1. School of Intelligent Systems Science and Engineering (Institute of Physical Internet), Jinan University, Zhuhai, People's Republic of China
2. Department of Building and Real Estate, The Hong Kong Polytechnic University, Kowloon, Hong Kong
3. Artificial Intelligence Key Laboratory of Sichuan Province, Sichuan University of Science & Engineering, Zigong, People's Republic of China
4. School of Automation, Guangdong University of Technology, Guangzhou, People's Republic of China
5. Department of Mechanical and Automation Engineering, Chinese University of Hong Kong, New Territories, Hong Kong