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Finite State Machine Modelling to Facilitate the Resilience of Infrastructures: Reflections

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Institute of Communications and Navigation, DLR, 17235 Neustrelitz, Germany
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Institute of Innovative Ship-Simulation and Maritime Systems (ISSIMS), Wismar University of Applied Sciences, 18119 Warnemünde, Germany
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Institute for the Protection of Maritime Infrastructures, DLR, 27572 Bremerhaven, Germany
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Program Coordination Defense and Security Research, DLR, 51147 Köln, Germany
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Author to whom correspondence should be addressed.
Infrastructures 2020, 5(3), 24; https://doi.org/10.3390/infrastructures5030024
Received: 13 January 2020 / Revised: 21 February 2020 / Accepted: 27 February 2020 / Published: 29 February 2020
The ability of an infrastructure to be resistant against hazards or to accommodate and recover from hazard-induced destructions and disturbances is characterized as resilience. Usually, infrastructures are engineered socio-technical systems or systems-of-systems. Jackson and Ferris consider the use of finite state machine (FSM) modelling as a suitable means to depict and investigate the resilience of such engineered systems. This paper discusses the capabilities and limitations of the FSM model proposed by Jackson and Ferris and if it should be used for the representation and evaluation of the resilience of an infrastructure. The discussion is conducted on a more general level. However, special attention is paid to monitoring because, on the one hand, monitoring is one of the cornerstones of resilience and, on the other hand, Scott and Ferris define a state that is emphasized by an increased level of situational awareness as a result of happened and perceived events. Consequently, the question has to be answered of how the models are able to reflect the need for routine monitoring of the resilience of infrastructures in order to initiate, if necessary, adjustment procedures as an appropriate response to changes in internal and external conditions. The results of this theoretical study are a fundamental step towards the practical application of the FSM approach for the design of resilient infrastructures. View Full-Text
Keywords: infrastructures; resilience; finite state machine modelling; design principles; monitoring infrastructures; resilience; finite state machine modelling; design principles; monitoring
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MDPI and ACS Style

Engler, E.; Baldauf, M.; Sill Torres, F.; Brusch, S. Finite State Machine Modelling to Facilitate the Resilience of Infrastructures: Reflections. Infrastructures 2020, 5, 24.

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