Mission success criteria at the device level and required device operation/availability can determine the risk posed by the radiation effects for a given device in a given environment, but rarely are the same from one mission to another. A large portion of New Space / SmallSat missions to date have benefitted from relatively short mission durations and chosen orbits that have less severe particle populations than their larger counterparts. As mission objectives grow and become reliant on their chosen devices operating for longer lives and in more harsh environments, requirements need to reflect the changing scope but not hinder design adoptions from previously successful missions that provide new capabilities. This presentation describes notable differences in radiation environments, the requirement changes that come with choice of orbit, and prioritizations for mission success criteria to be determined by the designers of the system and subsystems. Test methodologies based on radiation effect categories are explained briefly; when they are needed. Similarity data (and its limitations) are discussed so that caveats and short-comings are understood. Reliability and assurance quantification may not always be possible, but determining where risks are taken and how to classify them is the essential topic for the intended practice: to establish radiation requirements with the goal of getting to mission success.


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    Titel :

    Modern Hardness Assurance: A Brand New Game Except When it Isn't


    Beteiligte:

    Kongress:

    Single Event Effects (SEE) Symposium/Military and Aerospace Programmable Logic Devices (MAPLD) Workshop (SEE-MAPLD) ; 2019 ; La Jolla, CA, United States


    Erscheinungsdatum :

    2019-05-20


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





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