. / A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems. 2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA). IEEE Institute of Electrical and Electronic Engineers , 2018. pp. 1-9
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    Papakonstantinou, N & O'Halloran, B 2018, A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems. in 2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA). IEEE Institute of Electrical and Electronic Engineers , pp. 1-9, IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2017, Limassol, Cyprus, 12/09/17. https://doi.org/10.1109/ETFA.2017.8247676

    A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems. / Papakonstantinou, Nikolaos; O'Halloran, Bryan.

    2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA). IEEE Institute of Electrical and Electronic Engineers , 2018. p. 1-9.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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    Papakonstantinou N, O'Halloran B. A dynamic failure propagation methodology supporting the risk assessment of multidisciplinary systems. In 2017 22nd IEEE International Conference on Emerging Technologies and Factory Automation (ETFA). IEEE Institute of Electrical and Electronic Engineers . 2018. p. 1-9 https://doi.org/10.1109/ETFA.2017.8247676