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Advanced Information Processing System (AIPS)-based fault tolerant avionics architecture for launch vehicles

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6 Author(s)
Lala, J.H. ; Charles Stark Draper Lab. Inc., Cambridge, MA, USA ; Harper, R.E. ; Jaskowiak, K.R. ; Rosch, G.
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An avionics architecture for the advanced launch system (ALS) that uses validated hardware and software building blocks developed under the advanced information processing system program is presented. The AIPS for ALS architecture is preliminary, and reliability requirements can be met by the AIPS hardware and software building blocks that are built using the state-of-the-art technology available in the 1992-3 time frame. The level of detail in the architecture definition reflects the level of detail available in the ALS requirements. As the avionics requirements are refined, the architecture can also be refined and defined in greater detail with the help of analysis and simulation tools. A useful methodology is demonstrated for investigating the impact of the avionics suite to the recurring cost of the ALS. It is shown that allowing the vehicle to launch with selected detected failures can potentially reduce the recurring launch costs. A comparative analysis shows that validated fault-tolerant avionics built out of Class B parts can result in lower life-cycle-cost in comparison to simplex avionics built out of Class S parts or other redundant architectures

Published in:

Digital Avionics Systems Conference, 1990. Proceedings., IEEE/AIAA/NASA 9th

Date of Conference:

15-18 Oct 1990