Design of IMC based PI Controller for Paper Machine Headbox

  • Parvesh Saini Department of Electrical Engineering, Graphic Era Deemed to be University, Dehradun, India
  • Rajesh Kumar Department of Electronics Engineering, Graphic Era Deemed to be University, Dehradun, India
Keywords: Internal Model Control (IMC), Zeigler-Nichols (ZN);, Paper Machine, Headbox, MIMO Controller


Headbox is one the major process of a paper machine which is vulnerable to many disturbances. Its efficient control is highly required because any disturbance in the process greatly affects the working of the headbox. Various tuning techniques have been designed and applied on paper machine headbox. This paper presents the designand analysis of Internal Model Control (IMC) based Multi Input –Multi Output (MIMO)-Proportional –Integral (PI) controller for paper machine headbox. Along with transient response, integral error performance indices (ISE, IAE, ITSE,andITAE) have also been obtained.The performance of designed multivariable IMC –PI Controller has been compared with the conventional ZN -PI controller.


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