Junyang Li received Ph.D. degree in Mechanical Engineering from Chongqing University, Chongqing, China, in 2012. He is currently an Associate Professor of State Key Laboratory of Mechanical Transmission and College of Mechanical Engineering, Chongqing University. His research interests include Robot driving mechanism, Naval propulsion plant, Space vehicle mechanism, surface engineering and tribology. He has published more than 20 papers and applied for more than 10 invention patents.