• 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, ...
    • 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 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   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 ...
    • 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 ...
    • 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   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   Sketch-Based Modeling in Mechanical Engineering Design: Current Status and Opportunities 

      Dorribo Camba, Jorge; Company, Pedro; Naya, Ferran Elsevier (2022-05-08)
      Sketch-Based Modeling (SBM) is a field of study that focuses on the automatic creation of 3D models from freehand drawings. Today, two related branches coexist: one aimed at facilitating input for 3D content creation, and ...
    • 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 ...
    • openAccess   Web-Based System for Adaptable Rubrics: Case Study on CAD Assessment 

      Company, Pedro; Contero, Manuel; Otey, Jeffrey; Dorribo Camba, Jorge; Agost, Maria-Jesus; Pérez López, David University of North Texas (2017)
      This paper describes the implementation and testing of our concept of adaptable rubrics, defined as analytical rubrics that arrange assessment criteria at multiple levels that can be expanded on demand. Because of its ...