1979
DOI: 10.1109/tr.1979.5220452
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Comments on the Lapp - Powers "Computer-Aided Synthesis of Fault Trees

Abstract: Large or fast Moderate external positive loop external disturbances disturbances Purpose: Widen state of the ut unstable enter the loop enter loop cause cause deviation deviation in Special math needed: Fault tree logic AND of variable on loop variable Results useful to: Reliability analysts, Fault-tree researchers r ORI Noise Loop is positive (true)

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Cited by 26 publications
(7 citation statements)
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“…In the algorithm for the synthesis of that portion of the fault tree representing the propagation of failures through negative feedback loops, each set of inputs to each node lying on the loops is handled separately in recognition of the fact that failures of the loop between the node of interest and the node at which the loop(s) is first encountered nullify the effect of the set of inputs as well as the loop. This necessary feature has also recently been emphasized by Lambert (1979).…”
Section: An Algorithm For Fault Tree Synthesismentioning
confidence: 75%
“…In the algorithm for the synthesis of that portion of the fault tree representing the propagation of failures through negative feedback loops, each set of inputs to each node lying on the loops is handled separately in recognition of the fact that failures of the loop between the node of interest and the node at which the loop(s) is first encountered nullify the effect of the set of inputs as well as the loop. This necessary feature has also recently been emphasized by Lambert (1979).…”
Section: An Algorithm For Fault Tree Synthesismentioning
confidence: 75%
“…The digraphbased fault-tree synthesis strategy was first proposed by Lapp and Powers (1977). Numerous other studies concerning its applications and modifications have been published in the literature (Allen, 1984;Allen and Rao, 1980;Andrews and Brennan, 1990;Andrews and Morgan, 1986;Chamow, 1978;Cummings et al, 1983;Lambert, 1979;Lapp and Powers, 1979;Shaeiwitz et al, 1977). Essentially, a digraph provides an intermediate step which gives explicit causal relationships between the process variables, human errors and equipment failures, from which the fault trees can be constructed accordingly.…”
Section: Introductionmentioning
confidence: 99%
“…The digraph-based fault-tree synthesis strategy was first proposed by Lapp and Powers [13]. Numerous other studies concerning its applications and modifications have been published in the literature [1]- [6], [9], [12], [14], [16]. Essentially, a digraph provides an intermediate step which gives explicit causal relationships between the process variables, human errors and equipment failures, from which the fault trees can be constructed accordingly.…”
Section: Introductionmentioning
confidence: 99%