DSM-based Reliability Analysis of Modular Architectures

DSM 2015: Modeling and managing complex systems - Proceedings of the 17th International DSM Conference Fort Worth (Texas, USA), 4-6 November 2015

Year: 2015
Editor: Browning, T. R.; Eppinger, S. D.; Schmidt, D. M.; Lindemann, U.
Author: Lindén, J.; Sellgren, U.; Söderberg, A.
Series: DSM
Section: Managing Failures and Risks in Complex Systems
Page(s): 111-121


The main function of a heavy truck is to transport goods. Furthermore, the truck is directly operated by a driver, who has several additional functional requirements, of both ergonomic and communicative characters. Transport is a trust business and today’s just-in-time delivery systems rely on getting the goods on time. Product reliability, which is the ability of a system to perform according to its functional targets, is consequently a crucially important property for a heavy truck. This paper proposes a structure for a system reliability model that integrates different and complementary representations, such as Function-Means trees and Design Structure Matrix. The novelty of the presented approach is that it treats and integrates the technical and the human subsystems through the human-technical system interfaces in an extended DSM. The proposed reliability systems approach is verified with a component analysis case study of a truck cab and driver system.

Keywords: extended DSM, interactive functions

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