WANG Zhao-Xia Ph.D. candidate at School of Mechatronic Engineering and Automation, Shanghai University. She is also a lecturer at the School of Electrical Engineering and Automation, Qilu University of Technology. She received the B. Sc. and M. Sc. degrees from Shandong University in 2002 and 2005. Her research interest covers networked control system. E-mail: zhaoxia6211@163.com DU Da-Jun Associate professor at Shanghai University. He received the B. Sc. and M. Sc. degrees all from the Zhengzhou University in 2002 and 2005, respectively, and his Ph. D. degree in control theory and control engineering from Shanghai University in 2010. His research interest covers networked control systems, system modeling and identification. Corresponding author of this paper. E-mail: ddj@shu.edu.cn FEI Min-Rui Professor at Shanghai University. He received his B. Sc., M. Sc. and Ph.D. degrees all from Shanghai University in 1982, 1992 and 1997, respectively. His research interest covers networked advanced control and system implementation, distributed and fieldbus control systems, key technology and applications in multi-fieldbus conversion and performance evaluation, as well as the application of virtual reality and digital simulation in industry. E-mail: mrfei!staff.shu.edu.cn