A preliminary design embodiment analysis through the graph theory implementation
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ORIGINAL PAPER
A preliminary design embodiment analysis through the graph theory implementation Khadija Hmina1
· Mohammed Sallaou1 · Abdelmajid Ait Taleb1 · Larbi Lasri1 · Mehdi El Amine1
Received: 18 September 2019 / Accepted: 28 August 2020 © Springer-Verlag France SAS, part of Springer Nature 2020
Abstract The work presented in this article underlines the embodiment design phase aiming at the determination of different possible architectures of a system according to the energy vision combined with the graph theory. Indeed, the embodiment design phase presents the difficulty of organizing the design alternatives. This difficulty is due to the fact that the various components of the system are not yet fully defined, and there are many arrangement possibilities. In this context, we seek to structure a methodology for the preliminary definition of the technical system architecture, while respecting the TRIZ law of completeness of the system parts. We consider the availability of the transmission elements of the principal energy flow (functional flow). The modeling of the system will concern the flow ensuring the positioning of the system principal component called (contact flow). The modeling of an optimal system composed of the main elements (converter, transmitter, operator, and reference) with a graph ensures the possibility to propose various architectures based on the combinations of these components. The proposed approach consists of three principal phases: appropriate graph-system model association, inappropriate solutions elimination, full system definition, and decision making. An illustration of the methodology is carried out on a wind system example. Keywords Embodiment design · Energy vision · Graph theory · TRIZ · Architectures
1 Introduction Product design is a creative activity that responds to needs expressed as a formalized product following a succession of artifacts emitted during the design process. According to Suh, the design represents the transformation of functional requirements into design parameters [21]. Design is also seen as a process that includes a sequence of linked design activities to create one or more representations of the product [13]. Among the prescriptive models of design, we find that Pahl and Beitz proposed a systematic procedure of design [9]. According to the latter, we distinguish between the four main design phases: the need analysis phase, the concept research phase, the embodiment design phase, and the detailed design phase. In this context, our study is limited to the embodiment design phase. Generally, a function is defined as the transformation of a basic element “energy, matter or signal”
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Khadija Hmina [email protected] Ecole Nationale Supérieure d’Arts et Métiers ENSAM-Meknès, Meknes, Morocco
into another [17]. Starting from this definition, the energy vision adopted in our approach emphasizes that a functional flow associated with the realization of a function is always an energy flow [10]. This vision, combined with TRIZ law of system completen
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