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The Asian journal on quality v.8 no.3, 2007년, pp.71 - 80  

Investigations Into More Exact Weightings of Customer Demands in QFD

Crostack, H.A.   (University of Dortmund, Chair of Quality Engineering Joseph-von-Fraunhofer Str.  ); Hackenbroich, I.   (University of Dortmund, Chair of Quality Engineering Joseph-von-Fraunhofer Str.  ); Refflinghaus, R.   (University of Dortmund, Chair of Quality Engineering Joseph-von-Fraunhofer Str.  ); Winter, D.   (University of Dortmund, Chair of Quality Engineering Joseph-von-Fraunhofer Str.  );
  • 초록

    Apart from the customer demands themselves, the weightings of the customer demands are one of the main input data of a QFD (Quality Function Deployment) and furthermore of the actual construction process of products. Up to now, most interviews with stakeholders have been carried out with questionnaires and then absolute weightings have been used. Now it has been analysed if the use of other interview and evaluation techniques, e.g. relative weightings and Analytic Hierarchy Process (AHP), can improve the precision of the demands and wishes of the stakeholders. Now the task was to analyse if the use of relative weightings as input of a QFD is possible at all, how they have to be adapted and if an increase in precision compared to the use of absolute weightings is reached. When using AHP during the product development it has become clear that only up to seven demands can be rated at the same time by customers. That means that a kind of hierarchy has to be developed to correctly transfer the demands and their weightings into the QFD.


  • 주제어

    QFD .   AHP .   Customer Requirements .   Relative Weighting.  

  • 참고문헌 (4)

    1. Saaty, T.(1990), Multi-criteria Decision Making-The Analytic Hierarchy Process, RWS Publications, Pittsburgh 
    2. Crostack, H. A., Refflinghaus, R., Sakowski, M., Schluter, N.(2006), Structuring Customer Demands for Logistic Systems in Production Plants The 9th International QMOD Conference (Quality Management and Organisational Development), Conference Proceedings, Liverpool (UK), August 9-August 11 2006 
    3. Meixner, O. and Haas, R.(2002), Computergestiazte Entscheidungsfindung, Expert Choice und AHP-innovative Werkzeuge zur Losung komplexer Probleme, Redline Wirtschaft, Frankfurt/ Wien 
    4. Miller, G.(1956), 'The Magical Number Seven, Plus or minus two: Some Limits on our capacity for processing information,' The Psychological Review, Vol. 63, No.2, The American Psychological Association, Washington DC 

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