TITLE

Updating 3D triangular mesh models based on locally added point clouds

AUTHOR(S)
Woo, H.; Dey, T.
PUB. DATE
September 2006
SOURCE
International Journal of Advanced Manufacturing Technology;Sep2006, Vol. 30 Issue 3/4, p261
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In a manufacturing area, design changes for an original surface model are frequently required: for example, when the physical parts are modified or when the parts are partially manufactured from analogous shapes. In this case, an efficient surface updating method by locally adding scan data for the modified area is highly desirable. For this purpose, this paper presents a new procedure to update an initial model that is composed of combinatorial triangular facets based on a set of locally added point data. Nowadays, many people are using surface models that are represented by triangular facets in reverse engineering, since it is fast and easy to create the triangular meshes directly from large amounts of point data. The initial surface model is first created from the initial point set by tight cocone, which is a water-tight surface reconstructor; and then the point cloud data for the updates is locally added onto the initial model maintaining the same coordinate system. In order to update the initial model, the special region on the initial surface that needs to be updated is recognized through the detection of the overlapping area between the initial model and the boundary of the newly added point cloud. After that, the initial surface model is eventually updated to the final output by replacing the recognized region with the newly added point cloud. The proposed method has been implemented and tested with several examples. This algorithm will be practically useful to modify the surface model with physical part changes and free-form surface design.
ACCESSION #
21746911

 

Related Articles

  • Are Your Prices Right? Zubko, Nick // Industry Week/IW;Jan2009, Vol. 258 Issue 1, p28 

    The article examines the role of both buyer and seller in manufacturing process. Now caught in the middle of a financial meltdown, many companies are finding out that determining the best price for their end products is just as important as what it costs. Over the past year, the sliding economy...

  • Scheduling of Discrete Manufacturing Process for Energy Saving. Long Tuo; Lu Dai; Xiong Chen // Applied Mechanics & Materials;2014, Issue 556-562, p4248 

    Rotor machining is a traditional discrete manufacturing process, among which large amount of non-essential energy is being wasted. The machining process belongs to pipeline production, so a flow-shop scheduling model is built to optimize it. But when there are over three machines, this will be...

  • Geometric Optimization Algorithms in Manufacturing. Kai Tang // Computer-Aided Design & Applications;2005, Vol. 2 Issue 6, p747 

    In this paper we review the recent progress in the design of efficient algorithms for several geometric optimization problems in manufacturing processes. We first describe the strong geometric characteristics of optimization problems in manufacturing. Three illustrative problems are then...

  • GETTING SCANNED COMPLEX PARTS. DUME, Adrian; COSMA, Cristian; STAN, Daniel; ICLANZAN, Tudor // Annals of DAAAM & Proceedings;Jan2009, p639 

    This in work proposes us to achieve part of complex configuration on machines tools using the rapid prototyping. is departed from an existing which part is scanning again then the cloud of points output in trace of the process of scan is transformed with of a help software's solid in. in order...

  • Global trends point to a changing DAQ market.  // Process Engineering;Sep/Oct2010, Vol. 91 Issue 5, p16 

    The article discusses the need for manufacturing companies to provide a global service to meet the needs of customers operating on a worldwide basis. It highlights the result of the global survey conducted by data-acquisition and analysis company HBM BioVentures Ltd. which determines the needs...

  • Variability Reduction Through Operations Reversal. Lee, Hau L.; Tang, Christopher S. // Management Science;Feb1998, Vol. 44 Issue 2, p162 

    Products with high product variety are often made in a manufacturing process (or a supply chain) consisting of multiple stages, with products taking certain features or "personalities" at each stage. The product may start as a common single engine. As the product moves along manufacturing...

  • Proving manufacturability at the design stage using commercial modeling Software: Through feature mapping and feature Accessibility. Srikumaran, S.; Sivaloganathan, S. // Computer-Aided Design & Applications;2005, Vol. 2 Issue 1-4, p507 

    It is a fundamental requirement that during the design of a component, its manufacturability to the required quality at an acceptable cost must be ensured. In machining, achieving the required quality is ensured by performing all machining quality critical operations in a single setting-up....

  • Nondestructive Evaluation of Shoes Bonded Area Defect Composed of EVA Materials. CHOI, S.-H.; KIM, J.-Y. // Acta Physica Polonica, A.;Feb2013, Vol. 123 Issue 2, p333 

    The accurate detection of product defects in the assembly line is crucial to any industry. To achieve accurate detection, extensive studies have been conducted, in particular, on the nondestructive inspection technique. Shoe manufacturers, however, have yet to adopt a reliable defect-detection...

  • DESIGN OF AUTOMATED DISASSEMBLY PROCESS AS AN ELEMENT OF INTELLIGENT ASSEMBLY CELL. Ruzarovsky, R.; Zvolensky, R.; Velisek, K. // Annals of DAAAM & Proceedings;2010, p123 

    Disassembly is new and also rapid developed trend in the manufacturing area. In the future the disassembly will be inseparable part of manufacturing process. Especially this fact will be important for that part of industry, which is focused to the products with variable nature. The nature of...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics