Hai Zhang is currently a Professor with the School of Mathematics and Computation Science, Anqing Normal University, China. Since July 1999, he has been working with the School of Mathematics and Computation Science, Anqing Normal University, China. He received the M.S. degree and Ph.D. degree from Anhui University, China, in 2007 and 2010. From December 2012 to November 2014, he was a Postdoctoral Research Fellow with the Department of Mathematics, Southeast University, China. His current research interests include nonlinear dynamics, fractional-order systems, neural networks, stability theory and control theory.