Vol. 21 No. 2 (2018) Cover Image
Vol. 21 No. 2 (2018)

Published: April 30, 2018

Pages: 266-274

Articles

Adaptive Sliding Mode Control for Magnetic levitation system

Shibly Ahmed Al-Samarraie 1 Bashar Fateh Midhat 1 Rand Ahmed Bahaa Al-Deen 1
1 Control & Systems Eng. Dep., University of Technology, Baghdad, IRAQ
History
  • Received: November 21, 2017
  • Revised: December 11, 2017
  • Accepted: January 18, 2018
  • Available Online: April 22, 2018
DOI

https://doi.org/10.29194/NJES21020266

Abstract

In this paper, an Adaptive Sliding Mode Controller (ASMC) is designed and applied for a magnetic levitation system (Maglev) where a steel ball is desired to be stabilized at a desired position with existence of uncertainty in system model. Additionally, a sliding mode differentiator (SMD) is used for estimating the ball velocity since it’s needed for the controller to work properly. The designed controller and differentiator are applied practically to an experimental laboratory size magnetic levitation system and the results were plotted to show the behavior of the system under the effect of the designed controller. The experimental results reveal clearly the effectiveness and ability of the suggested controller in forcing the steel ball to follow various desired position.

Keywords

References

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