Unreliable production–inventory systems with hyper-exponential renewal demand processes

Unreliable production–inventory systems with hyper-exponential renewal demand processes

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Article ID: iaor2007600
Country: Netherlands
Volume: 166
Issue: 2
Start Page Number: 475
End Page Number: 488
Publication Date: Jul 2005
Journal: Applied Mathematics and Computation
Authors: ,
Keywords: inventory
Abstract:

We investigate a production–inventory system in which an unreliable machine is susceptible to failure following which it must be repaired to make it operative again. The inter-arrival times of demand arrival processes are assumed to be hyper-exponentially distributed, demand sizes are i.i.d. random variables. An (m,M) policy is used to control the machine's setups and shutdowns. We give a stability condition of the inventory process, and then obtain its steady-state distribution which is used to calculate some performance measures of the system.

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