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无公交专用道单点公交被动优先适应性研究 被引量:1

Adaptability of Passive Priority at the Isolated Intersection without Bus Lanes
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摘要 根据现有的一种公交被动优先方法,对相关交通条件进行一定理想化处理。在实际约束和假设条件基础上,定义不同的交通情景,并假设一些能表征不同交通情景的虚拟交通数据。考虑社会车辆、公交车辆的载客数差异,从交叉口整体交通量、相交道路交通量和公交比例差异3个方面展开,采用循环迭代的设计思路,利用Matlab编程计算无公交专用道时单点公交被动优先对应于不同情景下的车均/人均延误水平,得出初步结果。初步结果经对比分析后发现:与Webster方法相比,该无公交专用道被动公交优先在一定条件假设下,更适应于整体交通量不大的交叉口,或交叉口相交道路交通量、公交车比例差异较大的情况。 Some assumptions are made to idealize related traffic conditions according to the passive priority method existed.And some traffic situations,which are represented by some suppositional traffic data,are identified at the base of the assumptions and real constrains.Then,the study is conducted from three aspects such as the overall traffic volume of the intersection,traffic volumes of the approaches and the differences between the transit percentages of approaches.The preliminary outcomes of average delays for vehicles and passengers are gained through programming on MATLAB with the design of circulating iteration,through considering the differences of the number of passengers between buses and other vehicles.According to the analysis of the preliminary outcomes,the result indicates that the passive priority without bus lanes is more suitable than the Webster method to intersections with low or moderate traffic volumes and biggish differences of traffic volumes or transit vehicle percentages between the intersected approaches.
作者 林焘宇 李枫
出处 《交通信息与安全》 2010年第4期71-76,共6页 Journal of Transport Information and Safety
关键词 公共交通 被动优先 无公交专用道 适应性 transit passive priority without bus lanes adaptability
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