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Symmetry 2018, 10(10), 484; https://doi.org/10.3390/sym10100484

A Multi-Granularity 2-Tuple QFD Method and Application to Emergency Routes Evaluation

School of Management, Wuhan University of Technology, Wuhan 430070, China
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Received: 23 September 2018 / Revised: 7 October 2018 / Accepted: 8 October 2018 / Published: 11 October 2018
(This article belongs to the Special Issue Discrete Mathematics and Symmetry)
PDF [608 KB, uploaded 11 October 2018]

Abstract

Quality function deployment (QFD) is an effective approach to satisfy the customer requirements (CRs). Furthermore, accurately prioritizing the engineering characteristics (ECs) as the core of QFD is considered as a group decision making (GDM) problem. In order to availably deal with various preferences and the vague information of different experts on a QFD team, multi-granularity 2-tuple linguistic representation is applied to elucidate the relationship and correlation between CRs and ECs without loss of information. In addition, the importance of CRs is determined using the best worst method (BWM), which is more applicable and has good consistency. Furthermore, we propose considering the relationship matrix and correlation matrix method to prioritize ECs. Finally, an example about evaluating emergency routes of metro station is proposed to illustrate the validity of the proposed methodology.
Keywords: quality function deployment; engineering characteristics; group decision making; 2-tuple; metro station; emergency routes quality function deployment; engineering characteristics; group decision making; 2-tuple; metro station; emergency routes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Mei, Y.; Liang, Y.; Tu, Y. A Multi-Granularity 2-Tuple QFD Method and Application to Emergency Routes Evaluation. Symmetry 2018, 10, 484.

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