中文摘要：

Zhao Zhihua was born in 1972. She is a lecturer of Tianjin University. Now she is a Ph. D. student. Her research interests include H∞ control of systems and predict control. E-mail：zhaozhihua@tju.edu.cn Chen Yuepeng was born in 1971. He is a professor of Wuhan University of Technology. Now he is a doctor. His research interests include H∞control of descriptor systems and fault-tolerant control. Zhang Qingling was born in 1956. Now he is the dean of College of Science of Northeastern University, professor of control theory and control engineering, and doctor tutor. His current research interests are decentralized control, robust control, fault-tolerant control, and theory of descriptor systems.