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A soft-sensor development for melt-flow-length measurement during injection mold filling

Authors Chen, Xi HKUST affiliated (currently or previously)
Gao, Furong View this author's profile
Chen, Guohua View this author's profile
Issue Date 2004
Source Materials science and engineering a-structural Materials PROPERTIES Microstructure and PROCESSING , v. 384, (1-2), 2004, OCT 25, p. 245-254
Summary Filling plays a key role in determining part quality in injection molding. On-line measurement of the melt-flow-length, a key melt-flow status in mold cavity, is of great importance in both the understanding and control of the process. In most cases, a hardware measurement of such a variable is not available. A soft-sensor measurement scheme is proposed taking online measurable variables as the model inputs. With the experimental data obtained from a set of purposely designed molds with basic feature geometry, a soft-sensor based on a recurrent neural network has been developed to predict the melt-flow-length. Experiments show that such a developed soft-sensor can predict well the melt-flow-length for filling of molds, which have not been used in the training, as long as the basic features of the mold geometry have been included in the training mold set. (C) 2004 Published by Elsevier B.V.
ISSN 0921-5093
Language English
Format Article
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