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Research Papers

Product Architecture Transition in a Modular Cyber-Physical Truck

[+] Author and Article Information
David Williamsson

Scania CV AB,
KTH Royal Institute of Technology,
Södertälje, Stockholm 151 48, Sweden
e-mail: david.williamsson@scania.com

Ulf Sellgren

Department of Machine Design,
KTH Royal Institute of Technology,
Stockholm 114 28, Sweden
e-mail: ulfs@md.kth.se

Anders Söderberg

Department of Machine Design,
KTH Royal Institute of Technology,
Stockholm 114 28, Sweden
e-mail: aes@kth.se

Contributed by the Computers and Information Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received September 14, 2018; final manuscript received February 20, 2019; published online March 18, 2019. Assoc. Editor: Mahesh Mani.

J. Comput. Inf. Sci. Eng 19(3), 031002 (Mar 18, 2019) (9 pages) Paper No: JCISE-18-1238; doi: 10.1115/1.4042961 History: Received September 14, 2018; Revised February 20, 2019

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 (MD).

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References

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Figures

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Fig. 1

A truck product family

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Fig. 2

The modular toolbox

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Fig. 3

Cutaway illustration of a truck powertrain

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Fig. 4

Illustration of the investigated product architecture

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Fig. 5

A graph-based representation

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Fig. 6

From component to strategically adapted DSM

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Fig. 7

Illustration of the present modular architecture

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Fig. 8

Design structure matrix clustered modular architecture (equal relation weights) (three conflicting clusters)

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Fig. 9

Design structure matrix clustered modular architecture, increased importance of information flow (three conflicting clusters)

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Fig. 10

Integrated module clustering method clustered modular architecture (equal relation weights) (zero conflicting clusters)

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