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既有文献中关于求解模糊交通问题（所有参数均为模糊数据）的模糊最优解的方法有多种。本文在分析现有方法缺点的基础上,提出了两种方法用于求解具有梯形模糊数的模糊交通问题,其基于模糊线性规划和经典交通方法。同时论证了这两种方法不同于现有方法的优势。通过算例阐述本文方法求解模糊交通问题的过程并分析了求解结果。所提出的方法易于理解且在求解模糊交通问题最优解问题上具有良好的应用前景。     

Application of Classical Transportation Methods for Solving Fuzzy Transportation Problems

There are several methods, in the literature, for finding a fuzzy optimal solution to fully fuzzy transportation problems (transportation problems in which all the parameters are represented by fuzzy numbers). In this study, the shortcomings of some existing methods are pointed out, and to overcome these shortcomings, two new methods (based on fuzzy linear programming formulation and classical transportation methods) are proposed to find a fuzzy optimal solution to fuzzy transportation problems with a new representation of trapezoidal fuzzy numbers. The advantages of the proposed methods over existing methods are discussed. Also, it is shown that it is better to use the proposed representation of trapezoidal fuzzy numbers instead of the existing representation of trapezoidal fuzzy numbers for finding a fuzzy optimal solution to fuzzy transportation problems. To illustrate the proposed methods, a fuzzy transportation problem (FTP) is solved using the proposed methods and the obtained results are discussed. The proposed methods are easy to understand and to apply for finding a fuzzy optimal solution to fuzzy transportation problems occurring in real-life situations.