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Product Architecture Transition in a Modular Cyber-Physical Truck
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.).
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.).
KTH, Skolan för industriell teknik och management (ITM), Maskinkonstruktion (Inst.), Maskinkonstruktion (Avd.).ORCID-id: 0000-0003-4461-0209
2018 (engelsk)Inngår i: ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, ASME Press, 2018, Vol. Volume 1A, artikkel-id DETC2018-85364Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A modular product architecture is a strategic means to deliver external variety and internal commonality. In this paper, we propose a new clustering based method for product modularization that integrates product complexity and company business strategies. The proposed method is logically verified by a studied industrial case, where the architecture of a heavy truck driveline is analyzed in terms of how it has evolved over a couple of decades, due to changed business strategies and the evolution of new technology. The presented case indicates that the new methodology is capable of identifying and proposing reasonable module candidates that address product complexity as well as company-specific strategies. Furthermore, the case study clearly shows that the business strategic reasons for a specific architecture can be found by analyzing how sensitive the clusters are to changes in the module drivers.

sted, utgiver, år, opplag, sider
ASME Press, 2018. Vol. Volume 1A, artikkel-id DETC2018-85364
Emneord [en]
Business Strategy, Clustering, Complexity, DSM, Integrated Modularization, MFD, Product Architecting
HSV kategori
Forskningsprogram
Maskinkonstruktion
Identifikatorer
URN: urn:nbn:se:kth:diva-244470DOI: 10.1115/DETC2018-85364Scopus ID: 2-s2.0-85056863711ISBN: 9780791851722 (tryckt)OAI: oai:DiVA.org:kth-244470DiVA, id: diva2:1290944
Konferanse
38th Computers and Information in Engineering Conference
Tilgjengelig fra: 2019-02-21 Laget: 2019-02-21 Sist oppdatert: 2019-02-22bibliografisk kontrollert
Inngår i avhandling
1. On integrated modularization for situated product configuration
Åpne denne publikasjonen i ny fane eller vindu >>On integrated modularization for situated product configuration
2019 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Road transports face increasing societal challenges with respect to emissions, safety, and traffic congestion, as well as business challenges. Truck automation, e.g. self-driving trucks may be utilized to address some of these issues. Autonomous transport vehicles may be characterized as Cyber-Physical Systems (CPS). A drawback is that CPS significantly increase technical complexity and thus introduce new challenges to system architecting.

A product architecture is the interrelation between physical components and their function, i.e. their purpose. Product architectures can be categorized as being modular or integral. The main purpose of a modular architecture is to enable external variety and at the same time internal commonality. Products with a modular architecture are configured from predesigned building blocks, i.e. modules. A stable module, which is a carrier of main function(s) has standardized interfaces, is configured for company-specific reasons, which means it supports a company-specific (business) strategy.

In this thesis, the present state at the heavy vehicle manufacturer Scania, concerning product architecting, modularization, product description and configuration is investigated. Moreover, a new clustering based method for product modularization that integrates product complexity and company business strategies is proposed. The method is logically verified with multiple industrial cases, where the architecture of a heavy truck driveline is used as a test bench. The driveline contains synergistic configurations of mechanical, electrical and software technologies that are constituents of an automated  and/or semi-autonomous system, i.e. the driveline may be characterized as a CPS. The architecture is analyzed both from technical complexity and business strategy point of view. 

The presented research indicates that a structured methodology which supports the development of the product architecture is needed at Scania, to enable control of the increasing technical complexity in the Cyber-Physical Systems. Finally, configuration rules are identified to be highly important in order to successfully realize a modular product architecture. A drawback with this approach is that the solution space becomes hard to identify, therefore a complete and flexible product description methodology is essential. The results from the case studies indicate that clustering of a Product Architecture DSM may result in a modular architecture with significantly reduced complexity, but with clusters that contain conflicting module drivers. It is also identified that the new modularization methodology is capable of identifying and proposing reasonable module candidates that address product complexity as well as company-specific strategies. Furthermore, several case studies show that the proposed method can be used for analyzing and finding the explicit and/or implicit, technical as well as strategic, reasons behind the architecture of an existing product. 

sted, utgiver, år, opplag, sider
STOCKHOLM: KTH Royal Institute of Technology, 2019. s. 40
Serie
TRITA-ITM-AVL ; 2019:4
Emneord
Modularization, Product Description, Module, Product Structure, Product Architecture, Cyber-Physical System
HSV kategori
Forskningsprogram
Maskinkonstruktion
Identifikatorer
urn:nbn:se:kth:diva-244475 (URN)978-91-7873-115-2 (ISBN)
Presentation
2019-03-14, B242, Brinellvägen 83, STOCKHOLM, 10:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2019-02-25 Laget: 2019-02-22 Sist oppdatert: 2019-02-25bibliografisk kontrollert

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