Qingsong Xu is currently a Full Professor of Electromechanical Engineering at the University of Macau, where he directs the Smart and Micro/Nano Systems Laboratory. He received a B.S. in Mechatronics Engineering (with honors) from the Beijing Institute of Technology, Beijing, China, in 2002, and an M.S. and Ph.D. in Electromechanical Engineering from the University of Macau, Macau, China, in 2004 and 2008, respectively. He has been a Visiting Scholar with the Swiss Federal Institute of Technology, Zurich, Switzerland; the National University of Singapore, Singapore; RMIT University, Melbourne, VIC, Australia; and the University of California at Los Angeles, Los Angeles, CA, USA. His current research interests include microsystems/nanosystems, micromechatronics/nanomechatronics, robotics and automation, smart materials and structures, and computational intelligence.