When to check for deviations in the design process – An approach to determine a systematic checkpoint schedule

Year: 2013
Editor: Udo Lindemann, Srinivasan V, Yong Se Kim, Sang Won Lee, John Clarkson, Gaetano Cascini
Author: Wickel, Martina Carolina; Behncke, Florian; Udo, Lindemann
Series: ICED
Institution: Technical University Munich, Germany
Page(s): 011-020
ISBN: 978-1-904670-44-5
ISSN: 2220-4334


Changes in engineering design are a necessary and inevitable part of the design process, be it to improve products or to cope with occurring problems. Changes, however, are often connected with high effort which furthermore grows exponentially the later in the design process those changes ocurr. Therefore strategies for identifying the need for changes in the early phases of the product development have been established. These activities themselves imply high effort, though, and are many times not efficient due to unavailable or inaccurate data in the early stages.

This leads to the conclusion that an optimal point of time can be determined within the design process in terms of the ratio of cost for changes vs. effort for change identification. In this paper an approach is presented, that supports the determination of optimal checkpoints to detect deviations from the planned development progress. Relevant aspects that have to be taken into account to determine the optimal time were deduced as a theoretical foundation.

Keywords: Engineering change, product development, change management, engineering change management


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