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Simulation on Moving Vehicles on a Highway by Segmental Fixed-End-Beam Model

机译：分段固定梁模型在高速公路上行驶车辆的仿真

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摘要

Segmental fixed-end-beam (FEB) model is developed to simulate the moving process of vehicles on a highway. The road is considered having two lines. Giving initial positions of the vehicles, the whole process is divided into several periods in which the positions of vehicles take a constant order. Each vehicle has two probable states: preparing to overtake or following another vehicle. Based on a FEB deflection curve, a functional relationship between the speed and time in both overtaking and following processes are obtained with some unknown parameters which represent the behaviors of the drivers. The length of each time period is determined by following criteria: equivalent distance between two vehicles and conditions of overtaking and following processes. The position of a vehicle at any specific time can be calculated by simulation program. As an example, a case of three vehicles is discussed in detail. A multi-vehicle case can also be treated by an extending of this method. Contrary to traditional methods, the proposed method is more devoted to the analysis of the local model and the linkage between these local models in different time periods. It is expected to give a clearer description of vehicle moving processes towards an application of computer in monitoring and controlling traffic flows on highways. Furthermore, it also helps a better understanding of the mechanism of traffic flows on highways institutionally.
机译：开发分段固定端梁（FEB）模型来模拟高速公路上车辆的行驶过程。这条道路被认为有两条线。给定车辆的初始位置，整个过程分为几个阶段，在此期间，车辆的位置保持恒定的顺序。每辆车都有两种可能的状态：准备超越或跟随另一辆车。根据FEB挠度曲线，可以通过代表驾驶员行为的一些未知参数获得超车和追随过程中速度和时间之间的函数关系。每个时间段的长度由以下标准确定：两辆车之间的等效距离以及超车和后续过程的条件。可以在任何特定时间通过仿真程序计算车辆的位置。例如，详细讨论三辆汽车的情况。也可以通过扩展此方法来处理多车案件。与传统方法相反，所提出的方法更致力于分析局部模型以及这些局部模型在不同时间段之间的联系。期望对计算机在监控和控制高速公路上的交通流中的应用过程中的车辆移动过程进行更清晰的描述。此外，它还有助于从制度上更好地了解高速公路上的交通流机制。

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