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Self-Repairing Embryonic Memory Arrays
Seattle, Washington, USA June 24-June 26
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/EH.2004.13108212004 NASA/DoD Conference on Evolvable ...
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Lucian Prodan, University of Timisoara, Romania
Mihai Udrescu, University of Timisoara, Romania
Mircea Vladutiu, University of Timisoara, Romania
Space applications endorse the quest for dependable computing as a vital requirement instead of an expendable quality indicator. A novel direction in designing digital systems with superior dependability is based on bio-inpiration. As a key representative, the Embryonics project implements bio-inspired robustness, the backbone of its fault tolerance being a two level, hierachical self-repair. However, the outer space radiation-hard environment is especially harsh to electronic devices, causing a variety of errors (soft fails). The memory structures employed by Embryonics cannot be protected by its self-repairing mechanism. Therefore we investigate the causes and influences of soft fails over the current Embryonics framework and propose a solution for the identified vulnerability based on error correcting codes. We also provide a reliability comparison between memory structures with and without error correcting codes.
Citation:
Lucian Prodan, Mihai Udrescu, Mircea Vladutiu, "Self-Repairing Embryonic Memory Arrays," eh, pp.130, 2004 NASA/DoD Conference on Evolvable Hardware (EH'04), 2004
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