作　　者： ; ; ;

机构地区： 华南理工大学土木与交通学院

出　　处： 《广西师范大学学报（自然科学版）》 2010年第1期1-5,共5页

摘　　要： 在传统的基于制动过程的安全距离模型的基础上,考虑了前后车之间的速度关系和车辆制动减速度的渐变过程,建立了单车道跟驰状态下车辆跟驰的安全距离模型。通过Matlab仿真计算,从理论上验证了该模型能够很好地解决传统模型计算的安全距离存在较大偏差的问题。最后,通过VC++建立了十字交叉口的仿真系统,进一步检验了改进模型在保证车辆安全跟驰的情况下,能够提高道路交通效率,减小交叉口的总延误,从而减少交通环境污染。 Based on the tradition safety distance models for vehicle avoidance in the braking process ,the model on the safety distance is established in considering of the speed relationship between the front and the later vehicle,and the gradual process of vehicle deceleration. Simulation done with Matlab verified this model could resolve the inaccurate defects in computing safety left by the tradition model in theory. At last,an intersection traffic-wave simulation system is established taking Visual C＋＋6.0 as software development platform,and the results. Show that the modified model can improve the efficiency of the road and reduce the traffic pollution and intersection total delay under condition that the safe distance production is ensured.

关 键 词： 交通工程 车辆跟驰模型 仿真 安全距离 制动

领　　域： [交通运输工程] [交通运输工程]