NDLI: Constrained model predictive control of an incremental sheet forming process

Content Provider	IEEE Xplore Digital Library
Author	Wang Hao Duncan, S.
Copyright Year	2011
Description	Author affiliation: Department of Engineering Science, University of Oxford, Oxford, OX1 3JP, United Kingdom (Wang Hao; Duncan, S.)
Abstract	Model Predictive Control (MPC) has been applied in a range of industrial applications, and part of its popularity is that it can cope with a constrained system, providing an optimal control for a certain performance index. Incremental Sheet Forming (ISF) is an emerging progressive sheet metal forming technology where the deformation occurs locally. It is best suited to customised and one-off or short-run production, because ISF does not require costly individual tools, dies or punches to be manufactured. The geometrical accuracy of the shape made by ISF, is however, lower than the conventional processes, such as stamping. We address this issue by using a constrained model predictive control scheme to optimise the tool trajectory of this process. A simplified linear forming process model is first derived, which is modified then to handle the “tool contact” issue and after that a full MPC formulation is established. Two types of shapes are produced on an experimental rig, and the experimental results show that the final geometrical errors can be reduced compared to a standard contour following approach.
Starting Page	1288
Ending Page	1293
File Size	1416176
Page Count	6
File Format	PDF
ISBN	9781457710629
ISSN	10851992
e-ISBN	9781457710636
e-ISBN	9781457710612
DOI	10.1109/CCA.2011.6044466
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Metals Trajectory Optimal control Predictive models Accuracy Predictive control
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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