LEI SHI received the B.S. degree in process equipment and control engineering from Xi'an Jiaotong University, Xi'an, Shaanxi, China, in 2011, and the M.S. degree in chemical process machinery from Tianjin University, Tianjin, China, in 2014. He is currently pursuing the Ph.D. degree in mechanical engineering with the School of Mechanical Engineering, Chongqing University, Chongqing, China. His current research interests include manufacturing systems engineering, intelligent manufacturing and production scheduling.