Abstract
On board computers for spacecrafts are required to work for a long period of time with a very high reliability. The design of such a computer has to be accomplished within major constraints such as use of high reliability components, low power consumption, minimum weight and volume. This paper describes a Radiatioin Hardened (R/H) 80C86 processor based On-Board Computer System (OBCS) for attitude and orbit control of INSAT-2 spacecraft, which incorporates a number of novel fault-tolerant features that do not have major overheads in terms of either hardware or software or processing time. The paper concludes with suggestions for improving the performance of On-Board computers for future spacecrafts.
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© 1994 Springer-Verlag Berlin Heidelberg
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Kishore, J.K., Manjunatha, R.S., Agrawal, V.K., Malik, N.K., Goel, P.S. (1994). A real time fault tolerant microprocessor based On-Board Computer System for INSAT-2 spacecraft. In: Langmaack, H., de Roever, WP., Vytopil, J. (eds) Formal Techniques in Real-Time and Fault-Tolerant Systems. FTRTFT ProCoS 1994 1994. Lecture Notes in Computer Science, vol 863. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-58468-4_179
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DOI: https://doi.org/10.1007/3-540-58468-4_179
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