Paper Title:
The Robust Control of Magnetic Suspension with Rapidly Changing of Rotor Speed
  Abstract

An optimal robust vibration control of a rotor supported magnetically over a wide angular speed range is presented in the paper. The laboratory stand with the high speed rotor (max. 24000 rpm) was designed. The wide bandwidth controller with required gain, which is necessary to stabilize the structurally unstable and active magnetic bearing system was computed. For controller design, the weighting functions putted on the input and output signals were chosen. For control design, the dynamics of the rotor and uncertain parameters were considered. The optimized control system by minimization of the H norm putted on transient process of the system was presented. The robust controller was designed with considered asymmetrically magnetic bearings, signal limits and power amplifiers dynamic. The success of the robust control is demonstrated through computer simulations and experimental results. Matlab-Simulink was used for the numerical simulation. The experimental results show the effectiveness of the control system as good vibrations reducing and robustness of the designed controller in all dynamic states.

  Info
Periodical
Solid State Phenomena (Volumes 147-149)
Edited by
Zdzislaw Gosiewski and Zbigniew Kulesza
Pages
302-307
DOI
10.4028/www.scientific.net/SSP.147-149.302
Citation
A. Mystkowski, Z. Gosiewski, "The Robust Control of Magnetic Suspension with Rapidly Changing of Rotor Speed", Solid State Phenomena, Vols. 147-149, pp. 302-307, 2009
Online since
January 2009
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Price
$32.00
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