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Article | REF: SE1221 V1

Active antenna failure modeling and architecture modifications

Authors: Marion JUAN, David MAILLAND, Nicolas FIFIS, Guy GREGORIS

Publication date: December 10, 2021 | Lire en français

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    2. Introduction to modeling tools

    2.1 Traditional tools

    Dependability engineers have a number of classic tools at their disposal for estimating the reliability of a system in compliance with international standards. ECSS applicable to space systems developed in Europe.

    For example, this can be calculated analytically from a reliability block diagram, as shown in figure 2 . In this way, end-of-life reliability is obtained by means of a probabilistic calculation. Although effective, this method is limited to relatively simple systems, and will be more difficult to adapt to more complex systems.

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