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The Scientific World Journal
Volume 2014, Article ID 673563, 9 pages
Research Article

Cooperative Fuzzy Games Approach to Setting Target Levels of ECs in Quality Function Deployment

1School of Management, Shanghai University, Shanghai 200444, China
2College of Sciences, East China Institute of Technology, Nanchang, Jiangxi 330013, China

Received 30 May 2014; Accepted 15 June 2014; Published 3 July 2014

Academic Editor: Dar-Li Yang

Copyright © 2014 Zhihui Yang et al. 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.


Quality function deployment (QFD) can provide a means of translating customer requirements (CRs) into engineering characteristics (ECs) for each stage of product development and production. The main objective of QFD-based product planning is to determine the target levels of ECs for a new product or service. QFD is a breakthrough tool which can effectively reduce the gap between CRs and a new product/service. Even though there are conflicts among some ECs, the objective of developing new product is to maximize the overall customer satisfaction. Therefore, there may be room for cooperation among ECs. A cooperative game framework combined with fuzzy set theory is developed to determine the target levels of the ECs in QFD. The key to develop the model is the formulation of the bargaining function. In the proposed methodology, the players are viewed as the membership functions of ECs to formulate the bargaining function. The solution for the proposed model is Pareto-optimal. An illustrated example is cited to demonstrate the application and performance of the proposed approach.