文化大學機構典藏 CCUR:Item 987654321/17840
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/17840


    题名: Fuzzy System Reliability Analysis Using Triangular Fuzzy Numbers Based on Statistical Data
    作者: 姚景星
    蘇金石
    施登山
    贡献者: 應數系
    关键词: statistical data
    signed distance
    i-v fuzzy number
    triangular fuzzy number
    fuzzy reliability
    日期: 2008-09
    上传时间: 2010-11-25 15:34:24 (UTC+8)
    摘要: In this article, we use the fuzzy concept to consider the reliability of serial system and the reliability of parallel system. Since the population reliability R(subscript j) of the subsystem P(subscript j) (j=1, 2, …, n) is unknown, if we use the point estimate (average)R(subscript j) to estimate R(subscript j) from the statistical data in the past, we don't know the probability of the error (average)R(subscript j)-R(subscript j). Moreover, the reliability of the system may fluctuate around the point estimate (average)R(subscript j) during a time interval. It follows that to use the point estimate (average)R(subscript j) to estimate the population reliability R(subscript j) is not suitable for the real cases. Therefore, it is more desirable to use the statistical confidence interval. Moreover, the probability of the error (average)R(subscript j)-R(subscript j) can also be solved. In this paper, we use the statistical confidence interval instead of the point estimate. We transfer the statistical confidence interval into the triangular fuzzy number. Through these triangular fuzzy numbers, we consider the fuzzy reliability system. We fuzzify the reliability of both the serial and parallel systems. Through defuzzifying the fuzzy reliability using the signed distance method; we get a fuzzy estimate of reliability in the two systems.
    關聯: Journal of Information Science and Engineering 24卷5期 P.1521-1535
    显示于类别:[應數系] 期刊論文

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