非瞬时检测系统的最优检测策略

Research on optimal checking policies of systems when duration of checking is non negligible

研究非瞬时检测系统的检测策略问题 ,假定系统有 2种工作状态 (正常及异常 )和 1种故障状态 ,当系统工作时 ,为了判断系统是正常还是异常 ,每隔一段时间对系统检测一次 ,检测时间是任意连续型随机变量 .利用概率分析和补充变量方法 。

In this paper, the optimal checking policies of a system are discussed. The system has 2 working modes (normal and abnormal) and a failure mode. When the system is operating, it is checked once every time period to make sure it is in normal or abnormal. And, the duration of checking is a general random variable. The optimal checking cycle and diagnostic critical value of the system are obtained by using probability analysis and the supplementary variable technique.