介绍了故障树分析法和模糊故障树分析法的基本特点和步骤，重点介绍了故障树的定性分析和定量分析的基本原理。
The basic trait and step of the FTA and the fuzzy fault tree analysis are introduced, especially the basic theory of the qualitative analysis and the quantitative analysis.
研究表明模糊因果图能有效地用于故障分析，比原来的因果图方法具有更大的灵活性和适应性。
The research shows that Fuzzy Causality Diagram is so effective in fault analysis, and it is more flexible and adaptive than conventional method.
针对汽轮机转子故障分类问题，采用模糊数学和自组织特征映射神经网络方法诊断汽轮机转子的故障。
In the light of the problems involved in a steam turbine rotor fault diagnosis proposed in this paper is a new diagnostic method based on a fuzzy self organizing neural network.
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