An information model to estimate efforts of product development processes

DS 87-2 Proceedings of the 21st International Conference on Engineering Design (ICED 17) Vol 2: Design Processes, Design Organisation and Management, Vancouver, Canada, 21-25.08.2017

Year: 2017
Editor: Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos
Author: Dittmann, Claudia; Jacobs, Georg; Felix, Valerie
Series: ICED
Institution: RWTH Aachen, Germany
Section: Design Processes, Design Organisation and Management
Page(s): 131-138
ISBN: 978-1-904670-90-2
ISSN: 2220-4342


Due to small batch series or customer orders with specific requirements, costs and especially development cost are hard to determine. Their impact on the overall costs is enormous and cannot be compensated by current production technologies. To evaluate design efforts, standardized processes are known. Common models as the VDI 2221 are therefore unsuitable due to their generic character of the process steps. They are based on ideal theoretically solutions and do not consider limitations by industrial and organizational constraints. Therefore, a more detailed process is necessary, to make a comparison possible. This paper will show an approach to estimate efforts of a design project as a mathematical function. The process is based on project requirements, the process itself and other related factors which are part of the development. The output is a method for the effort estimation.

Keywords: Effort estimation, Case study, Design process, Complexity, Early design phases


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