Determining optimal levels of engineering characteristics in quality function deployment under multi-segment market

Authors:
X. G. Luo;C. K. Kwong;J. F. Tang
Affiliations:
Department of System Engineering, School of Information Science and Engineering, Key Laboratory of Integrated Automation of Process Industry, Ministry of Education, Northeastern University, Shenya ...;Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR China;Department of System Engineering, School of Information Science and Engineering, Key Laboratory of Integrated Automation of Process Industry, Ministry of Education, Northeastern University, Shenya ...
Venue:
Computers and Industrial Engineering
Year:
2010

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Abstract

Customers often have various requirements and preferences on a product. A product market can be partitioned into several market segments, each of which contains a number of customers with homogeneous preferences. In this paper, a methodology which mainly involves a market survey, fuzzy clustering, quality function deployment (QFD) and fuzzy optimization, is proposed to achieve the optimal target settings of engineering characteristics (ECs) of a new product under a multi-segment market. An integrated optimization model for partitioned market segments based on QFD technology is established to maximize the overall customer satisfaction (OCS) for the market considering the weights of importance of different segments. The weights of importance of market segments and development costs in the model are expressed as triangular fuzzy numbers in order to describe the imprecision caused by human subjective judgement. The solving approach for the fuzzy optimization model is provided. Finally, a case study is provided for illustrating the proposed methodology.