Lecture: Power system analysis, power system relay protection research direction: virtual reality interactive control, virtual surgery training, intelligent processing of medical information, scientific research and educational reform projects hosted and studied in recent years (indicate the research time limit, such as 2008-20 1/year):1. Research on Fast Collision Detection of Complex Scenes Based on GPU Programming, Hebei Natural Science Foundation 20 1 1-20 13, Moderator 2. Research and development of knowledge management system, 2007-2009 guiding plan project of Hebei Science and Technology Department, with 3 directors. Research on a new method of detecting harmonic sources in distribution network by critical impedance method, project of Hebei Provincial Department of Education 2005-2007, moderator 4. Model and strategy of dynamic health assessment system based on multi-agent, National Foundation of China, National Natural Science Foundation of China 201-2013, second director 5. Research on distributed intelligent living cell layer endoscopic surgery, project 20 10-20 13 of intelligence introduction base of State Administration of Foreign Experts Affairs, the second person in charge 6. Research on intelligent interactive control and virtual environment of manned six-degree-of-freedom parallel robot, 2008-20 1 1, second person in charge 7. Research on Real-time Rendering and Consistency Control of Distributed Virtual Scenes, Science and Technology Support Project of Hebei Science and Technology Department 2008-20 1 1, Second Chief Paper:,, Wang, Guo Lei. Improved real-time collision detection based on cellular spatial decomposition. Computer engineering and application, 20 1 1, 47(4), Chen, Wang. Improvement of dynamic terrain rendering algorithm. Computer engineering and application, 20 1 1. 47(30), Yang, Wang. Application of dynamic physiological information fusion in human health assessment system. Computer Engineering and Application 20 10/0,46 (16), Du, Wang. Collaborative control of distributed multi-interactive virtual scene rendering. Computer Engineering and Application, Liu Xiuling, April 29, 2009. Wang. Research and development of knowledge management system based on ontology information. Journal of Hebei University (Natural Science Edition), 2009,28 (5), Wang,,. Application of critical impedance method in harmonic source detection of distribution network. Power system automation, 2007,31(14), Wang, Measurement and correction of harmonic impedance of power network. Power system and its acta automatica sinica. , Wang,,, etc. Improvement of distribution network graphic system frame model and analysis of power supply path. Power system automation. 2006, 30(20) patent: an interactive motion system with high telepresence and intelligent perception and its implementation method, the second applicant registered software.