Allocation policies of redundancies in two-parallel-series and two-series-parallel systems

Henry Laniado Rodas

DES - Working Papers. Statistics and Econometrics. WS from Universidad Carlos III de Madrid. Departamento de Estadística

Abstract: In this paper comparisons of allocation policies of components in two-parallel-series systems with two types of components are provided with respect to both, the hazard rate and the reversed hazard rate orders. The main results indicate that the life of this kind of system is stochastically maximized by unbalancing as much as possible the two classes of components. We only assume that the two distributions implied in the model have proportional hazard rates. The same type of comparisons are also given for the dual model, the two-series-parallel systems but assuming that the distributions implied in the model have proportional reversed hazard rates, and therefore the final conclusion is the opposite; that is, the reliability of the system improves as the similarity between the two parallel subsystems increases

Keywords: Parallel-series; system; Series-parallel; system; Redundancy; Hazard; rate; order; Reversed; hazard; rate; order; Proportional; hazard; rates (search for similar items in EconPapers)
Date: 2013-07
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Persistent link: https://EconPapers.repec.org/RePEc:cte:wsrepe:ws132622

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