IMPROVED PERFORMANCE OF ROLLING MILL DRIVES, USING hyBRID FUZZY-PI CONTROLLER

Document Type : Original Article

Authors

1 Electrical Engineering Department, Faculty of engineering menoufia university shebin-el-kom egypt ,

2 Electrical Engineering Department, Faculty of engineering menoufia university shebin-el-kom egypt

3 Arab Company For Special Steel (ARCOSTEEL), Sadat, Egypt

Abstract

In this paper, a fuzzy logic control technique is applied to solve the undesired
undershoot that gets the process in special steel rolling mill out of control.
Because fuzzy logic controller results in steady state error due to load change
two control methods are proposed to improve the hzzy controller performance.
The first method uses a fizzy speed controller with a PI current controller and
the other method uses a hybrid fuzzy-PI controller.
The proposed Hybrid fuzzy-PI controller is applied to a rolling mill drives. This
technique can solve the common problems associated with rolling mill drives.
The entire drive systems are implemented using a high speed digital signal
processor (DSP). Experimental results validate the theoretically simulated
responses with different operating conditions.
ERJ. Engineering Research Journal
Volume 25, Issue 4
October 2002
Pages 41-57

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