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Approaches to System Complexity in the Early Stage of Product Design (CROSBI ID 489443)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Kljajin, Milan Approaches to System Complexity in the Early Stage of Product Design // Proceedings of ESDA2002: 6th Biennial Conference on Engineering Systems Design and Analysis. Istanbul: ASME International, 2002. str. 1-6-x

Podaci o odgovornosti

Kljajin, Milan

engleski

Approaches to System Complexity in the Early Stage of Product Design

This paper discusses some approaches to system complexity in the early stage of product design. There are a number of approaches to dealing with the system complexity that have evolved in the last couple of decades. The initial attempt goes as early as in 1964, when Alexander proposed partitioning the design process into minimally coupled groups (Alexander, 1964). Simon later (1981) suggested that complexity could be handled by dividing the original problem as a set of nearly decomposable groups. These groups could be organised as hierarchical structures such that the strongest interactions occur within groups and weaker interaction occurs across groups (Simon, 1981). One most widely used approach to deal with complexity is to decompose the system into a set of hierarchical structures. The system may span into sets from subsystems to components, to parts, to materials/attributes/features/parameters, and then to common representation and standards. This paper is going to show these procedures on a couple of real complex products. The product breakdown structure (PBS) forms the basis for hierarchical descriptions of the concurrent engineering (CE) design process. This can be done whether the CE design process is tightly coupled or highly integrated. Product decomposition is especially necessary in the case of high complexity. Physical-based decomposition (PBD) is the complexity of the products and of the processes, present in the system, which compels a product manufacturer to look for the product and process breakdown structures. This breakdown is necessary to exploit any inherent concurrency so that the individual tasks can be overlapped (run in parallel). The degree of overlap complexity also goes up when the number of dependent functions within a particular link (say for instance, command line, menu-typed windows, graphics window, etc.) increases. The degree of overlap advantage on the other hand is governed by the complexity of the tasks performed by the link in question. The degree of overlap advantage decreases as complexity of the tasks increase.

System Complexity; Product Design; Product Decomposition

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Podaci o prilogu

1-6-x.

2002.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of ESDA2002: 6th Biennial Conference on Engineering Systems Design and Analysis

Istanbul: ASME International

Podaci o skupu

ESDA2002: 6th Biennial Conference on Engineering Systems Design and Analysis

predavanje

08.07.2002-11.07.2002

Istanbul, Turska

Povezanost rada

Strojarstvo