Spare parts provisioning for multiple k-out-of-n:G systems

Sahba, Pedram and Balcıoğlu, Barış and Banjevic, Dragan (2012) Spare parts provisioning for multiple k-out-of-n:G systems. (Accepted/In Press)

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Official URL: http://dx.doi.org/10.1080/0740817X.2012.695102


In this paper, we consider a repair shop that fixes failed components from different k-out-of-n:G systems. We assume that each system consists of the same type of component; to increase availability, a certain number of components are stocked as spare parts. We permit a shared inventory serving all systems and/or reserved inventories for each system; we call this a hybrid model. Additionally, we consider two alternative dispatching rules for the repaired component. The destination for a repaired component can be chosen either on a first-come-first-served basis or by following a static priority rule. Our analysis gives the steady-state system size distribution of the two alternative models at the repair shop. We conduct numerical examples minimizing the spare parts held while subjecting the availability of each system to exceed a targeted value. Our findings show that unless the availabilities of systems are close, the HP policy is better than the HF policy.

Item Type:Article
Uncontrolled Keywords:Spare parts, Multiple finite-population queueing systems, Priority queues, Hybrid policies
Subjects:Q Science > QA Mathematics > QA273-280 Probabilities. Mathematical statistics
ID Code:19947
Deposited By:Barış Balcıoğlu
Deposited On:06 Nov 2012 22:38
Last Modified:31 Jul 2019 14:04

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