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基于灵活相位的双向绿波协调控制

Keywords: 交通工程,灵活相位,NEMA相位,双向绿波,微观仿真

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Abstract:

先进的交通信号控制系统的核心是控制策略及参数模型,而信号相位设计是交通信号设计中最具有创造性的部分,也是控制策略实现前提条件。针对目前城市干线交通拥挤现状,提出了一种基于NEMA相位的灵活相位相序协调控制优化方案,并给出了相应的设计原则,再在MAXBAND核心数学模型上给出了基于灵活相位的双向绿波带宽最大化模型。最后通过实例验证分析表明,相对于传统相位相序策略,灵活相位策略具有一定的优越性,而且该策略能够有效提高干线的通行效率,减轻城市交通堵塞。

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