摘要
In this paper, we consider the replacement of a single unit with catastrophic failure mode. Besides replaced at a preset time, the unit is also replaced at failure time or if it encounters a production wait and its age has reached a threshold. The joint preventive maintenance interval and threshold optimization problem are formulated with the objective of minimizing the expected cost per unit time in long run. A numerical example is presented to illustrate the applicability of the model.
In this paper, we consider the replacement of a single unit with catastrophic failure mode. Besides replaced at a preset time, the unit is also replaced at failure time or if it encounters a production wait and its age has reached a threshold. The joint preventive maintenance interval and threshold optimization problem are formulated with the objective of minimizing the expected cost per unit time in long run. A numerical example is presented to illustrate the applicability of the model.
基金
the National Natural Science Foundation of China(Nos.11426084,11001005,71231001,71301009 and 71420107023)
the China Postdoctoral Science Foundation Funded Project(No.2013M530531)
the Natural Science Foundation of Hebei Province(No.A2014208133)
the Foundation of Hebei Education Department(No.QN2014132)
the Ministry of Education Doctor of Philosophy Supervisor Fund(No.20120006110025)
