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Towards systems-of-systems structural resilience assessment

Abstract : Nowadays, we expect of SoS (systems-of-systems) more than just to be functional, but also to be reliable, to preserve their performance, to complete the required fonctions and rnost importantly to anticipate potential defects. The relationship with resilience is among the numerous perspectives tackling reliability in the context of SoS. It is about the consequences in case of disturbances and associated uncertainties. Resilience is defined as the ability of systems to withstand a major disruption within acceptable degradation parameters and to recover within an acceptable time, composite costs and risks. In this thesis, two complementary approaches are proposed in an attempt to analyze SoS structural resilience. First is related to extensibility which is a specific characteristic of SoS as they are in continuous evolvement and change. A major focus is to evaluate SoS structural resilience with regards to its dynamic aspect and through interoperability assessment. On the other hand, a consideration of the SoS structure and inner workflow pathways represents the second approach. This perspective leads to structural resilience assessment through a set of indicators. Both proposed approaches are deterministic and can be used to evaluate the current state of SoS structure or to anticipate its resilience in future scenarios. Futhermore, a prototype is designed in order to process the structural resilience assessment. Considering spatial objects, it has been used to conduct experiments on real-based industrial infrastructures approached as SoS.
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Submitted on : Monday, June 15, 2020 - 10:54:40 AM
Last modification on : Tuesday, October 20, 2020 - 10:49:39 AM


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  • HAL Id : tel-02867963, version 1


Ilyas Ed-Daoui. Towards systems-of-systems structural resilience assessment. Performance [cs.PF]. Normandie Université; Ecole nationale des sciences appliquées (Kénitra, Maroc), 2019. English. ⟨NNT : 2019NORMIR07⟩. ⟨tel-02867963⟩



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