Chinese Journal of Electrical Engineering ›› 2017, Vol. 3 ›› Issue (2): 53-61.

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Overview of Advanced Control Strategies for Electric Machines

Chunhua Liu1,2,*, Yixiao Luo1,2   

  1. 1. Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China;
    2. School of Energy and Environment, City University of Hong Kong, Hong Kong, China
  • Online:2017-09-25 Published:2019-10-31
  • Contact: E-mail: chualiu@eee.hku.hk.
  • About author:Chunhua Liu (S'05-M'10-SM'14) received the B.Eng. and M.Eng. degrees from Department of Automatic Control, Beijing Institute of Technology, China, in 2002 and 2005, respectively, and the Ph.D. degree from Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong, in 2009. He currently serves as an Assistant Professor in the School of Energy and Environment, City University of Hong Kong, Kowloon Tong, Hong Kong. He is the author of more than 120 refereed technical papers. His research interests are in electrical energy and power technology, including electric machines and drives, electric vehicles, electric ships and electric aircrafts, renewable energy and microgrid, wireless power transfer, and robotics. Yixiao Luo (S’16) received the B.Eng. degree in electrical engineering from Wuhan University, Wuhan, China, in 2013 and M.Eng. degree from Hanyang University, South Korea, in 2015. He is currently working toward the Ph.D. degree in electrical engineering in City University of Hong Kong. His research interests include power electronics and advanced electric machine drives.
  • Supported by:
    Supported by the general program of National Natural Science Foundation of China under Grant 51677159, and a grant (Project No. CityU 21201216) from the Research Grants Council of HKSAR, China.

Abstract: Control strategies play a key role for operation of electric machines, which would directly affect the whole system performance. In fact, different control strategies have been executed and explored for electric machines, which bring great impacts to industrial development and human society. This paper investigates and discusses the advantages control strategies for electric machines, including the field oriented control (FOC), direct torque control (DTC), finite control set model predictive control (FCS-MPC), sensorless control, and fault tolerant control (FTC). The corresponding control principles, control targets, fundamental approaches, advanced approaches, methodologies, merits and shortcomings are revealed and analyzed in detail.

Key words: Electric machine, permanent-magnet (PM) machine, AC machine, control strategy, advanced control, field oriented control (FOC), direct torque control (DTC), finite control set model predictive control (FCS-MPC), sensorless control, and fault tolerant control (FTC).