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Start-up control of a hot strip mill tension/looper system: an approach based on model predictive control

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Abstract:
Tension and looper control is the key to successful operations in the hot strip finishing mill and the various control strategies have been applied to improve the performance of the transient. In this talk, we focus on an off-line control design method of the tension and looper system and derive a start-up control law based on model predictive control. By employing a multi-parametric programming method for the posed problem, a nonlinear feedback control law, which is equivalent to the model predictive control, is constructively given. The feature of resulting control system is illustrated with numerical examples.

Type of Seminar:
Public Seminar
Speaker:
Prof. Akira Kojima
Faculty of System Design, Tokyo Metropolitan University , Asahigaoka 6-6, Hino, Tokyo 191-0065, Japan
Date/Time:
Sep 13, 2007   17:15
Location:

ETH Zentrum, Gloriastrasse 35, Building ETZ , Room E9
Contact Person:

Manfred Morari
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Biographical Sketch:
Akira Kojima received the B.S., M.S., and Dr.Eng. degrees in Electrical Engineering from Waseda University, Tokyo, Japan, in 1987, 1989 and 1991, respectively. >From 1991 until 2004, he has been with the Department of Electronic Systems Engineering, Tokyo Metropolitan Institute of Technology. >From 2005, he is with Faculty of System Design, Tokyo Metropolitan University, where he is currently a Professor. >From 2000 to 2001, he was a visiting researcher at the Automatic Control Laboratory, Swiss Federal Institute of Technology (ETH). His research interests include Robust Control, Predictive Control, and Control Theory for Infinite-dimensional Systems. He is a member of IEEE, the Society of Instrument and Control Engineers (SICE), and the Institute of Systems, Control and Information Engineers (ISCIE). He received the Outstanding Paper Award from SICE in 1996, 2003 and from ISCIE in 2003. He was awarded the 2004 Pioneer Prize from SICE for his contribution on developing the design method of predictive control and H-infinity preview/delayed control.