Combining driver response with cyclical queue optimisation over selected corridors

A case study located in Auckland, New Zealand, was used to quantify the magnitude of savings that may result if the SCATS adaptive traffic control system contains an explicitly combined queue estimation and offset adjustment on a cycle‐by‐cycle basis. A validated SATURN traffic model was used to evaluate five scenarios that represent the short‐run and long‐run efficiency gains resulting from progressive signal adaption with an objective of queue minimisation on the main corridors. Optimisation was applied both area‐wide, and on selected arterial corridors, using a combined split/offset optimisation routine with responsive driver behaviour to achieve a network‐wide and corridor‐specific efficiency gain. The modelling heuristic evaluates the efficiency of both the Equisat and P₀ optimisation policies that would mimic a more progressive adaption of signals under SCATS. Results for the long‐run area‐wide optimisation can produce network‐wide travel‐time savings in the order of 20% and a reduction in transient queues of 28% if only selected corridors are optimised, with a 5% reduction in journey time over an average 8‐min journey. Copyright © 2016 John Wiley & Sons, Ltd.     

浅谈利用ETC技术进行交叉口信号灯智能控制的优化

提出了一种利用ETC技术进行城市道路交叉口信号灯智能控制的优化措施,利用ETC设备的现有功能,通过收集交叉口等候车辆的信息,经计算机中心处理后,予以智能化控制,缩短交叉口车辆等候时间,提高道路通行效率。     

BRT在SCATS系统中的信号控制研究

随着社会的发展,公共交通方式的形式不断地发生变化。新的交通方式的出现必然要与已有的设施相融合,才能更好地为公共出行服务。现在世界上很多国家和地区都在使用B1KT（快速公交系统）。近日,广州市也在规划实行B1KT,由于广州市正在使用并将继续完善的区域控制系统是澳大利亚的SCATS系统。因此,如何将两者之间结合起来势必影响到实施路段乃至关联路段的交通状况。本文正是出于这种考虑,从信号控制的角度,分析了两者之间如何结合的问题。