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Proceedings Paper

A Vision-based System For Orientation of Parts Supplied in Bulk
Author(s): James A. McGrath; William J. Palm
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Paper Abstract

In some industrial applications it is not economical or possible to orient parts with standard devices such as vibratory feeders, because of their tendency to tangle, or to adhere, or be damaged by such a process. We have developed a vacuum technique for acquiring a relatively small, and therefore manageable number of such parts in a clump that can be separated by pneumatic and gravity techniques. Once separated, the parts can be individually acquired by a robot guided by vision algorithms that compute the location and orientation of each part in a field of separated but randomly-oriented parts. We describe the basic concepts and algorithms, and their implementation in a low-cost integrated robot-camera-computer system that is fast enough to be feasible for typical applications. A case study of one such application is used to illustrate the method.

Paper Details

Date Published: 11 December 1985
PDF: 8 pages
Proc. SPIE 0579, Intelligent Robots and Computer Vision IV, (11 December 1985); doi: 10.1117/12.950840
Show Author Affiliations
James A. McGrath, The University of Rhode Island (United States)
William J. Palm, The University of Rhode Island (United States)


Published in SPIE Proceedings Vol. 0579:
Intelligent Robots and Computer Vision IV
David P. Casasent, Editor(s)

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