A Fuzzy Quality Function Deployment (FQFD) model for deriving optimum targets

L. Vanegas, Ashraf Labib

    Research output: Contribution to journalArticlepeer-review


    Quality Function Deployment (QFD) is a powerful tool that translates the Voice of the Customer (VoC) into the Engineering Characteristics (ECs), which are those that can be modified in order to meet the desires of the customer. A main objective of QFD is the determination of target values of ECs; however, the conventional QFD aims only empirically at finding these targets, which makes it difficult for the ECs to be optimum. This paper proposes a novel method for determining optimum targets in QFD. Fuzzy numbers are used to represent the imprecise nature of the judgements, and to de® ne more appropriately the relationships between ECs and Customer Attributes (CAs). Constraints such as cost, technical difficulty and market position are considered. An example of a car door is presented to show the application of the method.
    Original languageEnglish
    Pages (from-to)99-120
    Number of pages22
    JournalInternational Journal of Production Research
    Issue number1
    Publication statusPublished - 2001


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