Reduced-Order Model for Bearingless PMSMs in Hardware-in-the-Loop

Lucas Selonke Klaas (), Rafael F. Simões de Oliveira () and Ademir Nied ()
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Lucas Selonke Klaas: WEG S.A., Jaraguá do Sul 89256-900, Brazil
Rafael F. Simões de Oliveira: Boeing, São José dos Campos 12246-870, Brazil
Ademir Nied: Electrical Engineering Department, Santa Catarina State University (UDESC), Joinville 89219-710, Brazil

Energies, 2025, vol. 18, issue 11, 1-28

Abstract: High production costs and extended development timelines pose significant challenges to the manufacturing of bearingless permanent magnet synchronous motors (BPMSMs). Moreover, uncertainties regarding the motor’s ability to generate suspension and torque often persist even after prototyping, primarily due to the limitations of lumped parameter models in capturing the system’s complex dynamics. Since this technology is not yet fully consolidated, there is a clear need for a solution that enables the effective evaluation of BPMSMs prior to physical production. To address this, a reduced-order model (ROM) was developed for BPMSMs with combined windings, capturing the cross-coupling effects associated with rotor eccentricity, magnetic saturation, and topological complexity. The model was constructed using the parametric interpolation method (PIM), enabling efficient and accurate representations of nonlinear electromechanical behavior as ferromagnetic materials and spatial harmonics are addressed through finite element modeling. Additionally, hardware-in-the-loop (HIL) techniques were used for gain tuning, and active disturbance rejection control (ADRC) was applied to enhance performance. This combined approach offers a comprehensive solution for the design and control of BPMSMs.

Keywords: bearingless permanent magnet synchronous motors; reduced-order model; hardware-in-the-loop (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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