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Reliable fail-safe systems

By Marcelo Lubaszewski and B. Courtois


A fault-tolerant scheme is presented which is based on two copies of a self-checking module and a fail-safe interface. The interface preserves the modules' safety and becomes fault-tolerant by embedding appropriate self-testing capabilities. We show that, for self-checking module area overheads not exceeding the theoretical upper bound of square root 3-1 (73%), our fault-tolerant scheme is more reliable than the triplicated modular redundant structure

Topics: fault-tolerant-scheme, self-checking-module, fail-safe-interface, safety-, self-testing, area-overheads, PACS 85.42, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Publisher: IEEE Comput. Soc. Press, Los Alamitos, CA, USA
Year: 1993
OAI identifier: oai:HAL:hal-00007939v1
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