An integrated production-distribution model for the dynamic location and allocation problem with safety stock optimization

Elisa Gebennini, Rita Gamberini and Riccardo Manzini

International Journal of Production Economics, 2009, vol. 122, issue 1, 286-304

Abstract: The design and management of a multi-stage production-distribution system is one of the most critical problems in logistics and in facility management. Companies need to be able to evaluate and design different configurations for their logistic networks as quickly as possible. This means coordinating the entire supply chain effectively in order to minimize costs and simultaneously optimize facilities location, the allocation of customer demand to production/distribution centers, the inbound and outbound transportation activities, the product flows between production and/or warehousing facilities, the reverse logistics activities, etc. Full optimization of supply chain is achieved by integrating strategic, tactical, and operational decision-making in terms of the design, management, and control of activities. The cost-based and mixed-integer programming model presented in this study has been developed to support management in making the following decisions: the number of facilities (e.g. warehousing systems, distribution centers), the choice of their locations and the assignment of customer demand to them, and also incorporate tactical decisions regarding inventory control, production rates, and service-level determination in a stochastic environment. This paper presents an original model for the dynamic location-allocation problem with control of customer service level and safety stock optimization. An experimental analysis identifies the most critical factors affecting the logistics cost, and to finish, an industrial application is illustrated demonstrating the effectiveness of the proposed optimization approach.

Keywords: Supply; chain; management--SCM; Facility; location--FL; Safety; stock--SS; Service; level; Location-allocation; problem--LAP (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (19)

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