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为提高路况信息获取的预知性和路径引导的时效性,首先综合车辆运行过程中不同时段的路况差异和人因作用,运用时间递推原理,构建交通路径动态诱导整体结构模型,比较知识库累积经验路径与实时路况信息,为驾驶人的时间最短通行路径选择提供信息支撑;然后基于有师学习思路,对路径诱导逻辑内核结构进行解析,给出局部绕行和整体绕行2种算法实现的伪代码;最后通过对不同时刻出行和相同时刻出行的实例仿真分析,验证模型及程序的可靠性。研究结果表明:该交通路径动态诱导方法可辅助驾驶人及时对路况做出正确判断,减少因经验不足和突发事件造成的时间损失,适用于安装有GPS导航的车辆。
In order to improve the predictability of the traffic information acquisition and the timeliness of the route guidance, this paper first integrates the traffic differences and human factors in different periods during the operation of the vehicle, and uses the time recursive principle to construct a dynamic structural model of the traffic route. Experience path and real-time traffic information to provide the information support for the driver’s shortest path choice. Then, based on the study mentality, this paper analyzes the path-induced logic kernel structure, and gives two algorithms of partial rounding and global roundabout Pseudo-code; Finally, by simulating and analyzing the examples of traveling at different times and traveling at the same time, the reliability of the model and the program is verified. The results show that the method of dynamic guidance of the traffic route can assist drivers to make correct judgment of road conditions in time, reduce the time loss caused by lack of experience and unexpected events, and is suitable for vehicles with GPS navigation.