Case study based on a multi-period multi-criteria production planning model

Article Abstract:

The production planning problem of a thermoplastics plant in Yugoslavia is examined. The problem pertains to the optimization of the production mix and striking a balance between manufacturing capacity and material requirements given that the raw materials, machines, tools and personnel may be assigned to different processes to produce the same goods. To this end, multi-criteria linear programming methods were used to derive a solution that generates direct costs and locates causes of infeasibility.

Linear programming, Cases, Production engineering research

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The application of fuzzy integrals in multicriteria decision making

Article Abstract:

The use of fuzzy integrals as an aggregation operator in multiple criteria decision making problems began is demonstrated within the framework of the multiattribute utility model. The practice, which originated in Japan around 1975, is employed for characterizing the relationships between different criteria in a flexible manner. To date, it has been used to estimate wood strength, assess printed color images, design audio speakers and model public attitude toward nuclear power plants.

Set theory, Fuzzy sets, Integrals

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The number of feasible designs in a compatibility matrix

Article Abstract:

A compatibility matrix approach to two real-world design and planning problems was developed to overcome the problem of pairwise incompatibilities between design alternatives for a subsystem. A hypothetical example was also solved. Consequently, it was demonstrated that the increase in the number of incompatible pairs lowers the number of feasible designs exponentially.

Planning, Manufacturing processes, Manufacturing, Matrices, Matrices (Mathematics)

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