Automatic extraction of assembly component relationships for assembly model retrieval
Article dans une revue avec comité de lecture
Author
Date
2016Journal
Procedia CIRPAbstract
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. Thus, the mating information are lost. However, these relationships are crucial for many applications, such as retrieval, assembly planning and finite element simulations. In this paper, we propose a method for the detection and use of the mating relationships for assembly model retrieval. The proposed approach detects and analyses the interferences between parts to compute their degree of freedom and kinematic pairs. To support the retrieval of assembly models, the extracted information are formalized and capitalized in a newly proposed hierarchical assembly model descriptor. Results of the application of the method are also provided to show the system capabilities. Moreover, considering that a same joint can be defined in multiple ways, this work provides also a method for retrieving assemblies in a dataset according to the part relationships and their class of equivalence.
Files in this item
Related items
Showing items related by title, author, creator and subject.
-
Communication avec acteToday, 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 ...
-
Article dans une revue avec comité de lectureCurrently, 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 ...
-
Article dans une revue avec comité de lectureThe 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 ...
-
Communication avec acteEvaluating 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 ...
-
Chapitre d'ouvrage scientifiqueRUCCO, Matteo; LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; PERNOT, Jean-Philippe (Springer International Publishing, 2017)This paper presents a method for the retrieval and inspection of similar CAD assemblies in a database according to a user query. The method exploits the information on components’ shape and relationships (e.g. contacts and ...