1. School of Electrical Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
2. Nature Inspired Computing and Engineering Research Group, School of Computer Science and Electronic Engineering, University of Surrey, Guildford, UK
3. School of Software, Nanjing University of Information Science and Technology, Jiangsu, China
4. State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang, Liaoning, China
5. School of Control Engineering, Chengdu University of Information Technology, Chengdu, Sichuan, China