Invention Application
US20120296466A1 CONTROL METHOD FOR THE CASTING LEVEL OF A CONTINUOUS CASTING MOLD 审中-公开
连续铸造模具铸造水平的控制方法

  • Patent Title: CONTROL METHOD FOR THE CASTING LEVEL OF A CONTINUOUS CASTING MOLD
  • Patent Title (中): 连续铸造模具铸造水平的控制方法
  • Application No.: US13522457
    Application Date: 2010-12-28
  • Publication No.: US20120296466A1
    Publication Date: 2012-11-22
  • Inventor: Bernhard Weisshaar
  • Applicant: Bernhard Weisshaar
  • Priority: EP10150817.4 20100115
  • International Application: PCT/EP2010/070769 WO 20101228
  • Main IPC: G05D5/00
  • IPC: G05D5/00
CONTROL METHOD FOR THE CASTING LEVEL OF A CONTINUOUS CASTING MOLD
Abstract:
A method is provided for adjusting the inflow of liquid metal into a continuous casting mold using a closing device. The partially solidified metal strand is drawn out of the continuous casting mold. A measured actual value of the casting level is fed into a casting level controller, which derives a target setting for the closing device. The measured actual value and a target setting of the closing device are fed to an interference compensator, which determines an expected value for the casting level, which is subtracted from the measured actual value. The difference is fed to a differential controller that derives a controller output signal therefrom, which is multiplied by a superposition factor and superimposed on the target setting as an interference compensation value. An inflow signal derived from the actual setting is further superimposed on the controller output signal and fed to an integrator, which generates an output signal corresponding to the expected value for the casting level.
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