1. Center for Complex Systems, School of Mechano-Electronic Engineering, Xidian University, 47905 Xian, Shaanxi, China, (e-mail: nchuang@stu.xidian.edu.cn)
2. Center for Complex Systems, School of Mechano-Electronic Engineering, Xidian University, 47905 Xian, Shaanxi, China, (e-mail: yy18629370639@163.com)
3. School of Automation, Northwestern Polytechnical University, 26487 Xi'an, Shaanxi, China, 710129 (e-mail: zhangdingwen2006yyy@gmail.com)
4. Center for Complex Systems, School of Mechano-Electronic Engineering, Xidian University, 47905 Xian, Shaanxi, China, (e-mail: qzhang@xidian.edu.cn)
5. Computer Science Department, Aberystwyth University, 1026 Aberystwyth, United Kingdom of Great Britain and Northern Ireland, (e-mail: jungonghan77@gmail.com)