Advanced Control Strategies for Magnet-Free Synchronous Motors
A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Electrical Machines and Drives".
Deadline for manuscript submissions: closed (30 June 2025) | Viewed by 1546
Special Issue Editors
Interests: synchronous motors; motor control; power electronics
Special Issues, Collections and Topics in MDPI journals
Interests: electric machines design; thermal and CFD analyses of electric motors; electric drive EV/HEV traction systems
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Synchronous motors play a crucial role in various applications, including constant and variable speed drives. Notably, they find extensive use in electric and hybrid electric vehicles.
Synchronous motors include not only permanent magnet (PM) SMs that can be either interior or surface-mounted, but there are other magnet-free candidates such as wound-rotor SMs, synchronous reluctance, and doubly salient synchronous reluctance motors (which are essentially switched reluctance motors supplied by sinusoidal currents and a voltage source inverter).
Due to the existence of a rare-earth material in PMSMs, researchers have turned their attention to other magnet-free options due to environmental concerns and supply limitations. However, the performance of these alternatives still lags behind that of PMSMs.
Unlike PMSMs, where both permanent magnet torque and reluctance torque contribute to overall torque production, magnet-free SMs rely solely on reluctance torque. This results in lower torque and power density, higher torque ripples, and possible higher radial forces. Additionally, the absence of the magnet which is an excitation or reactive power source in PMSMs results in a lower power factor in magnet-free motors.
We are pleased to invite you to submit state-of-the-art manuscripts to this Special Issue aimed at narrowing the performance gap between magnet-based and magnet-free SMs. Topics of interest include (but are not limited to) the following:
- Parameter estimations and observers applied to SMs.
- Control strategies that aim to improve efficiency, torque ripple and radial forces reduction, extended speed operation, and power factor improvement.
- Machine learning used in SM control applications.
- Modelling techniques of radial and tangential forces.
- Fault-tolerant control strategies for SMs.
We can advance the field together!
Dr. Peter Azer
Dr. Ahmed Abdelrahman
Guest Editors
Manuscript Submission Information
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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Machines is an international peer-reviewed open access monthly journal published by MDPI.
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Keywords
- synchronous motors
- motor control
- power electronics
- electric machines
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