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本文在模糊产生式规则的基础上引入了加权模糊连接算子的概念,并研究了征兆的类型。在此基础上,为旋转机械模糊诊断知识提出了一个灵活的知识表达方法——广义模糊产生式规则。在征兆类型的基础上引入了征兆认可因子的概念.利用这一概念来描述模糊蕴涵关系的语义,基于征兆认可因子提出了一个模糊推理算法。文中还给出了由基于这一广义模糊产生式规则和模糊推理算法建立的透平压缩机组故障诊断专家系统ETHYLENE得到的两个诊断结果。
Based on the rules of fuzzy production, this paper introduces the concept of weighted fuzzy connection operators and studies the types of signs. On this basis, a flexible method of knowledge expression - generalized fuzzy production rules is proposed for the knowledge of rotating machinery fuzzy diagnosis. Based on the type of symptom, the concept of symptom recognition factor is introduced, and the semantic meaning of fuzzy implication is described by using this concept. A fuzzy reasoning algorithm is proposed based on symptom recognition factor. In the paper, two diagnostic results obtained by ETHYLENE, a fault diagnosis expert system based on the generalized fuzzy production rule and fuzzy inference algorithm, are also given.