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Microscopic Simulation Microscopic Analytical Model Comparison in Analyzing a Signalized Intersection

机译:信号交叉口分析的微观仿真与微观分析模型比较

摘要

Most of intersections are complex maneuvering areas with high number of traffic conflicts of crossing, merging and diverging. It is also suffered from the problem of flow and capacity that passing through the intersections since many factors have influenced the efficient of the intersections. Due to the complexity task in analysis of a signalized intersection, the used of microscopic simulation model has become very popular for traffic engineers and planners in dealing with such activities. This is because of great advantage that offers by this model especially on the ability to realistically model a complex transport system and it provides users with the most desirable statistics and performance measures of alternative design or existed transport system. This study aims to assess the consistency of the results generated by micro simulation models in analysis the performance of a signalized intersection. In this case, a micro analytical model will be used alongside micro simulation model. Therefore, the results produced by both models could be compared in order to assess for the consistency of micro simulation model. To carry out the modelling of micro simulation and micro analytical, CUBE Dynasim and aaSIDRA has been used as a tool accordingly. A four legged signalized intersection at South Road and Henley Beach Road in Adelaide was selected to serve as a case study. The result comparison was based on the performance measures of the signalized intersection such as the traffic flows, delay and level of service (LOS). In this study, the results demonstrated by CUBE Dynasim microscopic simulation model was reasonably consistent with aaSIDRA microscopic analytical model in analyzing a signalized intersection.
机译:多数交叉路口是复杂的机动区域,交叉,合并和分叉的交通冲突很多。由于许多因素影响了交叉路口的效率,因此还存在通过交叉路口的流量和通行能力的问题。由于信号交叉口分析中的复杂性任务,微观模拟模型的使用在交通工程师和规划人员处理此类活动中变得非常流行。这是因为此模型提供的巨大优势,尤其是在对复杂的运输系统进行实际建模的能力上,并且为用户提供了替代设计或现有运输系统的最理想的统计数据和性能度量。这项研究旨在评估微观模拟模型在分析信号交叉口的性能时所产生结果的一致性。在这种情况下,将与微观仿真模型一起使用微观分析模型。因此,可以比较两个模型产生的结果,以评估微仿真模型的一致性。为了进行微观模拟和微观分析的建模,相应地使用了CUBE Dynasim和aaSIDRA作为工具。案例研究选择了阿德莱德南路和亨利海滩路的四脚信号交叉口作为案例研究。结果比较是基于信号交叉口的性能指标,例如交通流量,延误和服务水平(LOS)。在这项研究中,CUBE Dynasim微观仿真模型所显示的结果与aSIDRA微观分析模型在分析信号交叉口时具有合理的一致性。

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