论文标题
一种基于交通延迟的新颖的最大压力算法
A Novel Max Pressure Algorithm Based on Traffic Delay
论文作者
论文摘要
本文考虑了一种基于新型的旅行 - 最大压力算法,用于控制具有信号交叉点的任意运输网络。传统的基于车辆的最大压力(原始MP)算法最近由于对大型网络方案的实现和可扩展性而受到了极大的关注。原始MP算法还具有称为最大稳定性的理想属性,这意味着,只要任何现有的控制策略可以容纳该方法,就可以通过此方法来适应需求方案。但是,在实践中实施原始MP最大压力算法可能很困难,因为在交叉点上的队列长度的估计需要大量的测量基础架构。原始MP框架还使用点队列模型来表示链路之间的车辆过渡,即使这可能会对控制性能产生重大影响,这也不考虑车辆的位置。此外,由于队列短,旅行需求低的交叉方法可能会导致任意延迟。提出的基于旅行 - 基于延迟的最大压力模型克服了这些缺点,同时继承了原始MP的最大稳定性功能。在一系列仿真测试中,它还表现出优于几个基准最大压力变体。最后,提出的算法可以在连接的车辆(CV)环境中实施,其中一部分车辆用作移动探针。结果表明,与在某些交通条件下完全穿透速率的基准模型相比,基于不充实的渗透率的拟议基于旅行 - 延迟的模型具有较低的延迟。
This paper considers a novel travel-delay-based Max Pressure algorithm for control of arbitrary transportation networks with signalized intersections. The traditional number-of-vehicle-based Max Pressure (Original-MP) algorithm has received tremendous attention recently due to its ease of implementation and scalability to large network scenarios. The Original-MP algorithm also has a desirable property called maximum stability, which means a demand scenario can be accommodated by this method as long as it can be accommodated by any existing control policy. However, implementation of the Original-MP Max Pressure algorithm may be difficult in practice as estimation of queue lengths at intersections requires significant measurement infrastructure. The Original-MP framework also uses a point queue model to represent the vehicle transition between links, which does not consider the position of the vehicles, even though this may significantly impact the control performance. In addition, intersection approaches with low travel demand can incur arbitrarily large delays due to having short queues. The proposed travel-delay based Max Pressure model overcomes these drawbacks while inheriting the maximum stability feature of the Original-MP. It also is shown to outperform several benchmark Max Pressure variants in a battery of simulation tests. Lastly, the proposed algorithm can be implemented in a Connected Vehicle (CV) environment, in which a subset of vehicles serve as mobile probes. The results show the proposed travel-delay-based model generates lower delay with non-full penetration rate than the benchmark models with full penetration rate under certain traffic conditions.