Protection Scheme for Star Tracker Images
IEEE Transactions on Aerospace and Electronic Systems(2019)
摘要
Radiation effects in star trackers can cause malfunctions that may lead to the loss of communication with the satellite. This paper presents a scheme to protect star tracker images stored in memory against single event upsets (SEUs). Fault injection and resource utilization reports show that, with the protection technique, 99.98% of the SEUs can be corrected using 37% less memory space than single error correction Hamming codes. The remaining 0.02% has a negligible effect in the star identification algorithm.
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关键词
Field programmable gate arrays,Microprocessors,Satellites,Random access memory,Memory management,Error correction codes,Image processing
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