Zhang, Y.L. and Wu, S. (2009) Reliability Analysis for a k / n (F) System with Repairable Repair-Equipment. Applied Mathematical Modelling, 33 (7). pp. 3052-3067. ISSN 0307-904X .
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In this paper, the reliability and replacement policy of a k / n (F) (i.e. k-out-of-n: F) system with repairable repair-equipment is analyzed. We assume that both the working and repair times of all components in the system and the repair-equipment follow exponential distributions, and the repairs on the components are perfect whereas that on the repair-equipment is imperfect. Under these assumptions, by using the geometric process, the vector Markov process and the queueing theory, we derive reliability indices for such a system and discuss its properties. We also optimize a replacement policy N under which the repair-equipment is replaced whenever its failure number reaches N. The explicit expression for the expected cost rate (i.e. the expected long-run cost per unit time) of the repair-equipment is derived, and the corresponding optimal replacement policy N* can be obtained analytically or numerically. Finally, a numerical example for policy N is given.
|Uncontrolled keywords:||Geometric process, M / M / 1 queueing system, Repairable repair-equipment, Supplementary variables, Vector Markov process, Game theory, Geometry, Markov processes, Pumps, Quality assurance, Queueing networks, Queueing theory, Reliability analysis, Reliability theory, Geometric process, M / M / 1 queueing system, Repairable repair-equipment, Supplementary variables, Vector Markov process, Repair|
|Subjects:||H Social Sciences > HA Statistics > HA33 Management Science|
|Divisions:||Faculties > Social Sciences > Kent Business School > Management Science|
|Depositing User:||Cathy Norman|
|Date Deposited:||17 Oct 2012 15:53|
|Last Modified:||06 Mar 2013 11:58|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/31013 (The current URI for this page, for reference purposes)|
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