Hierarchical design of an integrated production and 2-echelon distribution system

Article Abstract:

Research was conducted to examine the hierarchical design of an integrated production and 2-echelon distribution system using the Lagrangean relaxation method. A mixed integer mathematical model with a centralized planning perspective was constructed. Results show that the subgradient optimization offers a starting solution whose feasibility is to be restored. The Lagrangean relaxation was proven to perform well in terms of the global optimality of the integrated model.

Prepackaged software, Research, Systems management software, Hierarchical organization (Computers), Lagrangian functions

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Combination of MCDM and covering techniques in a hierarchical model for facility location: a case study

Article Abstract:

Development of models for management of military logistics, for mulitple objective decision making through set partitioning and multiple attribute decision making through set covering , is described.

Methods, Logistics, Military logistics, Decision analysis

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Finding strong defining hyperplanes of production possibility set

Article Abstract:

A method for finding all strong defining hyperplanes of production possibility set (PPS) is presented. The new method can be used to analyze the relative efficiency of decision making units.

Analysis, Data envelopment analysis, Decision support systems, Decision support software, Production possibility frontier

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