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Models and algorithms for integrated production and distribution problems
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DOI：10.1016/j.cie.2020.107003.png)
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摘要
En 中文
Motivated by real-world applications from the non-perishable food and beverage industry, we consider a general optimization problem that involves production, distribution and warehouse logistics. The problem deals with the logistic network design and material flow management to supply the multi-product and multi-period customer demand. Decisions on production site use, including lot-sizing, setup and minimum batches are taken from a cost saving perspective together with warehouse management decisions, including shipments to external warehouses. We present a mathematical formulation of the problem that is based on a Mixed Integer Linear Programming (MILP) model and takes into account all the nasty constraints that are present in the real problem. We show that such a model is computationally hard even using a state-of-the-art commercial solver, and introduce a meta-heuristic algorithm that we use to compute approximate solutions. We test the proposed algorithms on two realworld test-cases and on a large set of realistic problems. The results show that, in all cases, the algorithm is very fast and produces solutions whose quality is very close to those that can be obtained by running a state-of-the-art commercial solver on the mathematical model for a very long time, thus providing for an efficient method for evaluating effective policies to be used under different scenarios. The models and the solving algorithms are of help to the industrial practitioners for the mid-term tactical management of their logistic networks.
Keyword:
Production planning
Mixed Integer Linear Programming
Heuristic algorithms
Lot-sizing
Multiple plants
Computational experiments
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IF:
6.5
论文数:
1.0W
被引数:
3.8W
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