Hello, do you want to ask Mr. Wang Yufeng from College of Telecommunications, Liaoning University of Science and Technology? Teacher Wang Yufeng from College of Telecommunications, University of Science and Technology Liaoning is very good. Wang Yufeng, a teacher, associate professor and tutor of master students in the School of Telecommunications, Liaoning University of Science and Technology, is engaged in the research work in the field of pattern recognition and intelligent systems, a peer-reviewed expert in Journal of Qingdao University, and a vice president of science and technology of "Double Innovation Plan" in Jiangsu Province, mainly engaged in the design and development of power electronic converter technology and detection devices, and the research on the reliability of electromagnetic compatibility of products. The first author has published more than 10 papers in Chinese core journals, retrieved 6 papers by EI, presided over and participated in many provincial, municipal, university-level and horizontal projects, including utility model patent 1 and software copyright 1.