Zhang Ning, Hebei University of Technology, master's degree, 2014-present, worked at the National Research Center for Rehabilitation Technical Aids , assistant researcher. The main research direction is intelligent control, rehabilitation engineering, etc. As the project leader, he completed 3 basic scientific research projects and 1 key laboratory project. As the person in charge of the participating unit, he participated in 2 national key research and development projects and 2 national natural fund projects. Published 5 related papers and applied for 6 patents.