【作者】 刘云； 温小霓； 赵玮；

【Author】 Liu Yun~1 Wen Xiaoni~1 Zhao Wei~1 School of Economy and Management,Xidian University,Xi’an 710071,China.

【机构】 西安电子科技大学经济管理学院；

【摘要】 本文基于信息熵理论,根据系统的最小割集,提出了一种系统故障诊断策略．该策略综合考虑了系统的故障检测时间以及随时间发生变化的底事件的重要度、底事件发生的概率、故障诊断所花费的检测费用等因素．应用实例表明,采用该策略所得到的检测序列的总平均费用比其他检测序列的总平均费用少．更多还原

【Abstract】 Based on information entropy,this paper proposes a system fault diag- nosis strategy according to the minimal cut sets(MCT).The importance of the basic event,the probability of the fault occurrence,and the inspection cost that may change with time as well as the inspection time are all taken into account for this strategy.An example is given as the application of the fault diagnosis strategy,and the result shows the total average cost of the resulting inspection sequence from the proposed diagnosis strategy is less than those of other possible inspection sequence.更多还原