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TOPSIS for bi-level MODM problems

机译:双层MODM问题的TOPSIS

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摘要

TOPSIS (technique for order preference by similarity to ideal solution) is a multiple criteria method to identify solutions from a finite set of alternatives based upon simultaneous minimization of distance from an ideal point and maximization of distance from a nadir point. This paper proposes a fuzzy TOPSIS algorithm to solve bi-level multi-objective decision-making (BL-MODM) problems, and in which the objective function at each level are non-linear functions which are to be maximized. The proposed model for getting the satisfactory solution of the BL-MODM problems includes the membership functions for the upper level decision variables vector with possible tolerances, the membership function of the distance function from the positive ideal solution (PIS) and the membership function of the distance function from the negative ideal solution (NIS). A numerical illustrative example is given to clarify the proposed TOPSIS approach of this paper.
机译:TOPSIS(一种通过与理想解的相似性进行优先顺序排序的技术)是一种多准则方法,可基于同时最小化距理想点的距离和最大化距天底点的距离来从一组有限的备选方案中识别解。提出了一种模糊TOPSIS算法来解决两级多目标决策(BL-MODM)问题,其中每一级的目标函数都是要最大化的非线性函数。为获得BL-MODM问题的满意解决方案而提出的模型包括具有可能容差的上层决策变量向量的隶属函数,距正理想解的距离函数的隶属函数以及PI的隶属函数负理想解(NIS)的距离函数。给出了一个数值示例性例子来阐明本文提出的TOPSIS方法。

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