Based on the concepts of randomness and fuzziness, a fuzzy reliability analysis method of probability density function equivalent is proposed in this article.
依据随机性和模糊性的基本概念，提出了当量概率密度函数的模糊可靠性分析方法。
Analytic result is illustrated to show that the method is suitable to probability fuzzy design of other machine system.
分析结果表明该模型建立方法亦适合其他机械系统的概率模糊设计。
For fuzzy reliability analysis with fuzzy failure state and fuzzy safety state, a moment method is proposed to calculate fuzzy failure probability.
针对失效状态和安全状态具有模糊性的模糊可靠性分析问题，提出了一种模糊失效概率计算的矩方法。
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