信頼性設計における信頼度と信頼水準の統合の試み : 強度が2母数ワイブル分布に従う場合

概要

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In reliability-based design and testing, reliability R(= 1 - P) and confidence level C( = 1 - γ) are usually used in a combined manner. In the previous paper, an attempt was made to use the mean reliability as a one-dimensional measure. In the present paper, this idea was applied to determination of the design allowable stress S_a given that strength follows a two-parameter Weibull distribution W(α, β). The factor k in the expressions of S_a= β^^^/k^<1/a> for the case when only the scale Parameter β is unknown and S_a= β^^^/k^<1/a> for the case when both the shape and scale parameters are unknown was determined based on this idea. The variations of k with the sample size n were obtained by a theoretical analysis and Monte-Carlo simulation.
一般社団法人日本機械学会の論文
1993-02-25