The Fuzzy Multiple Attribute Decision-Making Inferential Modal of fault auto-diagnosis was presented to deal with the failure of rotating machine in which the attribute value is fuzzy completely. Inferential process is as follows: By frequency analysis, the assumptive fault matrix can be get, and the attribute value can be received from computer interface. Based on above results, the decision-making matrix is built. Use entropy to decide additive weight. Take advantage of compromise model to compute the fuzzy distance between every assumptive fault matrix and the fault sample matrix. Finally, the assumptive fault matrix is ranked over again. The fault diagnosis is fulfilled automatically.
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