Determining the importance ratings of customer requirements in quality function deployment based on interval linguistic information

Yanlai Li · Yinfeng Du · Kwai‐Sang Chin

42 citations0/0 files storedInternational Journal of Production Research

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Quality Function Deployment in Product Design Multi-Criteria Decision Making Color perception and design

Abstract

Quality function deployment (QFD) is a customer-oriented tool and is widely applied to design and improve products and services. Determining the importance ratings (IRs) of customer requirements (CRs) is an essential step in QFD application and will affect the quality of product design and improvement. In this study, a group decision-making method is proposed to obtain realistic IRs. Low-carbon environment is considered in recognising CRs. Interval linguistic information (ILI) is used to express the vague evaluations in product improvement. In addition, an interval linguistic weighted arithmetic averaging operator, a normalised formula, and an expected value operator are integrated to deal with evaluation matrices expressed by ILI. A relationship matrix is used reversely to acquire accurate basic IRs (BIRs). The improved cosine method based on ILI is also employed to derive BIRs. The modified entropy method based on ILI is proposed to determine a competitive priority rating (CPR) of a CR. The final IR of every CR can be obtained by integrating its BIR and CPR. Finally, a practical product improvement of turbine engine is provided to illustrate the validity and feasibility of the proposed approach.

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References

2003A method based on linguistic aggregation operators for group decision making with linguistic preference relations*1 2000A fusion approach for managing multi-granularity linguistic term sets in decision making 2004A fuzzy optimization model for QFD planning process using analytic network approach 2003The leading edge in QFD: past, present and future 2003Determining the Importance Weights for the Customer Requirements in QFD Using a Fuzzy AHP with an Extent Analysis Approach 2004A systematic approach to quality function deployment with a full illustrative example 2000Integrating Kano's model in the planning matrix of quality function deployment 2008Review, analysis and classification of the literature on QFD—Types of research, difficulties and benefits

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2022Large-scale group decision-making for prioritizing engineering characteristics in quality function deployment under comparative linguistic environment 2021Integrated approaches of BWM-QFD and FUCOM-QFD for improving weighting solution of design matrix 2022Enhancing the analysis of online product reviews to support product improvement: integrating text mining with quality function deployment 2023An optimization method for handling incomplete and conflicting opinions in quality function deployment based on consistency and consensus reaching process

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