1. Department of Mechanical Engineering, The University of Hong Kong, Hong Kong.
2. Corresponding author. Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, and HKU Shenzhen Institute of Research and Innovation, Shenzhen 518063, China.
3. Department of Control Science and Engineering, College of Electronics and Information Engineering, Tongji University, Shanghai 201804, China.
4. Department of Automation, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China, and Institute for Automatic Control and Complex Systems, University of Duisburg-Essen, Duisburg, 47057, Germany.
5. Guangdong Province Key Laboratory of Intelligent Decision and Cooperative Control, and the Guangdong-HongKong-Macao Joint Laboratory for Smart Discrete Manufacturing, Guangdong University of Technology, Guangzhou 510006, China.
6. School of Electrical and Mechanical Engineering, The University of Adelaide, SA, 5005, Australia.
7. School of Electrical and Mechanical Engineering, The University of Adelaide, SA, 5005, Australia, and the Research and Innovation Centre, Obuda University, 1034 Budapest, Hungary.