Abstract
Space missions may benefit from a more advanced autonomy level in different ways: reduction of ground operations, reduction of the occurrence of service interruptions or improvement of the reactivity of the system. Depending on the mission requirements, new functions need to be supplied on-board the spacecraft, such as mission planning or failure diagnosis and automatic reconfiguration. Our work focused on the definition of a decisional architecture and its integration into a representative on-board software for an autonomous satellite. This software is based on a software bus and use the concept of software component, easily pluggable and reusable. Development process is based on interfaces modelling and automatic code generation facilitating their integration. This implementation has been evaluated on an operational software environment. Results are given in the last section.
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