Browsing EMC_Articles by Author "68845334-e557-416a-9e9a-3e59a536f3ed"

Now showing items 1-20 of 21

    • 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 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 ...

    • openAccess   A voice-based annotation system for collaborative computer-aided design 

      Plumed, Raquel; González-Lluch, Carmen; Pérez López, David; Contero, Manuel; Dorribo Camba, Jorge Oxford University Press (2020-12-31)
      In this paper, we describe a voice-based interaction mechanism to annotate 3D models directly from a computer-aided design (CAD) modeling environment. The audio signal is captured and automatically transcribed to a textual ...

    • 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   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   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 ...

    • openAccess   On the Role of Geometric Constraints to Support Design Intent Communication and Model Reusability 

      Company, Pedro; Naya, Ferrán; Contero, Manuel; Dorribo Camba, Jorge CAD Solutions (2020)
      The assurance of model quality in parametric CAD implies that designers must build models that facilitate reuse while retaining their design intent when modified. In this context, a suitable selection of geometric constraints ...

    • openAccess   Product Data Quality and Collaborative Engineering 

      Contero, Manuel; Company, Pedro; Vila, Carlos; Aleixos, Nuria IEEE Computer Society (2002-05)
      n this article, the authors analyze the impact of product data quality in the implementation of collaborative engineering in an extended enterprise framework. They also analyze the product data model as a key element for ...

    • openAccess   Revisiting the Design Intent Concept in the Context of Mechanical CAD Education 

      Otey, Jeffrey; Company, Pedro; Contero, Manuel; Dorribo Camba, Jorge Taylor & Francis (2018-01)
      Design intent is generally understood simply as a CAD model’s anticipated behavior when altered. However, this representation provides a simplified view of the model’s construction and purpose, which may hinder its general ...

    • openAccess   Supporting Connectivism in Knowledge Based Engineering with Graph Theory, Filtering Techniques and Model Quality Assurance 

      Johansson, Joel; Contero, Manuel; Company, Pedro; Elgh, Fredrik Elsevier (2018-10)
      Mass-customization has forced manufacturing companies to put significant efforts to digitize and automate their engineering and production processes. When new products are to be developed and introduced the production is ...

    • closedAccess   Synchronous communication in PLM environments using annotated CAD models 

      Dorribo Camba, Jorge; Contero, Manuel; Salvador-Herranz, Gustavo; Plumed, Raquel Springer Verlag (2016-06)
      The connection of resources, data, and knowledge through communication technology plays a vital role in current collaborative design methodologies and Product Lifecycle Management (PLM) systems, as these elements act as ...

    • openAccess   Teachers as Designers of Formative e-Rubrics: A Case Study on the Introduction and Validation of Go/No Go Criteria 

      Company, Pedro; Otey, Jeffrey; Agost, Maria-Jesus; Contero, Manuel; Dorribo Camba, Jorge Springer Verlag (2019-07-18)
      Information and Communications Technologies (ICTs) offer new roles to teachers to improve learning processes. In this regard, learning rubrics are commonplace. However, the design of these rubrics has focused mainly ...

    • openAccess   The Cost of Change in Parametric Modeling: A Roadmap 

      Dorribo Camba, Jorge; Contero, Manuel; Company, Pedro; Hartman, Nathan CAD Solutions (2021)
      In this paper, we lay the foundation for estimating the cost associated to parametric modeling changes and discuss its implications on the broader context of engineering change management. We provide an analysis of the ...