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Simulation and Analysis of In-Orbit Applications under Radiation Effects on COTS Platforms


Publication Type:

Conference/Workshop Paper


42nd IEEE Aerospace Conference 2021


Radiation effects research is crucial as it defines risk to both human bodies and spacecraft. Employing radiation-hardened products is one way to mitigate radiation effects on in-orbit systems. However, radiation effects prohibit most of the state-of-the-art commercial off-the-shelf (COTS) technologies from use in space. Furthermore, radiation effects on software components are less studied compared to hardware components. In this work, we introduce a simulation tool that analyzes the impact of radiation effects on schedulability of task sets executing on COTS system-on-chip (SoC) platforms in the in-orbit systems. In order to provide a meaningful verification environment, single-event effects (SEEs) are introduced as aleatory disturbances characterized by probability distribution of occurrence using their predefined models. The tool supports interoperability with several other tools as it uses the extensible markup language (XML) model files for input and output, i.e., for importing input task sets and radiation effects and exporting the simulation results.


author = {Nandinbaatar Tsog and Saad Mubeen and Moris Behnam and Mikael Sj{\"o}din and Fredrik Bruhn},
title = {Simulation and Analysis of In-Orbit Applications under Radiation Effects on COTS Platforms},
month = {March},
year = {2021},
booktitle = {42nd IEEE Aerospace Conference 2021},
url = {}