1. School of Traffic and Transportation, Beijing Jiaotong University, Beijing, China
2. School of Computer Science, Beijing University of Posts and Telecommunications, Beijing, China
3. Macao Institute of Systems Engineering and Collaborative Laboratory for Intelligent Science and Systems, Macau University of Science and Technology, Macao, China
4. Department of Electrical and Computer Engineering, Center of Research Excellence in Renewable Energy and Power Systems and K. A. CARE Energy Research and Innovation Center, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia