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Model Validation of a Magnetic Ball Levitation System

[+] Author Affiliations
Aravind Hanasoge, Ashraf Omran, Thomas Alberts

Old Dominion University, Norfolk, VA

Paper No. DSCC2008-2102, pp. 17-23; 7 pages
  • ASME 2008 Dynamic Systems and Control Conference
  • ASME 2008 Dynamic Systems and Control Conference, Parts A and B
  • Ann Arbor, Michigan, USA, October 20–22, 2008
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-4335-2 | eISBN: 978-07918-3838-9
  • Copyright © 2008 by ASME


In this paper, modeling, simulation and experimental validation of a magnetic ball suspension system are presented. Non-linear empirical expressions for inductance and electromagnetic force are determined using experimental data. A simple PID controller and a Gain scheduling PID controller are designed based on the linearized model. The controllers are used in real time levitation and tracking of a steel ball. Numerical simulation is carried out using Simulink. The derived model is verified by comparing the simulation results with experimental results.

Copyright © 2008 by ASME



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