Optimizing Distributed Design Processes for Flexibility and Cost

DS 103: Proceedings of the 22nd International DSM Conference (DSM 2020), MIT, Cambridge, Massachusetts, October 13th - 15th 2020

Year: 2020
Editor: Harold (Mike) Stowe; Tyson R. Browning; Steven D. Eppinger; Jakob Trauer
Author: Daub, Marco; Wöhr, Ferdinand; Zimmermann, Markus
Series: DSM
Institution: TU Munich, Germany; BMW, Germany
Section: Process Architecture
Page(s): 10
DOI number: 10.35199/dsm2020.2
ISBN: 978-1-912254-12-5


This paper considers three different modes of design work that is distributed over several design parties: independent design (in parallel, no design interactions, sub-system requirements), dependent design (sequential, one-way design interactions, updated sub-system requirements) and interdependent design (in parallel or sequential, two-way design interactions, only system requirements). Both system and sub-system requirements are expressed as so-called solution spaces. Solution spaces represent sets of permissible designs where sub-system (or component) solution spaces can be deduced from the system solution space. The larger the size of a sub-system solution space, the more options for sub-system design decisions satisfying the overall system requirements exist and thus the larger the design flexibility. The three modes are applied to two industrial design problems and evaluated with respect to total flexibility and cost related to iteration steps, interactions between the design parties and requirement formulation. The resulting framework is applicable to general systems design problems.

Keywords: Systems Design, Process Architecture, Solution Spaces, Concurrent Design


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