Prioritization of Product Requirements to Design for a Poka-Yoke Assembly - DFPYA

DS 58-7: Proceedings of ICED 09, the 17th International Conference on Engineering Design, Vol. 7, Design for X / Design to X, Palo Alto, CA, USA, 24.-27.08.2009

Year: 2009
Editor: Norell Bergendahl, M.; Grimheden, M.; Leifer, L.; Skogstad, P.; Lindemann, U.
Author: Estrada, Gabriela; Lloveras, Joaquim
Section: Design for X, Design to X
Page(s): 333-344

Abstract

During design process, in the clarification of the task stage, designers elaborate the product requirements list to establish the specification that product being developed must to comply with; even the ideal condition is to satisfy all requirements it is not always possible. The systematic design process approach by Pahl and Beitz recommend a qualitative method to classify design requirements in demands and whishes in order to define a priority; demands have more priority than whishes then designers know that product must to comply at less with demands and if it is possible they will try to satisfy whishes. DFPYA approach is a guide that propose a seventeen poka-yoke design requirements that must be considered by designers since clarification of the task stage, in this work is proposed a quantitative method to define the priority of the poka-yoke assembly design requirements-Rx, this method consists in calculate a weight to each Rx based on these criteria i) severity and frequency of assembly issues associated to Rx and ii) impact of Ax in the system phase where issue can occur.

Keywords: design for X, poka-yoke, assembly, design process, design requirements list

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