Ma Sai, Associate Professor, School of Mechanical Engineering, Shandong University. Ph.D. in Aerospace Propulsion Theory and Engineering from Nanjing University of Aeronautics and Astronautics, also participated joint PhD program in Department of Aerospace Engineering and the Fluid Structure Coupling Group at the University of Southampton in the United Kingdom (funded by CSC). From 2016 to 2018, worked as an assistant researcher and postdoctoral fellow in the Department of Mechanical Engineering at Tsinghua University. At present, he is a young editorial board member of the International Journal Brain-X, also member of the Youth Committee of the Chinese Association of Artificial Intelligence, Rotordynamics Committee of the Chinese Society of Vibration Engineering, and Fault Diagnosis Committee of the Chinese Society of Vibration Engineering. His main research direction is artificial intelligence algorithms and bio-mechanical signal processing algorithms; Mechanical and electrical equipment fault diagnosis - life prediction - predictive maintenance; Intelligent manufacturing; Brain computer interface and collaborative robot; Rotating Machinery Dynamics and Advanced Control Algorithms.