In the present study, through the early steps of the FARD (functional and robust design) model, the external functional analysis and the internal functional analysis we demonstrated that a better way of defining the assembly sequence of the operative part called the "head part" of a case study system pneumatic scraper. However, we set a goal to achieve a time saving of an estimated 50% when using the complete FARD model proposed and further scope will be further investigated. The proposed methodology identifies the assembly sequence that best suits the modularity desired while meeting the functional requirements of the product range. The algorithm for generating eligible sequences proposed in this paper, includes a modelling graph form as proposed by Demoly et al. by adding the notion of colours to identify the nodes of the graph based on their membership in a technical function. Motif matching tends to form sub-assembly sequences meeting components of the same technical function. As coloured motifs are identified, the graph is contracted, while maintaining the precedence relations. From the contracted graph, we generate eligible assembly sequences using the CSP resolution. So far, we have tested this algorithm on several parts of the graph, each one represents a technical product, limiting themselves to the search for simple coloured motifs (series type). Subsequently, we wish to confirm the relevance of our approach on a graph with all the components of a product and expand our search for coloured motifs to more complex motifs (other than series and with more components). Regarding the simulation aspects of the FARD methodology (not presented in this paper), it will be developed and tested with other application cases. Ultimately, numerical multi-physics simulation will be fully integrated into the FARD design process proposed. It is envisaged that all stages of the product design and simulation steps will be integrated to create robust understanding of a life-cycle oriented product solution for project team members of a that enables them to have all the required information (specifications, constraints, parameters, ...). The multi-physics simulation will be developed and tested through the definition of analytical models and also Finite Elements models, in order to validate the compliance with various standards (noise, vibration, etc.) and the robustness of the product range.


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    Title :

    A new approach to modularity in product development - utilising assembly sequence knowledge


    Contributors:
    Robert, A. (author) / Yan, X.T. (author) / Roth, S. (author) / Deschinkel, K. (author) / Gomes, S. (author)


    Publication date :

    2011


    Size :

    11 Seiten, 8 Bilder, 1 Tabelle, 23 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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