システム制御技術の進展と鉄鋼製造プロセスへの適用(<特集>鉄鋼業における最新の計測,制御,システム技術)

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This paper describes the application of system control technology and the future view in a steel manufacturing process. In the steel manufacturing process of Japan, new system control technologies have greatly contributed to the quality of a product, or improvement in the yield. Then, in steel making, a rolling process, etc., it looks down at the application example of control theory or intellectual system technology. Specifically, the optimal flux control system for converter, looper control of hot-rolling by adapted type robust control of and an is introduced. Mill setup modification control of hot-rolling and mill balance control of tandem cold mill are explained as know-how fusion type control. Moreover, expectable technologies will be introduced from now on for achievement of the left-behind subjects. Specifically, the view is described about the application in consideration of restricted conditions of the nonlinear optimal control, mixed logical Dynamical system (MLD), and reinforcement learning. As an application example, the learning result of the function by reinforcement learning is shown. Finally, rolling is made into an example and the paradigm of the next-generation intelligent control system of a steel process is introduced.
2004-11-01