1. Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hong Kong, China
2. State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan, China
3. School of Water Resources and Hydropower Engineering, Sichuan University, Chengdu, Sichuan, China
4. Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China