Wen-long Li received the B.S. degree in Mechanical Engineering and Automation from Xi'an Jiaotong University, Xi'an, China, in 2004, the Ph.D. degree in Mechatronic Engineering from Huazhong University of Science & Technology (HUST), Wuhan, China, in 2010, and the Postdoctoral research in Control Engineering also from HUST in 2012. Now he is a Professor at Huazhong University of Science & Technology, Wuhan, China. His current research interests include complex surface inspection and robotic machining.