针对构建驾驶模拟场景效率低、精度不高、方法不统一的问题,提出了一种基于BIM(Building Information Modeling)的驾驶模拟场景快速构建技术.首先,分析了 BIM技术的研究现状和构建驾驶模拟场景的关键技术及现有的场景构建方法存在的问题;其次,提出基于BIM技术的驾驶模拟场景构建方法,阐述了如何实现多源BIM数据的整合与转换、道路线形数据的对接以及利用UC win/Road软件快速搭建包括驾驶道路、交通工程设施和周边景观的驾驶模拟场景;最后,以狮子洋通道工程项目为例,展示使用此方法构建驾驶模拟场景的效果,并招募驾驶员从道路线形、环境视野、体感程度等3个方面对场景进行主观性评价.结果表明,对狮子洋通道工程驾驶模拟场景的道路线形无突变、环境视野无遮挡和体感程度可接受评价结果为"好"的次数分别占总评价次数的98.41％、93.77％和96.23％,说明使用该方法构建的驾驶模拟场景效果逼真、感受真实,能够较为真实地模拟现实道路场景.
Research on BIM-based Driving Simulation Scene Construction Technology
Aiming at the problems of low efficiency,low precision and inconsistent method of constructing driving simulation scene,a fast construction technology of driving simulation scene based on BIM(Building Information Modeling)is proposed.Firstly,the research status of BIM technology and the key technology of constructing driving simulation scenes and the problems of existing scene construction methods are analyzed.Secondly,the driving simulation scene construction method based on BIM technology is proposed,expounding on how to realize the integration and conversion of multi-source BIM data,the docking of road line data and the rapid construction of driving simulation scenarios including the driving road,traffic facilities and surrounding landscapes by using UC win/Road software.Finally,relying on the Shiziyang Link Project,the effect of constructing a driving simulation scene with this method is demonstrated,and drivers are recruited to evaluate the scene subjectively from three aspects:road linearity,environmental vision,and somatosensory degree.The results show that 98.41％,93.77％,and 96.23％of the total number of evaluations of the driving simulation scenarios of the two projects are"good"in terms of road linearity without abrupt changes,environmental vision without obstruction,and acceptable degree of physical sensation,respectively,indicating that the driving simulation scenarios constructed by this method has realistic effect and real feeling,and can simulate the real road scene more realistically.
Shiziyang Link Projectintelligent transportationdriving simulation sceneBIMvirtual reality
NETL
NSTL
万方数据
