Proceedings of the Eighth International Conference on Probabilistic Safety Assessment & Management (PSAM)
172 Space Propulsion System Phased-Mission Probability Analysis Using Conventional PRA Methods (PSAM-0252)
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As part of a series of papers on the topic of advance probabilistic methods, a benchmark phased-mission problem has been suggested. This problem consists of modeling a space mission using an ion propulsion system, where the mission consists of seven mission phases. The mission requires that the propulsion operate for several phases, where the configuration changes as a function of phase. The ion propulsion system itself consists of five thruster assemblies and a single propellant supply, where each thruster assembly has one propulsion power unit and two ion engines. In this paper, we evaluate the probability of mission failure using...