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The Reliability Impact of Mission Abort Strategies on Redundant Flight Computer Systems
July 1974 (vol. 23 no. 7)
pp. 739-743
R.J. Filene, C. S. Draper Laboratory, Inc.
This correspondence presents a reliability model for a redundant flight computer system with. standby sparing, taking into account various mission abort strategies. A mission rule to initiate a mission abort after a predetermined number of detected computer failures and to return to earth with the remaining computers is shown to result in: 1) little improvement of crew safety unless computer error coverage is nearly perfect, and 2) significant degradation in mission success whenever coverage is high.
Index Terms:
Aerospace computers, computer system reliability modeling, coverage, crew safety probability, mission abort strategies, mission success probability.
Citation:
R.J. Filene, W.M. Daly, "The Reliability Impact of Mission Abort Strategies on Redundant Flight Computer Systems," IEEE Transactions on Computers, vol. 23, no. 7, pp. 739-743, July 1974, doi:10.1109/T-C.1974.224023
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