Ruifeng Yang received a B.S. in Testing Technology and an M.S. and Ph.D. in Measurement Technology and Instruments from the North University of China, Taiyuan, China, in 1992, 1999, and 2005, respectively. From 2010 to 2012, he studied at the Postdoctoral Center for Control Engineering at Beihang University. He is currently a Professor at the School of Instrument and Electronics, North University of China, and the Director of the Automatic Test Equipment and System Engineering Research Center of Shanxi Province. He was awarded a second prize for scientific and technological progress in Shanxi Province. He has presided over more than ten scientific research projects (including government-sponsored research and projects of school–enterprise cooperation), such as the National Fund and the Doctoral Foundation of the Ministry of Education, and has authored or co-authored more than 20 academic papers. His research interests include automated testing and control technology, equipment test detection and system integration, and intelligent instruments.