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The Journal of Information and Optimization Sciences (JIOS) is a world leading journal publishing high quality, rigorously peer-reviewed original research in all mathematically-oriented theoretical and applied topics in information sciences, optimization sciences and related areas since 1980. Subjects include but are not limited to: • Information Sciences • Optimization Sciences • Control Theory • Operational Research • Decision Sciences • Information Theory • Information Technology • Computer Networks and Communications • Mathematical Programming • Modelling and Simulation • Database Management • Applications to Engineering Sciences • Applications to Technology

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Open Access Research Article

Fuzzy set theory in multi-criteria engineering decision making

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pp. 2075–2082Vol. 47Issue 5-BMay 2026DOI: 10.47974/JIOS-2298XML
Received:
01 Apr 2025
Published Online:
01 May 2026
Article type:
Research Article
Language:
EN
Article no.:
JIOS-2298
Pages:
2075–2082

Abstract

With the incorporation of fuzzy set theory into Multi-criteria decision-making (MCDM), the engineers have modified how they make decisions in consideration of uncertainty and imprecision. Where emotional considerations come into play together with numerical considerations in a given real life problem, a conventional decision making process does not apply well. At the time when Zadeh invented the fuzzy set theory, fuzzy set could handle vague and incomplete data and hence it is highly applicable in engineering. When we do not know what will happen, Fuzzy Analytic Hierarchy Process (FAHP) and the Fuzzy Technique of Order Preference by Similarity to Ideal Solution (Fuzzy TOPSIS) simplify the process of comparison and ranking of options. The paper examines such approaches and provides an explanation and examples mathematically and in the field of engineering.

Keywords

Subject Classifications

03E7294D05

References

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