“Fault Detection in Time- and Space-Partitioned Systems”

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Kleomar Almeida, Ricardo Correia Pinto, José Rufino

Communication in 5th Simpósio de Informática (INFORUM), Évora, Portugal, Sept. 2013.

Abstract: The next generation of space vehicles will integrate different mission functions on a shared computing platform using the advanced principle of Time and Space Partitioning (TSP). Improving the surviv- ability of space vehicles requires reacting promptly on fault events, which implies timely fault detection. This paper addresses the definition and design of fault-detection mech- anisms for TSP hypervisors, covering both time and space domains. In spite of our focus in aerospace applications, the safety attributes and cost-effectiveness of TSP systems have a wider potential scope of ap- plicability to other safety-critical environments, namely those involving autonomous vehicles in automotive, airborne and underwater applica- tions.