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Accuracy and Computational Complexity Analysis of Design Models Created by Virtual Sculpting

[+] Author Affiliations
Weihan Zhang, Ming C. Leu

University of Missouri at Rolla

Xiaobo Peng

Prairie View A&M University

Denis Blackmore

New Jersey Institute of Technology

Paper No. IMECE2005-80506, pp. 63-69; 7 pages
doi:10.1115/IMECE2005-80506
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Computers and Information in Engineering
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Computers and Information in Engineering Division
  • ISBN: 0-7918-4214-2 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

We have developed an experimental virtual sculpting system with haptic interface, which allows the user to create a freeform model interactively. The virtual sculpting method is based on the metaphor of carving a solid block into a 3D freeform object. The PHANToM™ manipulator is used to provide the position and orientation data of the sculpting tool and to generate haptic sensation to the user’s hand during the sculpting process. The goal is to provide a high-fidelity simulation system with real-time performance and adequate accuracy of the generated model. In order to understand the limitations on the geometric details that can be generated, we perform an accuracy analysis in different aspects. The computational complexity due to various parameters of the virtual sculpting system is also analyzed. Numerical data are presented to verify the analytical results.

Copyright © 2005 by ASME

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