An Adaptive Correction Method of Diagnosis Experience in Rotating Machinery Fault Diagnosis Knowledge Base
A technology for fault diagnosis and rotating machinery, applied in neural learning methods, knowledge expression, reasoning methods, etc., can solve problems such as representation and difficult mapping relationships, achieve high reliability and credibility, and achieve the effect of self-adaptive correction
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[0068] Hereinafter, the present invention will be further described in detail with reference to the accompanying drawings.
[0069] like figure 1 As shown in the figure, an adaptive correction method for diagnosis experience in a fault diagnosis knowledge base of rotating machinery includes the following steps:
[0070] (1) Collect failure cases and form a sample set of failure cases;
[0071] select feature x i ,i=1,2,...,m as the symptom of fault diagnosis, where m is the number of symptoms; choose fault y j ,j=1,2,...,n as faults, where n is the number of faults; the fault case samples are expressed in the form of symptoms and their corresponding faults, and the total number of fault samples is set to l 1 , the fault sample is expressed as:
[0072]
[0073] (2) Collect expert fault diagnosis experience, and use symptom exhaustive method to form fault experience sample set;
[0074] The expert fault diagnosis experience is expressed in the form of generalized produc...
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