列车运行三维动态视景仿真

基金项目: 国家自然科学基金（51605495）

Three dimension dynamic visual simulation of train operation

1.
Hunan Institute of Humanities, Science and Technology, Loudi 417000, China;
2.
School of Transportation Engineering, Central South University, Changsha 410075, China

摘要: 列车运行的三维视景仿真可在设计阶段把新车外观和内饰展现给用户，并为线路规划、列车运行调度等提供依据。对列车运行视景仿真方案进行分析的基础上，建立了地形地貌、轨道、建筑物及车辆的三维视景模型。从提高动态仿真效率和渲染速度的角度出发，采用基于图形与图像的混合建模方法和LOD与纹理映射技术，实现了列车运行的三维动态视景仿真，达到具有较高逼真度的视景效果。
- 列车 /
- 三维建模 /
- 模型优化 /
- 视景仿真
Abstract: Three dimensional(3D) visual simulation of train operation can show the appearance and interior of the new train to the user in the design phase, provide the basis for the route planning, the train operation dispatching and so on. On the basis of analyzing the train operation visual simulation schemes, it was established 3D visual model of terrain, track, building and vehicle. To improve the dynamic simulation efficiency and rendering speed, the hybrid modeling method based on graphics and image was adopted, level of detail(LOD) and texture mapping technique were used to implement the 3D dynamic visual simulation of train operation, achieve the visual effect with high fidelity.
- train /
- three dimensional(3D) modeling /
- model optimization /
- visual simulation

[1]	向哲，李善高，邱发廷，等．反舰导弹靶场试验视景仿真技术[J]．海军航空工程学院学报，2010，25（2）：235-237.
[2]	刘航，王春水，王积忠．基于Creator/Vega 的虚拟场景设计与实现[J]．计算机仿真，2007，24（9）：228-231.
[3]	丁国富，翟婉明，王开云．机车车辆在轨道上运行的动力学可视仿真[J]．铁道学报，2002，24（3）.
[4]	包学海．高速客车车体和构架结构振动研究[D]．成都：西南交通大学，2009.
[5]	丁国富，翟婉明．车辆- 轨道耦合系统中基于变参数的三维图形仿真研究[J]．计算机辅助设计与图形学学报，2002，14（2）：115-119.