“Safe Online Reconfiguration of Time- and Space-Partitioned Systems”

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Joaquim Rosa, João Pedro Craveiro, José Rufino

in 9th IEEE International Conference on Industrial Informatics (INDIN 2011), Caparica, Lisbon, Portugal, Jul. 2011.

Abstract: Future space missions call for advanced computing system architectures fulfilling strict size, weight and power consumption (SWaP) requisites, decreasing the mission cost and ensuring the safety and timeliness of the system. The AIR (ARINC 653 in Space Real-Time Operating System) architecture defines a partitioned environment for the development and execution of aerospace applications, following the notion of time and space partitioning (TSP), preserving application timing and safety requisites. Due to the change of the mission plans and in the presence of unexpected events, it may be necessary or useful to be able to reconfigure the scheduling of the system applications at execution time. In this paper we present an algorithm for update application schedules, showing results from the proof-of-concept prototype in the scope of the AIR architecture.

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Project(s): Project:AIR-II

Research line(s): Timeliness and Adaptation in Dependable Systems (TADS)

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