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主干道动态协调控制技术

, PP. 1907-1911

Keywords: 控制子区,主干道,交通流,协调控制,模糊逻辑

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Abstract:

针对主干道信号协调控制问题,提出一种新的动态分段协调控制技术.首先分析路段长度、交通密度以及信号周期时间对关联度的影响,设计了基于分层结构的关联度模糊计算方法和基于关联度的控制子区划分方法;然后提出一种子区协调控制算法,根据一段时间内交通流信息计算子区公共信号周期、上下行相位差和各路口的绿信比.实际应用表明,该控制技术能有效降低主干道交通流平均旅行时间和平均停车率,效果令人满意.

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