Aimed at the problems of low efficiency and danger in the existing power maintenance training methods,a power ma-intenance evaluation system based on immersive virtual reality(VR)technology is developed.Based on the equipment 3D accu-rate model and VR simulation technology,the system imports the power plant scene and equipment accurate model through MakeReal3D platform for content development.Using key technologies such as model lightweight,3D UI display and VR multi-means interaction,an immersive virtual maintenance and virtual scene operation simulation platform is established.At the same time,five-sided LED-CAVE,mobile virtual platform and helmet-type immersive simulation environment are built for ren-dering display.According to the field environment of the actual operation and the real structure of the equipment,the system establishes three-dimensional virtual scenes such as maintenance and operation required for the evaluation,and supplements the accurate model data required for the evaluation.The actual working environment of the power station is reconstructed according to the requirements of the evaluation content,which helps to improve the professional technicians'sense of substitution and re-alism of the operation scene.
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