Simple heuristics for push and pull remanufacturing policies

Simple heuristics for push and pull remanufacturing policies

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Article ID: iaor20083671
Country: Netherlands
Volume: 175
Issue: 2
Start Page Number: 1084
End Page Number: 1102
Publication Date: Dec 2006
Journal: European Journal of Operational Research
Authors: ,
Keywords: inventory: order policies, heuristics
Abstract:

Inventory policies for joint remanufacturing and manufacturing have recently received much attention. Most efforts, though, were related to (optimal) policy structures and numerical optimization, rather than closed form expressions for calculating near optimal policy parameters. The focus of this paper is on the latter. We analyze an inventory system with unit product returns and demands where remanufacturing is the cheaper alternative for manufacturing. Manufacturing is also needed, however, since there are less returns than demands. The cost structure consists of setup costs, holding costs, and backorder costs. Manufacturing and remanufacturing orders have non-zero lead times. To control the system we use certain extensions of the familiar (s, Q) policy, called push and pull remanufacturing policies. For all policies we present simple, closed form formulae for approximating the optimal policy parameters under a cost minimization objective. In an extensive numerical study we show that the proposed formulae lead to near-optimal policy parameters.

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