基于可靠度确定长贮装备最优检测周期的模式模型

长贮装备贮存或检测后，其可靠性均有不同程度的下降。设装备的寿命服从于一般的分布，整个系统分为检测和不检测两类；参与检测系统的检测周期为T，且一旦检测出故障马上进行修理。修理以后已不再是开始的状态，而是相当于使用了一段时间Y，按修理后Y的分布函数求得两类子系统的平均维修费用并按贮存后可靠性的变化规律求得子系统的可靠度。最后以装备贮存可靠性为约束条件某一检测间隔期总费用最小为目标函数求得最优检测周期的优化模型。

Testing period optimal model about storage reliability of equipment

The reliability of equipment is degraded after storage or test.The equipment is composed of two types of sub-systems;test and non-test; The testing period is Tand repair must be put up when any failure occurred.Suppose the Life of each of them obeys general distribution separately.For the testing sub-system,the condition is not belongs to the former after repair but correspond to using time Y.This paper puts forward the distrbution function of Y.According to Y,the reliability of the sub-system and the cost of any testing Period are derived The reliability and the cost of the non-testing sub-system are obtained by its distribution function and Life degenerate coefficient.Thus,the reliability and the Cost of the equipment are attained.The optimal model is presented about the minimal costs and the level of certain reliability.