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双向有隔离路段干线交通信号优化实施策略 被引量:2
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作者 梁肖 彭宏勤 +1 位作者 孙壮志 郭继孚 《交通运输系统工程与信息》 EI CSCD 2010年第1期59-66,共8页
干线交通控制系统能有效减少机动车运行延误.本文以系统延误最小和绿波带宽最大为目标,构建了基于系统周期和相位差最优的干线交通控制模型,以双向有隔离的北京城市主干路——皂君庙路—大柳树路(含4个信控交叉口)为实例,提出了两种线... 干线交通控制系统能有效减少机动车运行延误.本文以系统延误最小和绿波带宽最大为目标,构建了基于系统周期和相位差最优的干线交通控制模型,以双向有隔离的北京城市主干路——皂君庙路—大柳树路(含4个信控交叉口)为实例,提出了两种线控优化方案,通过VISSIM仿真对该交叉口及其所在路段优化前后的交通状况进行了比较.结果表明:在北京市这类行人流量较大、交叉口布局紧凑的道路条件下,采用重叠相位能更好地优化线控系统;应用本文提出的控制策略对该路段进行线控优化后,交叉口总信控延误减小了59.6%,主线上的南向北和北向南平均行程速度分别提高了140.0%和51.7%,交通运行效率显著提高. 展开更多
关键词 城市交通 线控交通系统 交通仿真 相位差优化 相位相序
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Bus coordination holding control for transit hubs under APTS
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作者 滕靖 赵明 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2009年第1期131-137,共7页
To increase the passenger transferring efficiency, the bus coordination holding control for transit hubs, which is as an important dynamic dispatching method for improving the service level of transit hubs, was studie... To increase the passenger transferring efficiency, the bus coordination holding control for transit hubs, which is as an important dynamic dispatching method for improving the service level of transit hubs, was studied in the framework of bus coordination dispatching mode. Firstly, the bus coordination holding control flow was studied based on Advanced Public Transportation Systems (APTS) environment. Then a control model was presented to optimize the bus vehicle holding time, and a genetic algorithm was designed as the solving method. In the end, an example was given to illustrate the effectiveness of the control strategy and the algorithm. 展开更多
关键词 public transport system holding control transit hub coordination dispatching
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