1. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China
2. Department of Mechanical and Civil Engineering, College of Engineering and Science, Florida Institute of Technology, Melbourne, FL, USA
3. State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang, China
4. Department of Electrical and Computer Engineering, New York University, Brooklyn, NY, USA