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Pregled bibliografske jedinice broj: 3509

Časopis

Autori: Hocenski, Željko; Veizer, Berislav
Naslov: Experimental Evaluation of Dependability of Standby Fault-Tolerant Microcomputer System by Fault Injection
( Experimental Evaluation of Dependability of Standby Fault-Tolerant Microcomputer System by Fault Injection )
Izvornik: Automatika : časopis za automatiku, mjerenje, elektroniku, računarstvo i komunikacije (0005-1144) 37 (1996), 3-4; 117-120
Vrsta rada: članak
Ključne riječi: cold standby; fault coverage; fault injection; fault tolerance; microcomputer
( cold standby; fault coverage; fault injection; fault tolerance; microcomputer )
Sažetak:
The fault-tolerant system based on cold spare standby is made by microprocessor modular systems. The dependability of this system is evaluated by using the fault injection into the bus lines. The fault injector equipment consists of one personal computer and additional extended hardware. The used fault injection method performs the flexible location for injection, variable impulse duration and the choice of the injected signal logical level. The results of testing are given as the number of detected faults of the active unit and the number of failures of the whole system as a function of fault duration. The fault detection coverage and fault recovery coverage are evaluated for nonredundant and redundant software by using the probability of fault occurrence based on observed bus activity and the registered number of faults. The recovery coverage for the system with redundant software is much better than for the system with nonredundant software, but many of faults are masked, so that fault detection coverage is not well known for the system with redundant software.
Projekt / tema: 036006
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Elektrotehnika
URL cjelovitog teksta:
Google Scholar: Experimental Evaluation of Dependability of Standby Fault-Tolerant Microcomputer System by Fault Injection



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