Inventory control model of a 4-Echelon production-distribution system

Present paper proposes a reorder interval-based mathematical model for a four-echelon inventory system of deterministic demand. It has four different echelons and 10 installations. The problem is posed as an optimization problem to determine the minimum inventory cost subject to different constraint...

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Bibliographic Details
Published in:2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) pp. 441 - 445
Main Authors: Tewary, Moumita, Das, Debabrata, Hui, Nirmal Baran
Format: Conference Proceeding
Language:English
Published: IEEE 01.12.2017
Subjects:
4-echelon
Constrained optimization
Dynamic programming
Inventory control
Mathematical model
Optimization
Roundy's PO2 Policy
Safety
Supply chain
Supply chains
ISSN:2157-362X
Online Access:Get full text
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Summary:Present paper proposes a reorder interval-based mathematical model for a four-echelon inventory system of deterministic demand. It has four different echelons and 10 installations. The problem is posed as an optimization problem to determine the minimum inventory cost subject to different constraints. The model resulted in a mixed integer non-linear programming problem with some constraints. The optimal solution with lowest supply chain cost is obtained using an exhaustive search method. The best solution and corresponding variables are noted. Further Reorder intervals and lot-sizes of all installations are also determined in the paper.
ISSN:2157-362X
DOI:10.1109/IEEM.2017.8289929