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非对称通行条件下的双向绿波协调控制数解算法

, PP. 95-103

Keywords: 交通工程,双向绿波,数解算法,非对称,信号相位,协调控制

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Abstract:

?为了解决现有绿波协调控制数解算法不适用于采用进口混合放行方式或双向通行条件不对称的干道交叉口群的问题,利用速度变换与相位组合的方法,给出了非对称通行条件下的双向绿波协调控制数解算法。该算法利用时距分析图计算理想交叉口间距,通过寻求与实际交叉口位置最为匹配的理想交叉口位置,对干道公共信号周期、交叉口信号相位组合和各交叉口相位差进行整体优化设计。理论与算例分析结果表明:该算法不会受到干道上交叉口信号相位设置方式、双向行驶速度及交叉口双向间距的限制,能较好地适应干道不同方向上的非对称通行条件,可以使理想交叉口间距取值具有更大的选取空间,易于取得更好的双向绿波协调控制效果,具有良好的通用性与广泛的适用范围。

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