Fuzzy reasoning based fault diagnosis expert system

To the uncertainty problems exist in equipment fault diagnosis, putting forward the method of fault diagnosis that combine fuzzy logic with expert system. Fuzzy producing rule is adopted in fuzzy expert system to express knowledge obtained, and fuzzy matching is adopted in the uncertainty reasoning process, also the confidence degree is taken as the choosing standard in conflict resolution strategy. In the application of gas chromatograph analysis fault diagnose, via setting up fuzzy expert system, fuzzy fault diagnosis is executed to discern the real reason of the fault more reliable.