1. School of Automation & Electronic Engineering, Qingdao University of Science & Technology, Qingdao, People's Republic of China
2. Key Laboratory of Smart Manufacturing in Energy Chemical Process, Ministry of Education, East China University of Science and Technology, Shanghai, People's Republic of China
3. School of Automation, Qingdao University, Qingdao, People's Republic of China
4. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, Canada