XUEFENG ZHANG received a B.Sc. degree in Applied Mathematics, an M.S. degree in Control Theory and Control Engineering, and a Ph.D. in Control Theory and Control Engineering from Northeastern University, Shenyang, China, in 1989, 2004, and 2008, respectively. He currently works at the School of Science, Northeastern University. He has published more than 100 journal and conference papers and three books. His research interests include fractional order control systems and singular systems. He is also an associate editor of IEEE ACCESS and is a committee member of the Technical Committee on Fractional and Control of the Chinese Association of Automation.