Application of robust mathematical optimization approach in solving the problem of selecting energy supply methods for blockchain technology in industrial environments

Subject Areas : Operations Management

Akbar Alam Tabriz ¹ , Ali Rezaian ² , akram alikazemi ³

1 - Department of Management, Shahid Beheshti University, Tehran, Iran.
2 - استاد دانشکده مدیریت و حسابداری، دانشگاه شهید بهشتی
3 - azad university

Received: 2024-05-16 Accepted : 2024-08-08 Published : 2024-02-04

Keywords: Energy Supply Methods, Economic Evaluation, Best-Worst Method, VIKOR method, Robust Planning,

Abstract :

The purpose of this research is to select the best energy supply methods for blockchain technology and to optimize the use of each of the selected methods.For this purpose,a two-part hybrid approach based on best-worst multi-criteria decision making methods,VIKOR method and mathematical programming model has been used under uncertainty conditions.To implement this approach,first by reviewing the literature,the effective criteria in selecting the best method were extracted and then,the options or energy supply methods using blockchain technology were determined based on the experts’ opinion.Finally,the weight of the criteria and the final ranking of the selected options were determined by the best-worst and VIKOR methods, respectively.In the second part,in order to determine the optimal amount of using available facilities for blockchain technology to implement the selected method,a robust mathematical model is designed in which the NPV criterion is used as an economic evaluation measure of using the selected method in the first part. was taken As the obtained results show,the criteria of "implementability"and"productivity level"and"coordination with consumption pattern correction policies"have the highest level of importance with the weight of 0.339, 0.14and 0.14, respectively,in order to choose the best option.Also, the best score compared to other options belongs to the energy supply method"electricity generation from the combined use of national grid and solar panels".Solving the mathematical model shows that the highest level of economic efficiency belongs to the use of solar panels to provide a significant part of the need for power.

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