Permanent Magnet Machines and Drives Principles, Design and Applications

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Course Overview

This course will provide you with a comprehensive understanding of permanent magnet AC machines, including the basics and major topologies, how to design permanent magnet machines, and much more. Learn the various applications of PM machines, the fundamentals of synchronous machines and machine modeling, and the major PM machine topologies.

Who Should Attend?

This course will benefit engineers involved in:

  • Electric machine design 
  • All modes of vehicular propulsion 
  • Wind and renewable power generation 
  • High-performance motion control 
  • Elevators and cranes 
  • HVAC equipment 
  • White goods and appliances

Course Outline

Applications and Technology Trends

  • Review of PM machine applications
  • Suitability for direct-drive applications
  • High-power-density and high-efficiency applications
  • Trends toward higher speed and higher power
  • Trends toward higher motor-converter

Fundamentals of Synchronous Machines

  • Equivalent circuit models
  • d-q modeling for salient pole machine
  • Magnetic circuit model
  • Introduction to magnetic materials properties

Major PM Machine Topologies

  • Features and comparative overview, attributes for selection
  • Stator and rotor configurations, including radial and axial

PM Machine Design and Analysis, Tools, and Methods

  • Electromagnetic
  • Thermal and structural
  • Parameter measurement
  • Design for self-sensing

Drive System Issues for PM Motors and Generators

  • Drive configurations and topologies
  • Torque-speed characteristics

PM Drive Control

  • Current regulators
  • Vector control and direct torque control (DTC)
  • Sensors, observers, and self-sensing control

Flux-Weakening Control

  • Alternative control algorithms
  • Interactions between machine design and control

Drive System Simulation

  • Matlab/Simulink
  • Rapid prototyping

Fault-Mode Operation

  • Open-circuit and short-circuit faults
  • Uncontrolled generator operation
  • Demagnetization
  • Fault-tolerant machine design


Ian Brown

Akira Chiba

Akira Chiba (S'82- M'88- SM'97- F’07) received the BS., MS. and Ph.D. degrees in Electrical Engineering from the Tokyo Institute of Technology, in 1983, 1985 and 1988, respectively. In 1988, he joined the Tokyo University of Science as a Research Associate in the Department of Electrical Engineering in the Faculty of Science and Technology. Since 2010, he has been Professor in the Graduate School of Science and Engineering in the Tokyo Institute of Technology. He has been studying magnetically suspended bearingless ac motors, super high-speed motor drives and rare-earth-free-motors for hybrid and pure electrical vehicles. He has so far published more than 1075 papers including the first book on “Magnetic bearings and bearingless drives” in 2005. He received the IEEJ Prize Paper Awards in 1998, 2005 and 2018. He also received First Prize Paper Award from the Electrical Machine Committee in the IEEE IAS in 2011 on a rare-earth-free motor. He has been served as Secretary, Vice-Chair, Vice-Chair-Chair-Elect, Chair and Past-Chair in the Motor Sub-Committee in the IEEE PES in 2007-2016. He was a member, Chair and Past-Chair in the IEEE Nikola Tesla Field Award Committee in 2009-2014. He served as Chair in IEEE-IAS Japan Chapter in 2010-2011. He was founding Chair in the Motor Technical Committee in Japan Society of Automotive Society in 2012-2018. He has served as a Secretary and Vice Chair in IEEE-IAS Electric Machine Committee since 2016. He has been ECCE Vice-Chair in technical committee since 2016. He has received the second and third place best paper awards in IEEE Transactions on Energy Conversion in 2017 and 2016, respectively. He was one of Technical Co-Chairs in IEEE IEMDC 2017 held in Miami, Florida. He has served as Editor in IEEE Transactions on Energy Conversion since 2013, and Associate Editor in IEEE Transactions on Industry Applications since 2011. He was the Department Head of Electrical and Electronics Department during 2014-2016 and led MOOC project of the Introduction of Electrical and Electronics Engineering, released in May 2017l through EDX. He has led active learning with internet Handbook application in undergraduate lectures. He is IEEE Fellow.

Thomas Jahns

Thomas M. Jahns is a Professor with the Department of Electrical and Computer Engineering at the University of Wisconsin–Madison. Previously with GE Corporate R&D and Massachusetts Institute of Technology, Jahns has research interests in electric machines, drive system analysis and control, and power electronic modules.

Bulent Sarlioglu

Bulent Sarlioglu is a Jean van Bladel Associate Professor at University of Wisconsin–Madison, and Associate Director, Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC). Dr. Sarlioglu spent more than ten years at Honeywell International Inc.’s aerospace division, most recently as a staff system engineer, earning Honeywell’s technical achievement award in 2003 and an outstanding engineer award in 2011.  Dr. Sarlioglu contributed to multiple programs where high-speed electric machines and drives are used mainly for aerospace and ground vehicle applications. Dr. Sarlioglu is the inventor or co-inventor of 20 US patents and many other international patents. He published more than 200 journal and conference papers with his students. His research areas are motors and drives including high-speed electric machines, novel electric machines, and application of wide bandgap devices to power electronics to increase efficiency and power density. He received the NSF CAREER Award in 2016 and the 4th Grand Nagamori Award from Nagamori Foundation, Japan in 2019. Dr. Sarlioglu became IEEE IAS Distinguished Lecturer in 2018.  He was the technical program co-chair for ECCE 2019 and was the general chair for ITEC 2018.  He is serving as a special session co-chair for ECCE 2020.



Upcoming dates (1)

Aug. 2-5, 2021

Madison, WI
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Program Director

Bulent Sarlioglu