1. School of Control Engineering, Northeastern University at Qinhuangdao,Qinhuangdao,China
2. School of Computer and Communication Engineering, Northeastern University at Qinhuangdao,Qinhuangdao,China
3. College of Information Science and Engineering, Northeastern University,Shenyang,China
4. Taylor's University,Faculty of business and law,Subang Jaya,Malaysia