1. School of System Design and Intelligent Manufacturing, Southern University of Science and Technology, Xueyuan Road 1088, Shen Zhen, Guang Dong 518055, China
2. Department of Applied Physics, Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
3. Department of Industry and Systems Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China