**About the Editors**

### **Yuling He**

Yu-Ling was born in Longyan City, Fujian Province, P.R. China, in 1984. He received two B.S. degrees in Mechanical Engineering and Electrical Engineering, respectively, his M.S. degree in Mechatronics Engineering, and his Ph.D. in Power Machinery and Engineering, all from the North China Electric Power University, Baoding, China, in 2007, 2009, and 2012, respectively.

He is now a Professor within the Department of Mechanical Engineering, North China Electric Power University, Baoding, China. His research interests include condition monitoring and failure prevention of electric machines, mathematical modeling for electromechanical systems, and intelligent equipment development.

The proffessor is the Vice Dean of Hebei Provincial Engineering Research Center of Advanced Manufacturing and Intelligent Maintenance on Electric Machinery and the Vice President and Secretary General of Heibei Society for Vibration Engineering. He was named the Top Youth Talent of Hebei Province, the Second Class Talent of Hebei Provincial 3-3-3 Talent Project, and the Excellent Expert of Baoding City, Hebei Province.

### **David Gerada**

David Gerada received his Ph.D. in High-Speed Electrical Machines from the University of Nottingham, Nottingham, UK, in 2012. From 2007 to 2016, he was working within the R&D Department at Cummins Inc.

At Cummins, he pioneered the design and development of high-speed electrical machines, transforming a challenging technology into a reliable one suitable for the transportation market, and establishing industry-wide metrics used for such machinery. In 2016, he joined the University of Nottingham, where he is currently a Professor, responsible for developing state-of-the-art electrical machines for future transportation that pushes the existing technology boundaries, while propelling new technologies to high technology readiness levels (TRLs).

Prof. Gerada is a Chartered Engineer in the U.K. and a Fellow of the Institution of Engineering and Technology. His research interests include high-speed machines, novel materials and their applications to electromechanical energy conversion, and traction machines.

### **Conggan Ma**

Conggan Ma was born in Sichuan, China, in 1987. He received his B.S.E. and Ph.D. degrees in Automotive Engineering from Tongji University, Shanghai, China, in 2010 and 2014, respectively.

Since 2019, he has been a Professor with the Automotive Engineering College, Harbin Institute of Technology-Weihai, Weihai, China, where he was an Associate Professor from 2014 to 2019. His research interests include vehicle system dynamics and control, vehicle vibration and noise control, and vibration and noise of electrical machines.

Prof. Ma is a senior member of the Chinese Society for Vibration and Engineering, a member of the IEEE Vehicular Technology Society, a member of the Chinese Society of Theoretical and Applied Mechanics, and a member of the Society of Automotive Engineering of China.

### **Haisen Zhao**

Haisen Zhao received his B.E. degree in Agricultural Electrification and Automation from the Agriculture University of Hebei, Baoding, China, in 2004, and his M.E. and Ph.D. degrees in Electric Machines and Apparatus from North China Electric Power University (NCEPU), Beijing, China, in 2007 and 2011, respectively.

Dr. Zhao is currently a Professor with the School of Electrical and Electronics Engineering, North China Electric Power University, Beijing, China. From December 2018 to December 2019, he was a Visiting Scholar with the Energy Systems Research Laboratory, Department of Electrical and Computer Engineering, Florida International University, Miami, FL, USA. He has authored and coauthored more than 100 articles in peer-reviewed journals and major international conferences, and has 20 patents awarded in the area of electric machine design, control, and energy-saving technologies. His research interests include electrical motors design, diagnosis, energy analysis, and energy-saving technologies of electric machines and drive systems, as well as wireless power transfer.
