DESIGN OF FUZZY - PID CONTROLLER FOR CONTROLLING POSITION IN MAGNETIC LEVITATION BALL SYSTEM

  • Dian Mursyitah Jurusan Teknik Elektro Fakultas Sains dan Teknologi, UIN Sulthan Syarif Kasim Riau
  • Ahmad Faizal Jurusan Teknik Elektro Fakultas Sains dan Teknologi, UIN Sulthan Syarif Kasim Riau
  • Ewi Ismaredah Jurusan Teknik Elektro Fakultas Sains dan Teknologi, UIN Sulthan Syarif Kasim Riau

Abstract

This study proposes the design of Fuzzy Logic controllers for controlling position in the Magnetic Levitation Ball system. The position of the magnetic levitation ball system needs to be controlled to avoid friction of the steel ball with the surface. The magnetic levitation ball system is a non-linear system shown by a fairly complex mathematical model, then the results of the open loop response have not yet reached the setpoint and show instability. Instability is indicated by the appearance of large oscillations. The solution method chosen is the Fuzzy Logic controller. Fuzzy logic is chosen because of its ability to facilitate the problem of mathematical complexity analytically, because its design is in accordance with human logic. The initial test results using fuzzy logic controllers with rule base 3x3 managed to make the system reach the setpoint, but have not succeeded in eliminating the oscillations that occur. For this reason, fuzzy logic controllers are combined with PID controllers. The final simulation results show a better response. The setpoint is reached, the fast response time is indicated by a time constant value of 0.0530 seconds, and perfectly damped oscillation

Keywords: Maglev Ball, Fuzzy Controler, PID

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Published
2019-10-03
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