Wound Field and PM-free Synchronous Machines: Innovative Design, Control and Diagnostic Solutions for Transportation Applications

Prof. Silvio Vaschetto, Dr. Federica Graffeo, Politecnico di Torino, Italy, silvio.vaschetto@polito.it, federica.graffeo@polito.it

Prof. Jose Alfonso Antonino Daviu, Universitat Politecnica de Valencia, Spain, joanda@die.upv.es


The permanent magnet synchronous motor is by far the most popular type of traction motor currently used in EVs and, more in general, in the transportation electrification. However, the price volatility and the environment impact of rare-earth raw materials, as well as the necessity to satisfy high reliability requirements (demagnetization risks, dangerous failure modes, etc.) push both Academia and the Industrial R&D departments towards the design and development of high-power density and highly efficient electrical machines without permanent magnets.

The aim of this Special Session is to stimulate the scientific discussion and to share the experience on design solutions and modelling, developments of control strategies and diagnostic techniques for Wound-Field and PM-free synchronous machines for propulsion systems and actuators for HEVs and EVs, Railway Vehicles, Ships and Aircrafts.

This special session covers the following topics on Wound-Field and PM-free synchronous:

  • Advanced design, modelling and optimization for transportation applications
  • Dedicated cooling approaches, thermal analyses and modelling
  • Multiphase and fault tolerant electric machines and drives solutions
  • Recent developments in materials and manufacturing technologies
  • LCA and recycling
  • Control techniques
  • Fault detection, diagnosis, prognosis and mitigation strategies

Proposals outside these topics can be accepted within the scope of this special session.

Wound Field and PM-free Synchronous Machines: Innovative Design, Control and Diagnostic Solutions for Transportation Applications

Prof. Silvio Vaschetto, Dr. Federica Graffeo, Politecnico di Torino, Italy, silvio.vaschetto@polito.it, federica.graffeo@polito.it

Prof. Jose Alfonso Antonino Daviu, Universitat Politecnica de Valencia, Spain, joanda@die.upv.es


The permanent magnet synchronous motor is by far the most popular type of traction motor currently used in EVs and, more in general, in the transportation electrification. However, the price volatility and the environment impact of rare-earth raw materials, as well as the necessity to satisfy high reliability requirements (demagnetization risks, dangerous failure modes, etc.) push both Academia and the Industrial R&D departments towards the design and development of high-power density and highly efficient electrical machines without permanent magnets.

The aim of this Special Session is to stimulate the scientific discussion and to share the experience on design solutions and modelling, developments of control strategies and diagnostic techniques for Wound-Field and PM-free synchronous machines for propulsion systems and actuators for HEVs and EVs, Railway Vehicles, Ships and Aircrafts.

This special session covers the following topics on Wound-Field and PM-free synchronous:

  • Advanced design, modelling and optimization for transportation applications
  • Dedicated cooling approaches, thermal analyses and modelling
  • Multiphase and fault tolerant electric machines and drives solutions
  • Recent developments in materials and manufacturing technologies
  • LCA and recycling
  • Control techniques
  • Fault detection, diagnosis, prognosis and mitigation strategies

Proposals outside these topics can be accepted within the scope of this special session.