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Fault Diagnosis of TV Transmitters Based on Fuzzy Petri Nets

TV transmitters are complicated electronic equipment and the fault diagnosis of such equipment is difficult. This paper presents a novel fault diagnosis approach based upon fuzzy Petri net. First of all the knowledge of fault diagnosis is summarized into fuzzy rules; secondly the fuzzy rules are translated into fuzzy Petri net by an algorithm; thirdly the fault diagnosis is implemented by a parallel reasoning algorithm based on fuzzy Petri net. The paper studied the algorithm to construct a fuzzy Petri net by fuzzy rules and the algorithm to accomplish the fault reasoning. A case of TV transmitter fault diagnosis is discussed to explain the approach presented in this paper.