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A Probabilistic Design Reuse Index

Vasantha, Gokula; Sherlock, Andrew; Corney, Jonathan; Quigley, John

Authors

Andrew Sherlock

Jonathan Corney

John Quigley



Abstract

The benefits of being able to create a number of product variations from a limited range of components, or sub-assemblies, are widely recognized. Indeed it is clear that companies who can effectively reuse elements of existing designs when creating new products will be more productive and profitable than those whose catalogues are full of parts individually tailored to specific models. Frustratingly, despite the benefits, existing approaches to quantifying the amount of design reuse within a company’s product range are laborious and often provide only aggregated reuse value that provided little explicit indication of where the highest and lowest levels of re-use occur within a product portfolio. This paper surveys existing measures of design reuse and describes the results of applying some of them to quantify the amount of commonality in a range of flat-pack furniture. The results illustrate the differences between their definitions of design reuse. We then present a new approach to objectively quantifying levels of reuse by comparing actual probability distributions of component use with virtual ones, where every component is used with equal preference. The proposed reuse metric, named Probabilistic Design Reuse Index (PDRI), is applied to the flat-pack dataset and the results used to highlight component families with low levels of design commonality.

Citation

Vasantha, G., Sherlock, A., Corney, J., & Quigley, J. (2018). A Probabilistic Design Reuse Index. In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference

Conference Name ASME 2018 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2018)
Conference Location Quebec, Canada
Start Date Aug 26, 2018
End Date Aug 29, 2018
Acceptance Date Apr 23, 2018
Publication Date 2018
Deposit Date Dec 11, 2018
Publicly Available Date Dec 13, 2018
Publisher American Society of Mechanical Engineers
Book Title ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Keywords Engineering design, component reuse, manufacturing
Public URL http://researchrepository.napier.ac.uk/Output/1393668

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