Exploiting shape similarities amongst parts for applications such as variant process planning is well known in the manufacturing industry. This particular application requires a mechanism for retrieval of similar parts from a part database which in turn requires a method for shape similarity measurement. In this paper, such a method is presented. First, the part is decomposed into simpler shapes resembling machining features. The decomposition method makes use of primitives to generate the shapes directly unlike previous methods in which the shapes are produced by combining minimal cells. Next, part characteristics that capture the spatial and dimensional relationships amongst features are used to measure the similarity. These characteristics are relevant to machining and they complement the characteristics such as feature type and feature intersections that are used by the previous shape comparison techniques. Implementation and examples are also included.
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e-mail: madhumr@engin.umich.edu
e-mail: yiphoi@engin.umich.edu
e-mail: dutta@engin.umich.edu
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September 2001
Technical Papers
Feature Based Shape Similarity Measurement for Retrieval of Mechanical Parts
Madhumati Ramesh,
e-mail: madhumr@engin.umich.edu
Madhumati Ramesh
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
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Derek Yip-Hoi,
e-mail: yiphoi@engin.umich.edu
Derek Yip-Hoi
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
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Debasish Dutta
e-mail: dutta@engin.umich.edu
Debasish Dutta
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
Search for other works by this author on:
Madhumati Ramesh
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
e-mail: madhumr@engin.umich.edu
Derek Yip-Hoi
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
e-mail: yiphoi@engin.umich.edu
Debasish Dutta
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125
e-mail: dutta@engin.umich.edu
Contributed by the Engineering Informatics (EIX) Committee for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received Dec. 2000; revised manuscript received Aug. 2001. Associate Editor: D. Nau.
J. Comput. Inf. Sci. Eng. Sep 2001, 1(3): 245-256 (12 pages)
Published Online: August 1, 2001
Article history
Received:
December 1, 2000
Revised:
August 1, 2001
Citation
Ramesh, M., Yip-Hoi, D., and Dutta, D. (August 1, 2001). "Feature Based Shape Similarity Measurement for Retrieval of Mechanical Parts ." ASME. J. Comput. Inf. Sci. Eng. September 2001; 1(3): 245–256. https://doi.org/10.1115/1.1412456
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