Affiliations: Istanbul Technical University, Department of
Management Engineering, Macka 34367, Istanbul, Turkey | Galatasaray University, Department of Industrial
Engineering, Ortaköy 34357 Istanbul, Turkey | Istanbul Technical University, Department of
Industrial Engineering, Macka 34367, Istanbul, Turkey | Belgian Nuclear Research Centre (SCKCEN), Boeretang
200, B-2400 Mol, Belgium
Abstract: Quality Function Deployment (QFD) is a cross-functional planning
tool, which is used to ensure that the voice of the customer is deployed
throughout the product planning and design stages. The QFD process involves
various inputs in the form of linguistic data, e.g., human perception,
judgment, and evaluation on importance or relationship strength. Such data are
usually ambiguous and uncertain. This paper aims to implement of QFD under a
fuzzy environment. In addition, the analytic network process (ANP), the general
form of the analytic hierarchy process (AHP) is used, to prioritize design
requirements by taking into account the degree of the interdependence between
the customer needs and design requirements and the inner dependence among them.
The developed approach is used to study the basic product planning stage of a
car design.
Keywords: QFD, House of Quality, ANP, AHP, fuzzy numbers, linguistic data, car design
