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基于区间分析的数控机床可靠性模糊综合分配方法

Keywords: 数控机床,可靠性分配,区间分析,模糊综合评判,层次分析法

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Abstract:

为了解决数控机床可靠性分配过程中具有多种影响因素且有些因素难以定量分析的问题,研究了一种将区间分析、模糊综合评判和层次分析法相结合的可靠性综合分配方法.综合考虑多种影响因素,根据影响程度大小给每个因素赋予相应的权重;使用模糊区间数代替实数来表达不确定信息,综合利用现场试验信息和专家经验,建立了数控机床可靠性分配模型;结合实例进行了整机的可靠性分配.结果表明,该方法是可行的,且能有效解决目前数控机床可靠性分配中存在的主要问题.

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