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On optimal age replacement policy for a class of coherent systems
Journal of Computational and Applied Mathematics ( IF 1.883 ) Pub Date : 2020-03-25 , DOI: 10.1016/j.cam.2020.112888
Serkan Eryilmaz; Mustafa Hilmi Pekalp

According to the well-known age replacement policy, the system is replaced preventively at time t or correctively at system failure, whichever occurs first. For a coherent system consisting of components having common failure time distribution which has increasing failure rate, we present necessary conditions for the existence of the unique optimal value which minimizes the mean cost rate. The conditions are mainly based on the signature which only depends on the system’s structure. The results are illustrated for linear and circular consecutive type systems.
更新日期:2020-03-26

 

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