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航电总线系统结构复杂,各部件相互耦合,故障传播模式多样化。因此,为了处理故障诊断中不充分和模糊的信息,提出了将模糊Petri网应用到航电总线系统的故障诊断中,构建出其故障的传播模型,并在模型的基础上,给出有效的推理算法。表明利用模糊Petri网,可以建立航电总线系统的故障传播模式的模型,清晰地反映故障的产生、发展及影响。
The structure of avionics bus system is complex, the components are coupled with each other and the modes of fault propagation are diversified. Therefore, in order to deal with the inadequate and fuzzy information in fault diagnosis, this paper proposes to apply fuzzy Petri nets to the fault diagnosis of avionics bus system and construct the propagation model of fault. Based on the model, an effective Reasoning algorithm. It shows that the model of fault propagation mode of avionics bus system can be established by using fuzzy Petri nets to clearly reflect the generation, development and influence of faults.