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標題: Comparative analysis of availability between three systems with general repair times, reboot delay and switching failures
作者: Wang, K.H.
Chen, Y.J.
關鍵字: Availability;Comparisons;Reboot delay;Standby switching failure;Supplementary variable;machine interference model;warm standby components;series systems;reliability
Project: Applied Mathematics and Computation
期刊/報告no:: Applied Mathematics and Computation, Volume 215, Issue 1, Page(s) 384-394.
This paper compares the availability characteristics between three different systems with reboot delay and standby switching failures. Three systems are studied under the assumption that the time-to-failure and the time-to-repair of the primary and standby units are exponentially and generally distributed, respectively. The reboot times are assumed to be exponentially distributed with parameter beta. It is assumed that there is a significant probability q of a switching failure. Using the supplementary variable technique, we develop the explicit expressions for the steady-state availability, Av, for three configurations and perform comparative analysis for three various repair time distributions, such as exponential, gamma, and uniform. Under the cost/benefit criterion, comparisons are made based on assumed numerical values given to the distribution parameters, and to the cost of the primary and standby units. (C) 2009 Elsevier Inc. All rights reserved.
ISSN: 0096-3003
DOI: 10.1016/j.amc.2009.05.023
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