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Proceedings Paper

Fuzzy logic and the spray forming process
Author(s): Timothy J. Zappia; Dennis N. Harvey; Craig Madden; M. Allen Matteson
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Paper Abstract

Liquid metal spray forming is a relatively new process for near-net-shape manufacturing. This process involves melting of the metal, ejection of the molten metal from the crucible in which it was melted, and atomization of the molten metal in a high-pressure gas atomizer. The resulting droplets are collected on a moving substrate where consolidation and solidification occur. This paper will discuss the methods used to combine sensor feedback and process knowledge into a fuzzy logic inference engine which can augment, if not replace, the manual functions currently performed by the operator. The paper will also describe the development of a custom optical sensor which simulates the operator's visual feedback. It monitors the part while it is being formed, and simultaneously determines the part shape, the rate of growth of the part, and the surface roughness of the part.

Paper Details

Date Published: 22 December 1993
PDF: 12 pages
Proc. SPIE 2061, Applications of Fuzzy Logic Technology, (22 December 1993); doi: 10.1117/12.165051
Show Author Affiliations
Timothy J. Zappia, MTS Systems Corp. (United States)
Dennis N. Harvey, MTS Systems Corp. (United States)
Craig Madden, Naval Surface Warfare Ctr. (United States)
M. Allen Matteson, Naval Surface Warfare Ctr. (United States)


Published in SPIE Proceedings Vol. 2061:
Applications of Fuzzy Logic Technology
Bruno Bosacchi; James C. Bezdek, Editor(s)

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