Solving Tea Blending Problems Using Interactive Fuzzy Multi-Objective Linear Programming

被引:5
作者
Jarernsuk, Saran [1 ]
Phruksaphanrat, Busaba [1 ]
机构
[1] Thammasat Univ, Fac Engn, Thammasat Sch Engn, Res Unit Ind Stat & Operat Res,Ind Engn Dept, Pathum Thani 12121, Thailand
关键词
blending problem; tea industry; interactive fuzzy programming; multi-objective decision making; fuzzy-efficient solution; OPTIMIZATION; HEALTH; MODEL;
D O I
10.3390/pr11010049
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Blending is a classical and well-known optimization problem that has been applied in the food, steel, and composite material industries. However, tea blending is more complicated than general problems due to the variety of products, processes, and sources of raw materials and semi-products. So, in this research, a fuzzy multi-objective model for the tea blending problem was proposed to minimize the total production cost and the deviation of quality target score; it provides a more robust and flexible method than existing models for complex real-world problems. Existing research works of a blending problem consider only raw material cost, but semi-product cost and processing cost are included in the proposed model that matches the actual case. Losses that occur during production are also incorporated. The selection of appropriate raw materials and semi-product sources can be obtained with the preferred levels of cost and quality by the proposed algorithm. The interactive fuzzy multi-objective programming to solve the problem has advantages over existing interactive programming methods. It is easy to manipulate interactively to obtain more efficient solutions than existing methods and both balanced and unbalanced solutions can be selected. The comparison of the results of an existing approach and the interactive fuzzy multi-objective programming algorithm for the tea industry is illustrated.
引用
收藏
页数:14
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