Resilience Assessment: A Performance-Based Importance Measure

Ali Nouri Qarahasanlou, Ali Zamani, Abbas Barabadi and Mahdi Mokhberdoran
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Ali Nouri Qarahasanlou: Faculty of Technical and Engineering, Imam Khomeini International University, Qazvin 3414896818, Iran
Ali Zamani: College of Engineering, University of Tehran, Tehran 9813, Iran
Abbas Barabadi: Department of Technology and Safety, UiT the Arctic University of Norway, 6050 Tromsø, Norway
Mahdi Mokhberdoran: Branch Manager of SGS, Tabriz 51368, Iran

Energies, 2021, vol. 14, issue 22, 1-16

Abstract: The resilience of a system can be considered as a function of its reliability and recoverability. Hence, for effective resilience management, the reliability and recoverability of all components which build up the system need to be identified. After that, their importance should be identified using an appropriate model for future resource allocation. The critical infrastructures are under dynamic stress due to operational conditions. Such stress can significantly affect the recoverability and reliability of a system’s components, the system configuration, and consequently, the importance of components. Hence, their effect on the developed importance measure needs to be identified and then quantified appropriately. The dynamic operational condition can be modeled using the risk factors. However, in most of the available importance measures, the effect of risk factors has not been addressed properly. In this paper, a reliability importance measure has been used to determine the critical components considering the effect of risk factors. The application of the model has been shown through a case study.

Keywords: reliability; importance measure; operational condition; frailty model; fleet of loading system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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