Tianzhong Xiong is an Associate Professor at the College of Mechanical & Electrical Engineering, Sanjiang University, China. He received his BE degree (1997) from Hefei University of Technology and his ME degree (2006) from Hohai University, China. He is currently studying for his PhD degree at the College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, China. His current research interests include motion control, waste metal sorting, mechatronics and computer applications.