Quality Function Deployment (QFD) is an effective tool to orient the design of a product and related production processes towards the real exigencies of the end-user. Its first phase – the House of Quality – is aimed at translating Customer Requirements (CRs) into Engineering Characteristics (ECs) of the product of interest, also determining an ECs’ prioritization. All of the techniques proposed for tackling this problem are based on the assumption that the importance of each CR is expressed on interval or ratio scales (i.e. cardinal scales). To this end, customer evaluations – naturally expressed on ordinal scales – are artfully turned into numbers. This paper introduces a novel technique – denominated as Ordinal Prioritization Method – that can be applied to prioritize ECs. The method addresses the problem of the prioritization of ECs when the importance of CRs is given on an ordinal scale. The description of the method is supported by a some application examples.
Prioritization of engineering Characteristics in QFD in the case of customer requirements orderings / Franceschini, Fiorenzo; Galetto, Maurizio; Maisano, DOMENICO AUGUSTO FRANCESCO; Mastrogiacomo, Luca. - In: INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH. - ISSN 0020-7543. - STAMPA. - 53:13(2015), pp. 3975-3988. [10.1080/00207543.2014.980457]
Prioritization of engineering Characteristics in QFD in the case of customer requirements orderings
FRANCESCHINI, FIORENZO;GALETTO, Maurizio;MAISANO, DOMENICO AUGUSTO FRANCESCO;MASTROGIACOMO, LUCA
2015
Abstract
Quality Function Deployment (QFD) is an effective tool to orient the design of a product and related production processes towards the real exigencies of the end-user. Its first phase – the House of Quality – is aimed at translating Customer Requirements (CRs) into Engineering Characteristics (ECs) of the product of interest, also determining an ECs’ prioritization. All of the techniques proposed for tackling this problem are based on the assumption that the importance of each CR is expressed on interval or ratio scales (i.e. cardinal scales). To this end, customer evaluations – naturally expressed on ordinal scales – are artfully turned into numbers. This paper introduces a novel technique – denominated as Ordinal Prioritization Method – that can be applied to prioritize ECs. The method addresses the problem of the prioritization of ECs when the importance of CRs is given on an ordinal scale. The description of the method is supported by a some application examples.File | Dimensione | Formato | |
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IJPR Fusion of preference orderings to QFD 14 revised 20-05-2014 no yellow.pdf
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IJPR v.53 n.13, 2015, pp.3975-3988 Priorization ECs in QFD FF MG DM LM.pdf
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https://hdl.handle.net/11583/2608767
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