1. Tianjin Key Laboratory of Information Sensing and Intelligent Control, School of Automation and Electrical Engineering, Tianjin University of Technology and Education, Tianjin, China
2. School of Engineering, The University of Newcastle, Callaghan, NSW, Australia
3. Faculty of Engineering and Built Environment, The University of Newcastle, Callaghan, NSW, Australia
4. Department of Information Technology, Division of Systems and Control, Uppsala University, Uppsala, Sweden