This paper focuses on the characteristics of immersive media technology and the advantages, problems and solutions in applying this technology to improve the teaching effectiveness of ideological and political theory courses in colleges and universities. Firstly, it introduces the current development and characteristics of immersive media technology. Secondly, it analyzed the outstanding advantages of immersive media technology in teaching from the following perspectives: virtual reality and augmented reality; sensory stimulation and emotional experience; and human-computer interaction and self-harmony. Thirdly, it puts forward the ways to improve the teaching effectiveness based on immersive media technology from the aspects of theoretical study, history study, and practical study of ideological and political theory courses in colleges and universities. Finally, it discusses the problems in applying immersive media technology to teaching the above courses and puts forward some solutions.

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Based on S7-200 PLC, pressure sensors and amplifiers, this paper uses PID instruction to establish the closed-loop pressure control system of the required thrust in turning airbags. So in the automatic overturning airbags, it is capable to real-time control the push rods running status.

Reverse engineering is used to obtain mold’s numerical point cloud. The key is to get mold’s defective area and boundary’s features information. Then its original model of mold’s defective parts is built, and combined with bi-cubic B-spline to control vertex, the abutting of curves and surfaces, and value iteration technologies for integrate modeling of defect molds.Using finite element analysis and multiple technologies to analyze and amend, the model is repeated revised until a mold’s complete model is obtained.