Browsing EMC_Articles by Author "bcd59aa5-954f-435d-81a4-1d224d9869f9"

Now showing items 1-20 of 32

    • openAccess   A case study on the use of model quality testing tools for the assessment of MCAD models and drawings 

      González-Lluch, Carmen; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge; Colom, Jesús Ahmad Ibrahim (2017-08)
      In this paper, we build on the idea that specialized instruction improves the overall quality of CAD documents by guiding students into selecting the most suitable modeling strategies and approaches. To this end, automatic ...

    • openAccess   A constraint redundancy elimination strategy to improve design reuse in parametric modeling 

      González-Lluch, Carmen; Plumed, Raquel; Pérez López, David; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge Elsevier (2021-08)
      Strategies for design reuse play a fundamental role in the development of products that change and evolve over time. Design changes often involve modifications in the geometry of parts and assemblies, which are driven by ...

    • openAccess   A Functional Classification of Text Annotations for Engineering Design 

      Company, Pedro; Dorribo Camba, Jorge; Patalano, Stanislao; VITOLO, Ferdinando; Lanzotti, Antonio Elsevier (2023-02-04)
      Describing and supplementing geometric shapes (parts) and layouts (assemblies) with relevant information is key for successful product design communication. 3D annotation tools are widely available in commercial systems, ...

    • closedAccess   A new algorithm for finding faces in wireframes 

      Varley, Peter Ashley Clifford; Company, Pedro Elsevier (2010)
      The problem of identifying the topology implied by wireframe drawings of polyhedral objects requires the identification of face loops, loops of edges which correspond to a face in the object the drawing portrays. In this ...

    • openAccess   A quantitative analysis of parametric CAD model complexity and its relationship to perceived modeling complexity 

      Contero, Manuel; Pérez López, David; Company, Pedro; Camba, Jorge D. Elsevier (2023)
      Digital product data quality and reusability has been proven a critical aspect of the Model-Based Enterprise to enable the efficient design and redesign of products. The extent to which a history-based parametric CAD ...

    • openAccess   A survey on 3D cad model quality assurance and testing tools 

      González-Lluch, Carmen; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge; Plumed, Raquel Elsevier (2017-02)
      A new taxonomy of issues related to CAD model quality is presented, which distinguishes between explicit and procedural models. For each type of model, morphologic, syntactic, and semantic errors are characterized. The ...

    • openAccess   A survey on geometrical reconstruction as a core technology to sketch-based modeling 

      Company, Pedro; Piquer, Ana; Contero, Manuel; Naya, Ferran Elsevier (2005-12)
      In this work, the background and evolution of three-dimensional reconstruction of line drawings during the last 30 years is discussed. A new general taxonomy is proposed to make apparent and discuss the historical evolution ...

    • closedAccess   Activity modelling in a collaborative ceramic tile design chain: an enhanced IDEF0 approach 

      Romero Subirón, Fernando; Company, Pedro; Agost, Maria-Jesus; Vila, Carlos Springer-Verlag (2008)
      Explicit descriptions of should-be and to-be activities and processes are key elements in implementing industrial projects aimed at improving new-product development (NPD) processes, especially when e-collaboration utilities ...

    • openAccess   Algorithmic Perception of Vertices in Sketched Drawings of Polyhedral Shapes 

      Company, Pedro; Plumed, Raquel; Varley, Peter; Dorribo Camba, Jorge Association for Computing Machinery (ACM) (2019-09)
      In this article, visual perception principles were used to build an artificial perception model aimed at developing an algorithm for detecting junctions in line drawings of polyhedral objects that are vectorized from ...

    • openAccess   An optimisation-based reconstruction engine for 3D modelling by sketching 

      Company, Pedro; Contero, Manuel; Conesa, Julián; Piquer, Ana Elsevier (2004-12)
      An engine that automatically reconstructs a large variety of polyhedral, origami and wire-frame objects from single-view sketched drawings generated in a calligraphic interface is presented. The engine has two stages. An ...

    • closedAccess   Assessment of Parametric Assembly Models Based on CAD Quality Dimensions 

      Otey, Jeffrey; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge Taylor & Francis (2018)
      An approach to convey CAD quality - oriented strategies to beginning users to create bottom - up assemblies is described . The work builds on previous efforts in the area of single part ...

    • openAccess   CAD training for digital product quality: a formative approach with computer‑based adaptable resources for self‑assessment 

      Agost, Maria-Jesus; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge Springer (2021-01-04)
      As the engineering and manufacturing sectors transform their processes into those of a digital enterprise, future designers and engineers must be trained to guarantee the quality of the digital models that are created and ...

    • closedAccess   Computer-aided sketching as a tool to promote innovation in the new product development process 

      Company, Pedro; Contero, Manuel; Varley, Peter Ashley Clifford; Aleixos, Nuria; Naya, Ferran Elsevier (2009)
      Sketching is an established part of engineering culture. Sketches assist product designers during the creative stages of design and help them to develop inventions. Paper-and-pencil sketching is highly useful but lacks ...

    • openAccess   Educational software for teaching drawing-based conceptual design skills 

      Company, Pedro; Contero, Manuel; Piquer, Ana; Aleixos, Nuria; Conesa, Julián; Naya, Ferran Wiley (2004-12-17)
      An education-oriented computer application to draw sketches of polyhedrons that are automatically recognized to reconstructs the suitable three-dimensional (3D) models is presented. The users can modify the sketches and ...

    • openAccess   Extracting datums to reconstruct CSG models from 2D engineering sketches of polyhedral shapes 

      Plumed, Raquel; Varley, Peter; Company, Pedro; Martin, Ralph Elsevier (2022)
      Our goal is to automatically generate CAD 3D models from 2D sketches as part of a design chain where models should be procedural, containing features arranged in a model tree and linked to suitable datums. Current procedural ...

    • openAccess   Gráficos en investigación y diseño 

      Company, Pedro; Gomis Martí, José María Inegraf (1994)
      En este trabajo se aborda el estudio genérico de los procesos de investigación y diseño, con la intención de revisar las diferencias y semejanzas entre ambos, en cuanto al empleo de herramientas gráficas. La principal ...

    • openAccess   Improving Visualization Skills in Engineering Education 

      Contero, Manuel; Company, Pedro; Saorín Pérez, José Luis; Naya, Ferran; Conesa, Julián IEEE Computer Society (2005-09)
      This article analyzes the importance of visualization skills in engineering education. It proposes a dual approach based on computer graphics applications using both Web-based graphic applications and a sketch based modeling ...

    • openAccess   Integrated modeling with Top-Down approach in subsidiary industries 

      Aleixos, Nuria; Company, Pedro; Contero, Manuel Elsevier (2004-01)
      This article considers how conceptual design of industrial products is supported by current CAD systems. The case of subsidiary industries, or first tier suppliers, that must simultaneously deal with different customers ...

    • openAccess   Learning Support Tools for Developing Spatial Abilities in Engineering Design 

      Cantero, Manuel; Naya, Ferran; Company, Pedro; Saorín Pérez, José Luis Tempus Publications (2006)
      This paper presents some learning support tools for developing spatial abilities in engineering design students. They are based on the previous authors' experience in teaching traditional Engineering Graphics and uses both ...

    • openAccess   On the effects of the fix geometric constraint in 2D profiles on the reusability of parametric 3D CAD models 

      González-Lluch, Carmen; Company, Pedro; Contero, Manuel; Pérez López, David; Dorribo Camba, Jorge Springer-Verlag (2018-06)
      In order to be reusable, history-based feature-based parametric CAD models must reliably allow for modifications while maintaining their original design intent. In this paper, we demonstrate that relations that fix the ...