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交叉口信号实时滚动优化模型及算法

DOI: 10.13195/j.kzyjc.2012.1809, PP. 645-650

Keywords: 信号控制,滚动优化,公交优先,遗传算法

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Abstract:

为了合理控制单交叉口交通流并且优先公交,建立可变相序的实时滚动优化模型.该模型将公交优先嵌入优化控制,对每辆公交车实时分配权重系数,以交叉口社会车辆和公交车辆的人均延误最小为目标,优化确定相位序列和相位长度.通过跳相来实现相序优化,运用改进的遗传算法来求解.具体实例表明,可变相序的实时滚动优化模型能有效地减少系统的人均延误,并能在尽量减小对社会车辆的影响下实现公交优先.

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