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Decentralized PI/PD position control for active magnetic bearings

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Abstract

This paper discusses a closed-loop decentralized control for active magnetic bearings. A cascade connection of PI and PD position controllers is proposed. The control design is based on a simplified linearized model for one axis using a root locus. An excellent agreement is noticeable between simulation and experimental results. It has been shown, that the presented PI/PD control guarantees satisfactory high damping and stiffness of the overall system.

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Authors and Affiliations

  1. Faculty of Electrical Engineering and Computer Science, University of Maribor, Smetanova 17, 2000, Maribor, Slovenia

    B. Polajžer, J. Ritonja, G. Štumberger & D. Dolinar

  2. Faculty of Applied Siences, University of Artois, 62400, Bethune, France

    J.-P. Lecointe

Authors
  1. B. Polajžer
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  2. J. Ritonja
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  3. G. Štumberger
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  4. D. Dolinar
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  5. J.-P. Lecointe
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Corresponding author

Correspondence to B. Polajžer.

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Polajžer, B., Ritonja, J., Štumberger, G. et al. Decentralized PI/PD position control for active magnetic bearings. Electr Eng 89, 53–59 (2006). https://doi.org/10.1007/s00202-005-0315-1

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  • DOI: https://doi.org/10.1007/s00202-005-0315-1

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