On the structure of capacitated assembly systems

On the structure of capacitated assembly systems

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Article ID: iaor2013727
Volume: 41
Issue: 1
Start Page Number: 19
End Page Number: 26
Publication Date: Jan 2013
Journal: Operations Research Letters
Authors: ,
Keywords: inventory, combinatorial optimization
Abstract:

We consider a finite‐horizon inventory model with an assembly structure, stochastic demand, and capacity constraints throughout the system. We explore optimal behavior of this system, with a special focus on stockpiling and stock‐withholding of inventory, two novel inventory phenomena that arise due to asymmetric constraints. We identify conditions, such as having the bottleneck at the most downstream stage, that restore structural symmetry to the problem. This allows the state space to be collapsed to that of an equivalent series system.

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