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Erschienen in: Research in Engineering Design 3/2013

01.07.2013 | Original Paper

Change impact on a product and its redesign process: a tool for knowledge capture and reuse

verfasst von: Naveed Ahmad, David C. Wynn, P. John Clarkson

Erschienen in: Research in Engineering Design | Ausgabe 3/2013

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Abstract

Change propagates, potentially affecting many aspects of a design and requiring much rework to implement. This article introduces a cross-domain approach to decompose a design and identify possible change propagation linkages, complemented by an interactive tool that generates dynamic checklists to assess change impact. The approach considers the information domains of requirements, functions, components, and the detail design process. Laboratory experiments using a vacuum cleaner suggest that cross-domain modelling helps analyse a design to create and capture the information required for change prediction. Further experiments using an electronic product show that this information, coupled with the interactive tool, helps to quickly and consistently assess the impact of a proposed change.

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Fußnoten
1
We follow Ulrich (1995) in using the term component to describe either a single physical part or a subassembly, depending on the context of modelling.
 
2
An organ refers to the surfaces or volumes representing the localities where physical effects, such as friction, take place between components to embody a function (Eder 2011).
 
3
We found one approach that can connect requirement change to redesign tasks (Habhouba et al. 2011), yet this system cannot be used to predict change impacts in non-computational design contexts.
 
4
To create this model, the generic vacuum cleaner function structure described by Otto and Wood (2001) was combined with a component structure created by tear-down of a real device. Key design parameters for each component were identified and tasks that could be used to determine them were identified based on the authors’ knowledge of basic design principles. Finally, representative requirements were considered and linked to the function structure. Some amount of iteration around the layers was undertaken to complete and refine the model.
 
5
The vacuum cleaner of Fig. 1 is not decomposed in this way, but a hierarchical structure was used to model functions of the electronic product discussed in Sect. 5.
 
Literatur
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Zurück zum Zitat Otto K, Wood K (2001) Product design—techniques in reverse engineering and new product design. Prentice Hall, Upper Saddle River, NJ Otto K, Wood K (2001) Product design—techniques in reverse engineering and new product design. Prentice Hall, Upper Saddle River, NJ
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Zurück zum Zitat Wyatt DF, Wynn DC, Clarkson PJ (2009) Exploring spaces of system architectures using constraint-based classification and Euler diagrams. In: Kreimeyer M, Maier J, Fadel G, Lindemann U (eds). In: Proceedings of the 11th international DSM conference. Clemson USA, Publisher: Hanser Fachbuchverlag, pp 141–153 Wyatt DF, Wynn DC, Clarkson PJ (2009) Exploring spaces of system architectures using constraint-based classification and Euler diagrams. In: Kreimeyer M, Maier J, Fadel G, Lindemann U (eds). In: Proceedings of the 11th international DSM conference. Clemson USA, Publisher: Hanser Fachbuchverlag, pp 141–153
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Metadaten
Titel
Change impact on a product and its redesign process: a tool for knowledge capture and reuse
verfasst von
Naveed Ahmad
David C. Wynn
P. John Clarkson
Publikationsdatum
01.07.2013
Verlag
Springer London
Erschienen in
Research in Engineering Design / Ausgabe 3/2013
Print ISSN: 0934-9839
Elektronische ISSN: 1435-6066
DOI
https://doi.org/10.1007/s00163-012-0139-8

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