In this work, we address the problem of transforming the process of making design decisions for networking infrastructures in avionics systems from an ad-hoc approach to a systematic, structured approach. Given a set of data communications needs, the goal is to show how a variety of candidate network topologies (e.g. multi-drop bus vs. hub-and-spoke) and avionics protocols such as ARINC 664, MIL-STD-1553B, ARINC 429 and ARINC 825 (CAN), would perform over a continuum of values, and select the best configuration for a given target platform. We have developed a simulation tool based on OPNET which (a) emulates each of the above standards (b) identifies strengths and limitations of each one in handling a given load and characterizes their behavior over a continuum of values, and (c) provides guidelines for the optimal choice to meet the given requirements.
Towards optimal design of avionics networking infrastructures
2012-10-01
888651 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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