Lei XuLei Xu was born in 1982. He received the Ph.D. degree in management science and engineering from Sichuan University, Chengdu, China, in 2012, and the B.S. and M.S. degrees in communication engineering from University of Electronic Science and Technolgy of China (UESTC), Chengdu, China, in 2004 and 2007, respectively. He is currently an associate professor and the management department head at Xihua University, Chengdu, China. He is also a research fellow of the Uncertainty Decision-making Laboratory at Sichuan University. His area of research interest mainly focuses on complex systems engineering and integrated system health and risk management. Read More Read Less