The optimal control policy of machine service rate and preventive maintenance rate is derived from Markovian optimal decision process formulation.
我们运用马尔可夫最优决策过程归纳方法，导出机器服务率和预防维护率的最优控制策略。
The article discusses the present situations and main trouble causes for analytical instruments. Preventive maintenance is proposed as a main method to lower the trouble rate for the instruments.
探讨了大型分析仪器的现状和故障的主要成因，提出了以预防性维修为主的降低仪器故障率的方法。
So the characteristics of the units failure rate are analyzed to obtain the probabilities of the minimal maintenance and probabilities of replacement due to failure, opportunistic and preventive.
分析了系统的故障率特性，确定了系统中各部件最小维修、故障更换、机会更换、预防性更换的概率。
To reduce warranty cost efficiently and to make the cost more suitable for real status, a modeling method for preventive maintenance of warranty products was proposed with failure rate reduction.
为了有效地降低质保成本，使成本模型更切合实际情况，提出了基于失效减缓的质保产品预防性维护建模方法。
To reduce warranty cost efficiently and to make the cost more suitable for real status, a modeling method for preventive maintenance of warranty products was proposed with failure rate reduction.
为了有效地降低质保成本，使成本模型更切合实际情况，提出了基于失效减缓的质保产品预防性维护建模方法。
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