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Compensation Strategy for Mechanical Cross-coupling in Magnetic Levitation PMSM System to Reduce Radial Displacement

Lookup NU author(s): Dr Xu DengORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

Considering the mechanical coupling, the displacement cross-coupling control is applied to the magnetic levitation PMSM system operating. The proposed approach effectively restrains levitation displacement, and the control algorithm is simple to implement. The stability margin of multi-input multi-output system is evaluated by the singular value method of system return difference matrix, which verifies that the stability of the proposed algorithm is better. Finally, simulation and experimental results show that the displacement fluctuation can be reduced by a minimum of 15%, at the resonance frequency.

Publication metadata

Author(s): Wang M, Cao X, Yu Q, Lu T, Wei L, Deng X, Cai J

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Energy Conversion

Year: 2025

Pages: Epub ahead of print

Online publication date: 01/09/2025

Acceptance date: 02/04/2018

Date deposited: 16/09/2025

ISSN (print): 0885-8969

ISSN (electronic): 1558-0059

Publisher: IEEE

URL: https://doi.org/10.1109/TEC.2025.3604811

DOI: 10.1109/TEC.2025.3604811

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