Highly Survivable Avionics Systems for Long-Term Deep Space Exploration

Details Highly Survivable Avionics Systems for Long-Term Deep Space Exploration Highly Survivable Avionics Systems for Long-Term Deep Space Exploration

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001iaop.work....1a&link_type=abstract

Forum on Innovative Approaches to Outer Planetary Exploration 2001-2020, p. 1

Computer Science

Software Engineering

Aerospace Systems, Avionics, Commercial Off-The-Shelf Products, Reliability Analysis, Redundant Components, Software Engineering, Distributed Processing, Architecture (Computers)

Scientific paper

The design of highly survivable avionics systems for long-term (> 10 years) exploration of space is an essential technology for all current and future missions in the Outer Planets roadmap. Long-term exposure to extreme environmental conditions such as high radiation and low-temperatures make survivability in space a major challenge. Moreover, current and future missions are increasingly using commercial technology such as deep sub-micron (0.25 microns) fabrication processes with specialized circuit designs, commercial interfaces, processors, memory, and other commercial off the shelf components that were not designed for long-term survivability in space. Therefore, the design of highly reliable, and available systems for the exploration of Europa, Pluto and other destinations in deep-space require a comprehensive and fresh approach to this problem. This paper summarizes work in progress in three different areas: a framework for the design of highly reliable and highly available space avionics systems, distributed reliable computing architecture, and Guarded Software Upgrading (GSU) techniques for software upgrading during long-term missions. Additional information is contained in the original extended abstract.

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