2020
DOI: 10.1049/cje.2020.03.015
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Design and Analysis of Double One Out of Two with a Hot Standby Safety Redundant Structure

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Cited by 7 publications
(4 citation statements)
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References 20 publications
(12 reference statements)
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“…Yet, often such systems are implemented in a way that when a secondary system works, it gives responses only on read-only activities. Writes are configured only on primary system which is never off for a long time [6]. A message about temporary write unavailability may be posted or the right requests might be collected in a que and performed as soon as the initial system is on and running.…”
Section: Hot Standbymentioning
confidence: 99%
“…Yet, often such systems are implemented in a way that when a secondary system works, it gives responses only on read-only activities. Writes are configured only on primary system which is never off for a long time [6]. A message about temporary write unavailability may be posted or the right requests might be collected in a que and performed as soon as the initial system is on and running.…”
Section: Hot Standbymentioning
confidence: 99%
“…This level can be determined in terms of the probability of failure on demand per hour (PFH). According to the international standards IEC 61511 [3] or IEC 61508 [4], several methods are proposed to evaluate a safety instrumented system, such as fault tree analysis in [5]- [9], and Markov models in [10]- [20]. In terms of qualitative analysis, Markov models represent different states of the system throughout its life cycle.…”
Section: Introductionmentioning
confidence: 99%
“…The 2oo3 model used in this approach does not illustrate the different states that the system can take. In [19], [20], the authors perform a comparative analysis of different architectures to be implemented in safety critical computing systems. They employ Markov models to evaluate safety levels and various design parameters for different system configurations and find that both 1oo2 and 2oo3 configurations can effectively reduce the average probability of failure.…”
Section: Introductionmentioning
confidence: 99%
“…Redundant systems are widely used in aerospace, nuclear power, train control system, and other high-risk fields. [1][2][3] Due to the restraint of complex structure and expansion, reliability test of redundant system is difficult, reliability prediction of redundant system is generally researched in probabilistic inference view. According to the failure distributions of units and the logical structure, the system's reliability is calculated.…”
Section: Introductionmentioning
confidence: 99%