A Customer Centered Design Method Using Ingegrated QFD and Fuzzy Hierarchical Analysis
Date Issued
2010
Date
2010
Author(s)
Liu, Yu-Chang
Abstract
Customers’ dissatisfaction is the momentum that leads to product improvement. To satisfy customers’ needs, product redesign has become important. It is difficult for designers to improve product quality and satisfy customer’s needs without increase cost, while considering engineering requirements.
In this paper, a new product redesign process is provided. Integrated fuzzy hierarchical analysis (FHA) and quality function deployment (QFD) are used to improve the quality of target products and decrease the waste in resources and labor cost, in the early design stage. In this paper, the voice of customers (VOC) were collected by a market survey. FHA was used to calculate the relative weights of VOC. Then, a two-phase QFD was developed. The VOC has been better represented by using a formulated fuzzy set in FHA. The inaccuracy caused by the differences between customers would be reduced. QFD has an excellent performance in product quality assessment. It enhances the accuracy of the relationship between VOC and product parts by the two-phase deployment. Finally, digital cameras were used as a case study. Statistical analysis was used in competitor analysis to find out the weakness of the manufacturers, and some suggestions were provided for the parts.
Subjects
Voice of Customer
Fuzzy theory
Fuzzy Hierarchical Analysis
Quality Function Deployment
Competitor Analysis
Type
thesis
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