Using constraint programming to avoid overlapping physical components in system of systems

Hamza Cherif Bouchaour and Hafid Haffaf

International Journal of Industrial and Systems Engineering, 2026, vol. 53, issue 4, 451-472

Abstract: The term system of systems (SoS) refers to a collection of independent systems that combine their functionalities to create a higher-level system capable of achieving broader objectives. SoS relies on the integration of multiple independent complex systems into a unified entity. This complexity makes them difficult to design, manage, and maintain. The reconfiguration phase represents a pivotal aspect of SoS, given the interdependence among its constituent systems, which renders them susceptible to disruptive events. When a single system experiences disruption, it can trigger a domino effect that impacts other systems. The distinctive feature of this work is that it has been designed with the specific intention of recovering faulty systems. Previous works have often involved reconfiguration by shifting the system to a degraded mode, discarding faulty components, which can result in the inability to fully achieve the objective. This paper introduces a constraint programming method that enables the system to adapt its parameters to new situations and continue operating. Furthermore, the paper includes a case study that describes a SoS composed of intelligent autonomous vehicles (IAVs) and a gantry crane, which was studied in scenarios where a degraded mode of operation was addressed.

Keywords: system of systems; SoS; intelligent autonomous vehicle; IAV; road overlap; constraint programming; component failure; system reconfiguration. (search for similar items in EconPapers)
Date: 2026
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