 | | | | Pattern-based closed-loop quality control for the injection molding process.: An article from: Polymer Engineering and Science |  | Authors: Suzanne L.b. Woll, Douglas J. Cooper
Publisher: Society of Plastics Engineers, Inc.
Category: Book
Buy New: $5.95
Sales Rank: 6443528
Format: Html
Language: English (Published)
Media: Digital
Pages: 21
ASIN: B00097MXP4
Publication Date: May 1, 1997
Release Date: July 28, 2005
Availability: Available for download now
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Product Description
This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on May 1, 1997. The length of the article is 6280 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
From the author: The basis for a novel pattern-based closed-loop control strategy for the injection molding process is presented. The strategy uses artificial neural networks (ANNs) embedded within a cascade design to analyze sensor patterns, identify process character and control part quality. The platform for this work, the injection molding process, is an industrially significant, cyclic manufacturing operation. Final part quality of this process is a nonlinear function of many machine and polymer variables. Part quality control of this process is currently attained via single input-single output machine controls supervised by human operators. Presented here is a method that employs ANN technology to improve upon this approach and provide the basis for closed-loop part quality control. In the cascade design, machine controller set-points of an inner loop are updated based on ANN analysis of mold cavity pressure patterns. The controller action maintains the desired pressure pattern set-point of the outer loop associated with desired part quality. Control strategy details are provided along with set-point tracking demonstrations that support feasibility of this pattern-based approach.
Citation Details
Title: Pattern-based closed-loop quality control for the injection molding process.
Author: Suzanne L.B. Woll
Publication: Polymer Engineering and Science (Refereed)
Date: May 1, 1997
Publisher: Society of Plastics Engineers, Inc.
Volume: v37 Issue: n5 Page: p801(12)
Distributed by Thomson Gale
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