Solving Fuzzy Assignment Problems via Ranking Methods: A Comprehensive Approach

Authors

  • Santosh Kumar Department of Mathematics, Raj Narain College, Hajipur (Vaishali), B.R.A. Bihar University, Muzaffarpur, Bihar, India Author
  • Sanjay Kumar Suman Department of Mathematics, Government Degree College, Bagaha, West Champaran, B.R.A. Bihar University, Muzaffarpur, Bihar, India Author
  • Dilip Kumar Sah Department of Mathematics, Raj Narain College, Hajipur (Vaishali), B.R.A. Bihar University, Muzaffarpur, Bihar, India Author
  • Manoj Kumar Singh Department of Mathematics, Raj Narain College, Hajipur (Vaishali), B.R.A. Bihar University, Muzaffarpur, Bihar, India Author
  • Mukesh Kumar Pal Department of Mathematics, Raj Narain College, Hajipur (Vaishali), B.R.A. Bihar University, Muzaffarpur, Bihar, India Author
  • Raj Kumar Secretary of St. Ignatius School, Aurangabad, Bihar, India Author
  • Nishant Kumar P.G.Department of Mathematics, B.R.A. Bihar University, Muzaffarpur, Bihar, India Author

DOI:

https://doi.org/10.32628/IJSRST2512399

Keywords:

Computational Efficiency, Fuzzy Assignment Problems (FAP), Ranking Methods, Defuzzification, Triangular Fuzzy Numbers (TFNs)

Abstract

This report presents an extensive methodology to solve Fuzzy Assignment Problems (FAP) using ranking methods. Classic Assignment Problems (AP) are generally inadequate in actual applications because they are incapable of dealing with imprecise or fuzzy data. The approach here enlarges the classical model by adding fuzzy concepts, specifically utilizing Triangular Fuzzy Numbers (TFNs), to represent and optimize costs or times in uncertain situations. It provides definitions of the basic features of fuzzy numbers, their arithmetic, a particular ranking function for defuzzification, and formulae for converting different types of fuzzy numbers. An iterative algorithm with nine steps is described as showing a step-by-step method to achieving optimal assignments. Diagrammatic illustrations in even and odd fuzzy number cases describe the applicability of the technique in cost minimization and time saving. The strengths of the methodology, such as its efficiency in computation, simplicity of implementation, and ability to deliver stable solutions in uncertain scenarios, are argued for, placing it as a valuable resource for decision-makers across various operational research applications.

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Published

01-06-2025

Issue

Vol. 12 No. 3 (2025): May-June

Section

Research Articles

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