ANALYSIS OF ENGINEERING CHANGE REQUESTS USING MARKOV CHAINS

DS 92: Proceedings of the DESIGN 2018 15th International Design Conference

Year: 2018
Editor: Marjanović D., Štorga M., Škec S., Bojčetić N., Pavković N.
Author: Arnarsson, Ívar Örn; Gustavsson, Emil; Malmqvist, Johan; Jirstrand, Mats
Series: DESIGN
Section: DESIGN ORGANISATION AND MANAGEMENT
Page(s): 523-532
DOI number: https://doi.org/10.21278/idc.2018.0314

Abstract

Engineering change requests are important and plentiful in the product development process to enhance a product. In this paper we use Markov chains on ECRs in a large product development project and display the results in a Markov chain DSM. The DSM shows statistical probability of a transition pathway for an industrial design process and together with engineering domain knowledge we identify patterns and improvement opportunities. It turns out that 8% of ECRs are closed directly after creation, most common pathway is not followed in early statues and status iterations are seen in the DSM.

Keywords: engineering change, product development, design models, Markov chains, process analysis

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