加权模糊Petri网在故障诊断中的应用

提出了一种对复杂装备进行故障诊断的加权模糊Petri网模型,并对于装备故障传播的逻辑关系进行了描述。然后,根据实际的故障诊断中的不确定推理问题,给出了一种新的加权模糊推理算法,以更加符合工程实际。为提高诊断时的并行推理能力,给出了诊断推理的形式化算法。用实际的诊断案例说明了该方法的有效性。

Application of Weighted Fuzzy Petri Net in Fault Diagnosis

For the fault diagnosis problem of complicated equipment, a weighted fuzzy Petri nets model is presented, and described the logic relationship of fault transmission. For the uncertain reasoning problem of fault diagnosis, a new weighted fuzzy reasoning algorithm is proposed to adapt well to the engineering reality. The formalized algorithm of diagnosis reasoning to enhance the parallel reasoning ability is given. Finally, an actual fault diagnosis example explain the validity of the method.