1. School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, China
2. Engineering Research Center of Intelligent Control for Underground Space, Ministry of Education, and the School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, China
3. State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang, China
4. Department of Electrical Engineering, Yeungnam University, Gyeongsan, South Korea