1. School of Electrical Engineering and Electronic Information, Xihua University, Chengdu 610039, China
2. Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu 610039, China
3. Research Group on Natural Computing, Department of Computer Science and Artificial Intelligence, Universidad de Sevilla, Sevilla 41012, Spain
4. Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co. Ltd., Taizhou 318000, China