A Study on the Characteristics of A Kind of Neuman Sources of Trouble
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摘要: 针对故障源作用下的系统可靠性的评估问题,建立了一种具有实输入数组的新的 Neuman型故障源(实故障源)的模型,并应用概率分析的方法评估了在这种故障源作用下由 函数元构成的系统的可靠性,给出了系统可靠性的下界估计,阐明了在实故障源作用下的基 底上不可能建立任意可靠的系统.最后研究了满足实故障源条件的函数元基在所有函数元基 中所占的比例,并给出了它的渐近估计.
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关键词:
- Neuman型故障源 /
- 实故障源 /
- 函数元系统 /
- 故障函数
Abstract: A new model of Neuman sources of trouble-sources of trouble possessing real input sets (STPRIS)-is presented to estimate the system reliability under sources of trouble. Probability analysis method is adopted to estimate the reliability of the systems consisting of functional element under sources of trouble. The lower bound of the reliability is derived. The result shows that no arbitrarily reliable system can be constructed under STPRIS. For the base consisting of functional elements, we then study the scale of a base satisfying the condition of STPRIS to all bases. The asymptotic estimation of the scale is given. -
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