1. School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing, China
2. School of Automation and Electrical Engineering and the Key Laboratory of Knowledge Automation for Industrial Processes of Ministry of Education, University of Science and Technology Beijing, Beijing, China
3. Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing, China
4. College of Information Science and Engineering, Northeastern University, Shenyang, China