Professor Guanjun Liu, School of Intelligent Science, National University of Defense Technology, PhD supervisor in the discipline of mechanical engineering, deputy chairman of the Professional Committee of Force Tactile Perception and Interaction of the Chinese Instrument Society, expert in the professional group of advanced testing technology, long-term research on equipment intelligent state perception and agile guarantee, etc. . He has presided over more than 20 national and provincial and ministerial projects. The results won 2 first prizes for the military's scientific and technological progress.