A framework for VSM integrated with Fuzzy QFD

M. Sakthivel · Sekar Vinodh · K. E. K. Vimal

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Quality and Supply Management Management and Optimization Techniques Quality Function Deployment in Product Design

Abstract

Purpose – The purpose of this paper is to apply a framework for value stream mapping (VSM) integrated with fuzzy quality function deployment (QFD) for enabling scientific prioritization of improvement proposals to improve leanness. Design/methodology/approach – The literature was reviewed from the perspectives of VSM, QFD and fuzzy logic applications. The current state map was developed for the case component; fuzzy QFD was used for prioritizing improvement proposals and prioritized proposals were incorporated in the future state map. Findings – The approach enabled the scientific mapping of wastes with improvement proposals and thereby enabling systematic implementation of improvement proposals. The conducted pilot study resulted in 4 percent reduction in cycle time. As the lean implementation is a continuous process, furthermore improvements are expected in near future. Research limitations/implications – The study was conducted in an Indian camshaft manufacturing organization. The improvements in terms of leanness parameters were quantified. Practical implications – The findings determined from the study has practical relevance. Besides, managerial implications were also discussed. Originality/value – The study presented in this paper was conducted in a real time manufacturing environment. Hence the contributions of study are found to be valuable among academic and practicing communities.

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References

1965Fuzzy sets 1996Fuzzy sets 1981Multiple Attribute Decision Making: Methods and Applications 2011Multiple Attribute Decision Making: Methods and Applications 1992Ranking fuzzy numbers with integral value 2006Analyzing the benefits of lean manufacturing and value stream mapping via simulation: A process sector case study 1997The seven value stream mapping tools 2004A fuzzy optimization model for QFD planning process using analytic network approach

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