期刊
INFORMATION SCIENCES
卷 573, 期 -, 页码 493-518出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2021.03.038
关键词
Best-worst method; Consistency index; Generalized interval-valued trapezoidal; fuzzy number; Goal programming model; Multi-criteria decision-making
This paper introduces a GITrF BWM method based on GITrFNs for MCDM, aiming to enhance decision consistency and effectiveness through techniques such as normalized weight vectors and consistency ratios.
This paper proposes a fuzzy best-worst method (BWM), called the GITrF BWM, based on generalized interval-valued trapezoidal fuzzy (GITrF) numbers (GITrFNs) for multi criteria decision-making (MCDM). The reference comparisons between criteria are represented by GITrFNs and the weights of criteria are also taken the form of GITrFNs. The concept of normalized GITrF weight vector is proposed and a new graded mean integration representation (GMIR) of GITrFN is given. A goal programming model is built to obtain the optimal normalized GITrF weights of criteria. Furthermore, the GITrF consistency index and the GITrF consistency ratio are proposed. The GMIR of the GITrF consistency ratio is calculated to measure the acceptable consistency of all the reference comparisons between criteria. For the unacceptable consistent reference comparisons, we propose an approach to improve the consistency of reference comparisons between criteria. Finally, a GITrF BWM is proposed for MCDM. Three real examples are analyzed to illustrate the proposed GITrF BWM. The comparison analyses show that the proposed GITrF BWM outperforms the existing methods for MCDM in GITrF environments. (c) 2021 Elsevier Inc. All rights reserved.
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