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Interval Type-2 Fuzzy Analytic Hierarchy Process for Sustainable Energy Sources Selection

Author

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  • Lazim Abdullah

    (Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia)

  • Liana Najib

    (Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia)

Abstract

Selecting sustainable energy sources is one of the efforts to ensuring optimum energy consumption. However, the selection process is not straight forward as it requires multi-criteria that inherited uncertainty and qualitative evaluation. Multi-criteria evaluation that based on fuzzy set theory is one of the well-known methods to handle uncertainty in decision making and vagueness of information. This paper develops a preference for sustainable energy using the linguistic evaluation of interval type-2 fuzzy analytic hierarchy process (IT2 FAHP). Seven alternatives of sustainable energy sources that closely related to nine criteria were identified as the hierarchical structure of the decision making problem. Two academicians and an engineer attached to government agencies were invited to provide linguistic evaluation. The linguistic evaluations were analyzed using the newly developed IT2 FAHP. The seven-step computational method was implemented and the results suggest that solar energy is the best alternative in selecting the viable sustainable energy.

Suggested Citation

  • Lazim Abdullah & Liana Najib, 2017. "Interval Type-2 Fuzzy Analytic Hierarchy Process for Sustainable Energy Sources Selection," International Journal of Fuzzy System Applications (IJFSA), IGI Global, vol. 6(3), pages 124-137, July.
    • Handle: RePEc:igg:jfsa00:v:6:y:2017:i:3:p:124-137
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