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Queuing Network Models for Aircraft Availability and Spares Management

Mani, V and Sarma, VVS (1984) Queuing Network Models for Aircraft Availability and Spares Management. In: IEEE Transactions on Reliability, R-33 (3). pp. 257-262.

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Interactions of major activities involved in airfleet operations, maintenance, and logistics are investigated in the framework of closed queuing networks with finite number of customers. The system is viewed at three levels, namely: operations at the flying-base, maintenance at the repair-depot, and logistics for subsystems and their interactions in achieving the system objectives. Several performance measures (eg, availability of aircraft at the flying-base, mean number of aircraft on ground at different stages of repair, use of repair facilities, and mean time an aircraft spends in various stages of repair) can easily be computed in this framework. At the subsystem level the quantities of interest are the unavailability (probability of stockout) of a spare and the duration of its unavailability. The repair-depot capability is affected by the unavailability of a spare which in turn, adversely affects the availability of aircraft at the flying-base level. Examples illustrate the utility of the proposed models.

Item Type: Journal Article
Publication: IEEE Transactions on Reliability
Publisher: IEEE
Additional Information: Copyright 1984 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Availability;Maintenance;Queuing network;Logistics; Probability of stockout;Rotable spares;Strategic unavailability.
Department/Centre: Division of Electrical Sciences > Computer Science & Automation
Date Deposited: 05 Jan 2012 05:38
Last Modified: 05 Jan 2012 05:38
URI: http://eprints.iisc.ac.in/id/eprint/43042

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