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User-Driven Computer-Assisted Reverse Engineering of Editable CAD Assembly Models

Article dans une revue avec comité de lecture
Auteur
ccSHAH GHAZANFAR, Ali
GIANNINI, Franca
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]
ccPOLETTE, Arnaud

URI
http://hdl.handle.net/10985/22962
DOI
10.1115/1.4053150
10.1115/1.4053150
Date
2021-12-16
Journal
Journal of Computing and Information Science in Engineering

Résumé

This paper introduces a novel reverse engineering (RE) technique for the reconstruction of editable computer-aided design (CAD) models of mechanical parts’ assemblies. The input is a point cloud of a mechanical parts’ assembly that has been acquired as a whole, i.e., without disassembling it prior to its digitization. The proposed framework allows for the reconstruction of the parametric CAD assembly model through a multi-step reconstruction and fitting approach. It is modular and it supports various exploitation scenarios depending on the available data and starting point. It also handles incomplete datasets. The reconstruction process starts from roughly sketched and parameterized CAD geometries (i.e., 2D sketches, 3D parts, or assemblies) that are then used as input of a simulated annealing-based fitting algorithm, which minimizes the deviation between the point cloud and the adapted geometries. The coherence of the CAD models is maintained by a CAD modeler that performs the geometries’ updates while guaranteeing the possibly imposed constraints and model coherence. The optimization process leverages a two-level filtering technique able to capture and manage the boundaries of the geometries inside the overall point cloud in order to allow local fitting and interfaces detection. It is a user-driven approach where the user decides what are the most suitable steps and sequence to operate. It has been tested and validated on both real scanned point clouds and as-scanned virtually generated point clouds incorporating several artifacts that would appear with real acquisition devices.

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  • Laboratoire d’Ingénierie des Systèmes Physiques Et Numériques (LISPEN)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Case‑based tuning of a metaheuristic algorithm exploiting sensitivity analysis and design of experiments for reverse engineering applications 
    Article dans une revue avec comité de lecture
    ccSHAH GHAZANFAR, Ali; ccPOLETTE, Arnaud; ccPERNOT, Jean-Philippe; GIANNINI, Franca; MONTI, Marina (SPRINGER, 2022-03-17)
    Due to its capacity to evolve in a large solution space, the Simulated Annealing (SA) algorithm has shown very promising results for the Reverse Engineering of editable CAD geometries including parametric 2D sketches, ...
  • Sensitivity Analysis for Simulated Annealing-Based Fitting of CAD Models to Point Clouds of Digitized Parts 
    Chapitre d'ouvrage
    SHAH, Ghazanfar Ali; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe; ccPOLETTE, Arnaud (Springer International Publishing, 2021-04-22)
    AbstractThis paper addresses the way a simulated annealing-based fitting strategy can be enhanced by leveraging a sensitivity analysis able to characterize the impact of the variations in the parameters of a CAD model on ...
  • Simulated annealing-based fitting of CAD models to point clouds of mechanical parts’ assemblies 
    Article dans une revue avec comité de lecture
    ccSHAH GHAZANFAR, Ali; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe; ccPOLETTE, Arnaud (Springer Science and Business Media LLC, 2020-02-18)
    This paper introduces a new ftting approach to allow an efcient part-by-part reconstruction or update of editable CAD models fitting the point cloud of a digitized mechanical parts′ assembly. The idea is to make use ...
  • As-scanned point clouds generation for virtual Reverse Engineering of CAD assembly models 
    Article dans une revue avec comité de lecture
    MONTLAHUC, Jérémy; ccSHAH GHAZANFAR, Ali; ccPERNOT, Jean-Philippe; ccPOLETTE, Arnaud (CAD Solutions LLC (imprimé) and Taylor & Francis Online (en ligne), 2019)
    This paper introduces a new approach for the generation of as-scanned point clouds of CAD assembly models. The resulting point clouds incorporate various realistic artifacts that would appear if the corresponding real ...
  • Multi-criteria retrieval of CAD assembly models 
    Article dans une revue avec comité de lecture
    LUPINETTI, Katia; GIANNINI, Franca; MONTI, Marina; ccPERNOT, Jean-Philippe (Elsevier, 2018)
    Being able to reuse existing design knowledge is of major interest to help designers during the creation of new products. This is true at the level of the parts and even more at the level of the assemblies of multiple ...

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