Tang Renyuan: Academician of China Academy of Engineering, Professor of Shenyang University of Technology and Doctoral Supervisor. He is currently the director of the Institute of Special Motors of Shenyang University of Technology and the director of the National Rare Earth Permanent Magnet Motor Engineering Technology Research Center. Mainly engaged in rare earth permanent magnet motor and its key technologies, large transformers and generators, motor engineering theory, technology development and application research. He presided over the completion of more than 20 national high-tech research and development (863) plans, major projects in the Ninth Five-Year Plan, national natural science foundation projects and provincial and ministerial projects; He wrote the monograph "Theory and Design of Modern Permanent Magnet Motor", published 8 monographs and translations, and won the second and third prizes of national scientific and technological progress and the first and second prizes of provincial and ministerial level *** 10.