The Comparison of Two-Unit Standby Redundant System with Two and Three States of Units

Antonín Lešanovský
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Antonín Lešanovský: Mathematical Institute of the Czech. Acad. of Sci.

A chapter in Probability and Statistical Inference, 1982, pp 239-250 from Springer

Abstract: Abstract A cold-standby redundant system with two identical units and one repair facility is considered. Units can be in three states: good (I), degraded (II), and failed (Ill). We suppose that only following state-transitions of a unit are possible: I→II, II→III, II→I, III→I. The repair of a unit of the type II→I can be interpreted as a preventive maintenance. Its realization depends on states of both units. The oases that this preventive maintenance is carried out always or never, respectively, are compared as to mean time to system failure and stationary system availability. It is shown on examples that the comparison in the senses mentioned above is not the same.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-94-009-7840-9_22

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DOI: 10.1007/978-94-009-7840-9_22

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