Institution: | 1. Department of Applied Mathematics, College of Science , Harbin Engineering University , Harbin 150001, P.R. China buchangjiang@hrbeu.edu.cn;3. Department of Applied Mathematics, College of Science , Harbin Engineering University , Harbin 150001, P.R. China;4. College of Automation , Harbin Engineering University , Harbin 150001, P.R. China |