대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

열간 압연 공정에서의 장력 제어시스템

TENSION CONTROL SYSTEM FOR HOT STRIP MILLS

  • 박성한 (부산대학교 지능기계공학과) ;
  • 안병준 (부산대학교 지능기계공학과) ;
  • 이만형 (부산대학교 기계공학부)
  • Park, Sung-Han (Dept. of Mechanical & Intelligent System Eng., Pusan National Univ.) ;
  • Ahn, Byoung-Joon (Dept. of Mechanical & Intelligent System Eng., Pusan National Univ.) ;
  • Lee, Man-Hyung (School of Mechanical Eng. Pusan National Univ.)
  • 발행 : 2001.07.18
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초록

The looper control of hot strip finishing mill is one of the most important control item in hot strip rolling mill process. Loopers are placed between finishing mill stands and control the mass flow of the two stands. Another important action of the looper is to control the strip tension which influences on the width of the strip. So it is very important to control both the looper angle and the strip tension simultaneously but the looper angle and the strip tension are strongly interacted by each other. There are many control schemes such as conventional, non-interactive, LQ, LQG/LTR, and ILQ control in the looper control system. In this paper, we present the modeling for the looper of a hot strip finishing mill to control the tension of the strip and suggest the non-interactive(cross) and LQG/LTR control method.

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