摘 要基于可靠性的分配在国内外的发展,经大量查阅资料,详尽的介绍可靠性的一般性方法。针对可靠性的一般性方法存在的缺点,本文介绍了一些可靠性改进方法。最后通过双质量可靠度分配的实例,具体介绍了模糊层次法在可靠性分配的应用,证明了可靠性分配的良好实用性。关键词:可靠性分配;机械设计;模糊层次分析 AbstractBased on reliability allocation development from domestic to oversea, via consulting many literatures, the general reliability allocation methods are described in detail. Aimed at the flaws of general methods,this paper introduces the improved reliability allocatio