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Identification of functional components in mechanical assemblies

Article dans une revue avec comité de lecture
Auteur
LUPINETTI, Katia
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
175453 Arts et Métiers ParisTech
GIANNINI, Franca
48864 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI]
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
MONTI, Marina
73335 Istituto di Matematica Applicata e Tecnologie Informatiche [IMATI-CNR]
ccPERNOT, Jean-Philippe
543315 Laboratoire d’Ingénierie des Systèmes Physiques et Numériques [LISPEN]

URI
http://hdl.handle.net/10985/16979
Date
2017
Journal
Procedia CIRP

Résumé

Manufactured products with different purposes often include similar mechanisms to realize movements required to satisfy specific functionalities. An automatic identification of common mechanisms in assembly models would be a valuable support for analysing or reusing exiting solutions during the design process. In this paper, we present a first step towards the identification of mechanism for motion transformation, focusing on those containing non-linear bearings. In particular, we describe methods for non-linear bearing identification within assemblies, which allow axial rotation, as a shaft rotation. The main novelty concerns the capability of detecting bearings independently on their design level of details, i.e. represented as assemblies of their constituent components or idealized by their external 3D shape outline. The proposed method is based on a set of rules defined according to a priori knowledge and exploits implicit information automatically extracted from the assembly description and can be extended to other types of mechanism.

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Documents liés

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  • Automatic extraction of assembly component relationships for assembly model retrieval 
    Article dans une revue avec comité de lecture
    LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe (ELSEVIER, 2016)
    Even if during the Product Design Process, assembly models are described in terms of their constitutive components and associated relationships, only the position of each component is often stored within the Digital Mock-Up. ...
  • CAD assembly descriptors for knowledge capitalization and model retrieval 
    Communication avec acte
    LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe (2016)
    Today, there exists a huge amount of digital data easily downloadable from Internet and/or simply accessible from large databases. Despite this rise, the methods to retrieve and search for specific data have not been ...
  • Content-based CAD assembly model retrieval: Survey and future challenges 
    Article dans une revue avec comité de lecture
    LUPINETTI, Katia; MONTI, Marina; GIANNINI, Franca; ccPERNOT, Jean-Philippe (Elsevier, 2019)
    Currently, the content-based retrieval is a problem of major interest in several different fields and, focusing on mechanical engineering, many approaches exist to compare and retrieve single CAD parts, to evaluate shape ...
  • Content-based multi-criteria similarity assessment of CAD assembly models 
    Article dans une revue avec comité de lecture
    LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe (Elsevier, 2019)
    The use of Digital Mock-Up (DMU) has become mainstream to support the engineering activities all along the Product Development Process. Over the years, companies generate large databases containing digital models and ...
  • A 3D CAD assembly benchmark 
    Communication avec acte
    LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe (Eurographics, 2019)
    Evaluating the effectiveness of the systems for the retrieval of 3D assembly models is not trivial. CAD assembly models can be considered similar according to different criteria and at different levels (i.e. globally or ...

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