Space-based navigation systems rely on satellites to operate in orbit and have lifetimes of 10 years or more. Engineers employ Reliability, Availability, and Maintainability (RAM) analysis during the design phase to maximize a satellite's mean time between failures (MTBF). These design parameters help to optimize maintenance plans, enhance overall reliability, and extend the satellite's lifespan. The paper presents a novel approach using concurrent stochastic games (CSG) to model a single satellite with logical and formal specifications of RAM properties in rPATL. We leverage the PRISM-games model checker for quantitative analysis while considering collaborative behaviors between involved players in orbit and on the ground. This CSG-based approach offers a rich design space where actors considered as players involved in satellite maintenance can collaborate and learn optimal strategies.
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Baouya et al. (2024) studied this question.
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