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Research and Implement of 3D Modeling Technology in Scene Simulation System of Subway Trains Operation

Author: SongXiaoWei
Tutor: TangTao
School: Beijing Jiaotong University
Course: Traffic Information Engineering \u0026 Control
Keywords: Rail transport Visual Simulation Train operation control system Visual modeling Character simulation CBTC
CLC: U231.92
Type: Master's thesis
Year: 2007
Downloads: 402
Quote: 11
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Abstract


Rail transportation visual simulation for traffic characteristics, driving training and show customers an important tool. With high safety, reproducibility is good, can be developed and other significant advantages, in recent years, the research and development has become an important direction of development of the international visual simulation system of rail transit. Virtual reality technology and the development of computer simulation technology, provides technical support for the research and development of the subway train operation control visual simulation system. Research and development subway train operation control visual simulation system for subway drivers, you must first provide a virtual driving environment, provides a virtual operating environment for the train, Also allow customers to create a strong sense of immersion. Therefore, visual modeling has become the most important work of visual simulation development. Subject to the Beijing Municipal Science and Technology Program - CBTC system of urban rail transit communication-based research and development background, Beijing Metro Line 2 is the actual object of study, developed a desktop visual simulation system, successful implementation a subway train operation control real-time visual simulation. Papers to start working in the complex entity modeling, the virtual scene design, real-time optimization system to achieve some important concepts and methods of visual simulation modeling techniques. Papers on the basis of theoretical analysis of visual modeling technology, combined with the characteristics of the subway train running scene, professional visual simulation modeling software MultiGen Creator construction of a train running three-dimensional environment. Scene modeling method focuses on visual modeling technology. On this basis, the key technologies of the rational use of modeling, from the the scene structure optimization and model building optimizing two optimization techniques and methods of three-dimensional virtual scene modeling based on the MultiGen Creator, a good solution to the \The problem of \Finally, Vega-based three-dimensional scene rendering technology, the paper implements the system scene with real-time roaming the model-driven simulation and real-time control, character and natural phenomena, in addition to the communication subsystem design to meet the communication requirements. The demo results show that: the view generated by the driver to establish the model of the the visual modeling theory and methods described herein, the visual image output smooth and achieve a certain degree of fidelity and three-dimensional, has been applied to Beijing Metro Line 2 based CBTC experimental line of research and development.

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CLC: > Transportation > Rail transport > Special railway > Mass Transit Railway > Subway operation , management and operations management automation
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