Cal Xiushan was born in 1966. She received her Ph.D. degree from department of automation of Shanghai Jiaotong University in 2005, and she is a professor of Zhejiang Normal University, Her current research interests lie in nonlinear control and its applications.E-mail:xiushan@zjnu.cn Wang Xiaodong was born in 1958. He is a professor of Zhejiang Normal University. His research interests include robotics, computer vision, and nonlinear control and its applications. Lü Ganyun was born in 1978. He received his Fh.19. degree from Shanghai Jiaotong University in 2005, and he is an associate professor of Zhejiang Normal University. His current research interests lie in nonlinear control and its applications.