A linear goal programming approach to determining the relative importance weights of customer requirements in quality function deployment

Authors:
Ying-Ming Wang;Kwai-Sang Chin
Affiliations:
Institute of Decision Sciences, Fuzhou University, Fuzhou 350108, PR China;Department of System Engineering and Engineering Management, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong
Venue:
Information Sciences: an International Journal
Year:
2011

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Abstract

Quality function deployment (QFD) is a planning tool used in new product development and quality management. It aims at achieving maximum customer satisfaction by listening to the voice of customers. To implement QFD, customer requirements (CRs) should be identified and assessed first. The current paper proposes a linear goal programming (LGP) approach to assess the relative importance weights of CRs. The LGP approach enables customers to express their preferences on the relative importance weights of CRs in their preferred or familiar formats, which may differ from one customer to another but have no need to be transformed into the same format, thus avoiding information loss or distortion. A numerical example is tested with the LGP approach to demonstrate its validity, effectiveness and potential applications in QFD practice.