A Group Decision-Making Framework with Various Rating Attitudes using Fuzzy Set Theory to Prioritize Design Requirements in Quality Function Deployment
DOI:
https://doi.org/10.23055/ijietap.2008.15.3.145Keywords:
Quality function deployment, House of quality, Group decision-making, Rating or risk-taking attitudes, Fuzzy suitability indices.Abstract
A structured method is called quality function deployment (QFD) that translates the voice of the customer into both of the product and service development. The architecture of QFD is composed of a set of matrices that is often referred to as the house of quality (HOQ). HOQ is regarded as a part of the QFD process. The matrices of HOQ include the importance of customer requirements and the relationship between customer requirements and design requirements collected by the decision-making process of a group of people with ambiguousness and fuzziness. Besides, a group of people make decisions to evaluate fuzzy information with different rating or risk-taking attitudes such as optimistic, neutral, and conservative attitudes. Therefore, a group decision-making framework with various rating attitudes using fuzzy set theory can be used in QFD to identify the importance of each design requirement. Furthermore, a numerical example is solved to show that this group decision-making framework with risk-taking attitudes using fuzzy set theory can be accurately and convincingly applied in QFD for prioritizing design requirements with diverse rating attitudes to help the companies increase customer satisfaction and market share.Downloads
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