NDLI: Argus: A flight campaign for modeling the effects of space radiation on modern electronics

Content Provider	IEEE Xplore Digital Library
Author	Swartwout, M. Jayaram, S. Reed, R. Weller, R.
Copyright Year	2012
Description	Author affiliation: Saint Louis University, 3450 Lindell Blvd St. Louis, MO 63103 (Swartwout, M.; Jayaram, S.) \|\| Vanderbilt University, VU Station B 351553, Nashville, TN 37235-1553 (Reed, R.; Weller, R.)
Abstract	The effects of radiation on modern electronics are not well understood; devices with length scales below 60 nm are sensitive across a wider range of input energies and respond differently to different species than larger devices. This is not a trivial issue: existing predictive failure models are off by as much as three orders of magnitude. Complicating the problem is that modern devices have dozens of operating modes, requiring orders of magnitude more testing time. This increase in the required time (and cost) for ground testing, coupled with the greatly reduced cost (and development time) for space experimentation via CubeSats, has made spaceflight a sensible complement to ground testing. The Institute for Space and Defense Electronics (ISDE) at Vanderbilt University has partnered with the Space Systems Research Laboratory at Saint Louis University to develop Argus, a proposed flight campaign of perhaps a dozen CubeSat-class spacecraft spanning years. Argus will fly an array of radiation-effects modeling experiments; on-orbit event rates will be compared against ground predictions to help calibrate new predictive models developed at ISDE. Argus leverages COTS CubeSat systems and the extremely simple payload requirements to field a set of very low-cost, very automated passive platforms developed by students at both institutions. This paper will describe the challenges in modeling radiation effects on modern electronics as well as the new models developed at ISDE. The Argus campaign concept and drivers will be discussed, and the first two missions will be presented: COPPER, which flies in late 2012, and Argus-High, proposed for a 2013 launch.
Starting Page	1
Ending Page	11
File Size	2109860
Page Count	11
File Format	PDF
ISBN	9781457705564
ISSN	1095323X
e-ISBN	9781457705571
DOI	10.1109/AERO.2012.6187028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space vehicles Payloads Aerospace electronics Testing Educational institutions Monitoring Predictive models
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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