Novel Permanent Magnet Machines and Drives for Electric Vehicles

Dear Colleagues,

The world is driving towards electrification. Electrical machines and drives are a key enabling technology for electric, hybrid, and fuel cell vehicles (EVs). Permanent magnet (PM) machines exhibit high torque density and high efficiency, and are eminently suitable for EVs.

There are numerous new and novel PM machines being developed for EVs, including various interior PM machine configurations, PM-assisted PM machines, hairpin winding PM machines, memory PM machines, hybrid excited PM machines, mixed PM machines, multi-phase and multi-3-phase PM machines, fault-tolerant PM machines, flux-modulated PM machines, magnetically geared PM machines, consequent pole PM machines, modular PM machines, and high-speed PM machines.

Consequently, there are many challenges and opportunities for the design, analysis, modelling, and control of PM machines, such as high peak torque capability, high power capability, high system efficiency, high power factor, high fault-tolerance, high modularity, low PM volume usage, low copper/iron/PM eddy current losses, low manufacturing cost, low torque ripple, low acoustic noise and vibration, as well as online magnetisation, demagnetisation protection, manufacturing tolerance, and thermal management.

This Special Issue is devoted to the latest developments in PM machines and drives for electric, hybrid, and fuel cell EVs. Prospective authors are invited to submit original contributions that include but are not limited to the following topics of interest:

• Emerging PM machine topologies for traction propulsion

• High-speed high power density PM traction machines
• High-torque, low-speed, direct-drive in-wheel hub PM machines
• Hairpin winding PM machines
• Flux-modulated PM machines
• Magnetically geared PM machines
• Multi-phase and multi-3-phase PM machines
• Fault-tolerant PM machines
• Memory PM machines
• PM machines for auxiliary units, including water pumps and air cooling
• Multi-objective and multi-physics design optimization
• Advanced modelling techniques
• Novel PWM control techniques
• Advanced maximum torque, flux weakening, and optimal efficiency control strategies
• Mechanical analysis and novel structural design
• Loss analyses, including ac copper, iron, and PM eddy current losses
• Advanced thermal analysis and management
• Torque ripple reduction
• Acoustic noise, vibration, and harshness (NVH) analysis and reduction
• Advanced manufacturing techniques including modular technologies

Technical surveys and review papers are highly encouraged for submission and possible publication in this Special Issue “Novel Permanent Magnet Machines and Drives for Electric Vehicles” of the World Electric Vehicle Journal.

Prof. Dr. Zi-Qiang Zhu
Prof. Dr. Ayman EL-Refaie
Dr. Hui Yang
Guest Editors

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