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Evolvable Hardware, NASA/DoD Conference on (2004)
Seattle, Washington, USA
June 24, 2004 to June 26, 2004
ISBN: 0-7695-2145-2
pp: 130
Mircea Vladutiu , University of Timisoara, Romania
Mihai Udrescu , University of Timisoara, Romania
Lucian Prodan , 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.
Mircea Vladutiu, Mihai Udrescu, Lucian Prodan, "Self-Repairing Embryonic Memory Arrays", Evolvable Hardware, NASA/DoD Conference on, vol. 00, no. , pp. 130, 2004, doi:10.1109/EH.2004.1310821
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