NDLI: Fine force control based on reaction force observer for electric injection molding machine

Content Provider	IEEE Xplore Digital Library
Author	Furusawa, R. Ohishi, K. Kageyama, K. Takatsu, M. Urushihara, S.
Copyright Year	2011
Description	Author affiliation: Niigata Machine Techno CO.,LTD., 1300, okayama, higashi-ku, Niigata-shi, JAPAN (Kageyama, K.; Takatsu, M.) \|\| Dept of Electrical and Computer Engineering, Kagawa National College of Technology, 355, Chokushi-cho, Takamatsu-shi, 761-8058, Japan (Urushihara, S.) \|\| Dept of Electrical Engineering, Nagaoka University of Technology, 1603-1, Kamitomioka-cho, Nagaoka-shi, Niigata, JAPAN (Furusawa, R.; Ohishi, K.)
Abstract	Currently, most plastic products are manufactured by using injection molding machines. The quality of plastic products depends largely on the injection force. In a typical force control system of an injection molding machine, force information from the machine environment is obtained by a force sensor. However, force sensors have a few disadvantages in terms of signal noise, sensor cost and narrow bandwidth. So, a sensor-less force detection method is desirable for electric injection molding machines. We have proposed the use of a reaction force observer based on the two-inertia resonant model. However, this method has some estimated error because of the influence of nonlinear characteristics of the holding process and the screw back-pressure process. This paper proposes a new injection force estimation method based on a proposed high-order reaction force observer (HORFO), which is not influenced by the nonlinear friction phenomenon significantly. This paper evaluates the possibility and versatility of the proposed sensor-less force control system by using proposed HORFO through experiments.
Starting Page	2165
Ending Page	2170
File Size	1301084
Page Count	6
File Format	PDF
ISBN	9781424493104
e-ISBN	9781424493128
e-ISBN	9781424493111
DOI	10.1109/ISIE.2011.5984496
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-27
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force Friction Observers Injection molding Force sensors Fasteners
Content Type	Text
Resource Type	Article

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