基于复杂网络同步,本文研究城市快速路多入口匝道协调控制问题.采用元胞传输模型建立城市快速路节点耦合的复杂网络动力学模型,以同步为目标设计多入口匝道协调控制器并确定控制策略,其中牵制节点对应需施加控制信号的入口匝道,推导出城市快速路网络系统同步的稳定性条件,以此得到牵制节点和反馈增益矩阵.通过具体例子仿真验证了本文协调控制方法的有效性,能以较小的控制范围代价达到抑制交通拥堵从而提高道路通行效率的目的,控制效果优于传统协调控制方式,可进一步推广到大规模城市交通网络系统.%The problem of on-ramp coordinated control of urban expressway based on synchronization of complex networks is studied.Using cell transmission model(CTM),a node coupling model of complex networks for urban expressway is established.The coordinated controller of multi-on-ramp is designed to ensure the goal of network synchronization and the concrete control strategy is determined,where the pinning nodes are corresponding to the on-ramps of inputting control signal.The condition of synchronization and stability for the complex networks system of urban expressway is derived.And then the pinning nodes and the feedback gain matrix are obtained.The validity of the coordinated control method is proved via the simulation experiment of the concrete example.At the cost of the small control ranges,traffic jams can be suppressed.And then the goals of enhancing the road operating efficiency can be realized.The effect is superior to that of the traditional coordinated control methods,and the method can be further extended to large-scale urban traffic network system.
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