Close Interval Approximation of Pentagonal Fuzzy Numbers for Interval Data-Based Transportation Problems

Z. A. M. S. Juman, Salama A. Mostafa, A. P. Batuwita, Ali AlArjani, Md Sharif Uddin, Mustafa Musa Jaber, Teg Alam and El-Awady Attia
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Z. A. M. S. Juman: Department of Mathematics, Faculty of Science, University of Peradeniya, Peradeniya 20400, Sri Lanka
Salama A. Mostafa: Faculty of Computer Science and Information Technology, Universiti Tun Hussein Onn Malaysia, Batu Pahat 86400, Johor, Malaysia
A. P. Batuwita: Department of Mathematics, Faculty of Science, University of Peradeniya, Peradeniya 20400, Sri Lanka
Ali AlArjani: Department of Industrial Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj 16273, Saudi Arabia
Md Sharif Uddin: Department of Industrial Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj 16273, Saudi Arabia
Mustafa Musa Jaber: Department of Medical Instruments Engineering Techniques, Dijlah University College, Baghdad 10021, Iraq
Teg Alam: Department of Industrial Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj 16273, Saudi Arabia
El-Awady Attia: Department of Industrial Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj 16273, Saudi Arabia

Sustainability, 2022, vol. 14, issue 12, 1-18

Abstract: Due to globalization in this modern age of technology and other uncontrollable influences, transportation parameters can differ within a certain range of a given period. In this situation, a managerial position’s objective is to make appropriate decisions for the decision-makers. However, in general, the determination of an exact solution to the interval data-based transportation problem (IDTP) becomes an NP-hard problem as the number of choices within their respective ranges increases enormously when the number of suppliers and buyers increases. So, in practice, it is difficult for an exact method to find the exact solution to the IDTP in a reasonable time, specifically the large-sized problems with large interval sizes. This paper introduces solutions to the IDTP where supply, demand, and cost are all in interval numbers. One of the best interval approximations, namely the closed interval approximation of pentagonal fuzzy number, is proposed for solving the IDTP. First, in the proposed closed interval approximation method (Method-1), the pentagonal fuzzification method converts the IDTP to a fuzzy transportation problem (FTP). Subsequently, two new ranking methods based on centroid and in-center triangle concepts are presented to transfer the pentagonal fuzzy number into the corresponding crisp (non-fuzzy) value. Thereafter, the optimal solution was obtained using Vogel’s approximation method coupled with the modified distribution method. The proposed Method-1 is reported against a recent method and shows superior performance over the aforementioned and a proposed Method-2 via benchmark instances and new instances.

Keywords: interval data-based transportation problem; pentagonal fuzzy number; crisp value; fuzzy optimal solution (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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