Pooling heterogeneous products for manufacturing environments

Tanja Mlinar () and Philippe Chevalier
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Tanja Mlinar: IÉSEG School of Management (LEM-CNRS)

4OR, 2016, vol. 14, issue 2, No 5, 173-200

Abstract: Abstract In a stochastic environment pooling naturally leads to economies of scale, but heterogeneity can also create variability. In the article, we investigate this trade-off in the case of a manufacturing environment. Pooling for queueing systems has been widely investigated in the literature on the design of service systems; however, much less attention has been given to manufacturing systems where jobs are given a due date upon arrival. In such systems it is not the elapsed time until the actual completion of the job that counts, but rather the due date lead time that can be promised to the customer in order to guarantee a high service level. The purpose of the article is to get a deeper understanding about how pooling strategies and lead-time decisions can be implemented to attain a high due-date performance. To this end, we develop a simulation and analytical study to determine the benefits of pooling manufacturing systems with heterogeneous demand streams. Our work allows managers to identify the characteristics of production systems such that a pooling strategy would be beneficial. Our results demonstrate that when a due-date setting and scheduling mechanism is implemented, heterogeneity does generally not lead to deterioration of performance, as previously observed in service environments. Our studies also reveal that the benefits of pooling in terms of the expected sojourn time obtained by a simple analytical treatment can serve as a good prediction of the benefits of pooling on the average due date lead time in a wide range of situations.

Keywords: Production systems; Capacity pooling; Due-date scheduling; Queueing; Simulation; 60K30; 60K25; 90B30; 68M20 (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s10288-016-0307-1

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