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Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model

Lynn Verkroost (UGent) , Jan De Bisschop (UGent) , Hendrik Vansompel (UGent) , Frederik De Belie (UGent) and Peter Sergeant (UGent)
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Abstract
In this article, a fault tolerant deadbeat controller is proposed, which is able to compensate for both partial and uniform demagnetization faults in axial flux permanent-magnet synchronous machines with double rotor, even with asymmetric defects in both rotors. For this purpose, the system model used by the deadbeat controller is equipped with a look-up table of the back-emf, in function of the mechanical rotor position. This look-up table is generated by means of an analytical model based on the magnetic vector potential. With this information, the deadbeat controller can eliminate both the additional bias and ripple in the stator current components caused by demagnetization faults. The proposed control strategy is validated on a 4 kW test set-up of an axial flux permanent-magnet synchronous machine with yokeless and segmented armature topology fed by a three-phase two-level voltage source inverter, both by simulations and experiments. Key performance indicators concerning bias and ripple of the current components illustrate the superior performance of the proposed control strategy in comparison to a standard deadbeat controller without an up-to-date look-up table of the back-emf.
Keywords
Electrical and Electronic Engineering, Energy Engineering and Power Technology

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MLA
Verkroost, Lynn, et al. “Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model.” IEEE Transactions on Energy Conversion, 2020, pp. 591–99.
APA
Verkroost, L., De Bisschop, J., Vansompel, H., De Belie, F., & Sergeant, P. (2020). Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model. IEEE Transactions on Energy Conversion, 591–599.
Chicago author-date
Verkroost, Lynn, Jan De Bisschop, Hendrik Vansompel, Frederik De Belie, and Peter Sergeant. 2020. “Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model.” IEEE Transactions on Energy Conversion, 591–99.
Chicago author-date (all authors)
Verkroost, Lynn, Jan De Bisschop, Hendrik Vansompel, Frederik De Belie, and Peter Sergeant. 2020. “Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model.” IEEE Transactions on Energy Conversion: 591–599.
Vancouver
1.
Verkroost L, De Bisschop J, Vansompel H, De Belie F, Sergeant P. Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model. IEEE Transactions on Energy Conversion. 2020;591–9.
IEEE
[1]
L. Verkroost, J. De Bisschop, H. Vansompel, F. De Belie, and P. Sergeant, “Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model,” IEEE Transactions on Energy Conversion, pp. 591–599, 2020.
@article{8662666,
  abstract     = {In this article, a fault tolerant deadbeat controller is proposed, which is able to compensate for both partial and uniform demagnetization faults in axial flux permanent-magnet synchronous machines with double rotor, even with asymmetric defects in both rotors. For this purpose, the system model used by the deadbeat controller is equipped with a look-up table of the back-emf, in function of the mechanical rotor position. This look-up table is generated by means of an analytical model based on the magnetic vector potential. With this information, the deadbeat controller can eliminate both the additional bias and ripple in the stator current components caused by demagnetization faults. The proposed control strategy is validated on a 4 kW test set-up of an axial flux permanent-magnet synchronous machine with yokeless and segmented armature topology fed by a three-phase two-level voltage source inverter, both by simulations and experiments. Key performance indicators concerning bias and ripple of the current components illustrate the superior performance of the proposed control strategy in comparison to a standard deadbeat controller without an up-to-date look-up table of the back-emf.},
  author       = {Verkroost, Lynn and De Bisschop, Jan and Vansompel, Hendrik and De Belie, Frederik and Sergeant, Peter},
  issn         = {0885-8969},
  journal      = {IEEE Transactions on Energy Conversion},
  keywords     = {Electrical and Electronic Engineering,Energy Engineering and Power Technology},
  language     = {eng},
  pages        = {591--599},
  title        = {Active Demagnetization Fault Compensation for Axial Flux Permanent-Magnet Synchronous Machines Using an Analytical Inverse Model},
  url          = {http://dx.doi.org/10.1109/tec.2019.2958071},
  year         = {2020},
}

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