1. School of Mathematics and Physics, Hebei University of Engineering, Handan, People's Republic of China
2. School of Management Engineering and Business, Hebei University of Engineering, Handan, People's Republic of China
3. School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan, People's Republic of China
4. Hebei Key Laboratory of Intelligent Water Conservancy, Handan, People's Republic of China