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中文摘要：
城市主干道往往承受着巨大的交通负荷，而干道交叉路口的交通流控制效果的好坏直接影响着整个城市的交通状况．以城市主干道交叉口为研究对象，提出了一种实用的交通流模糊控制算法．在现有的模糊控制算法的基础上，增加了绿灯延时终止算法，该算法通过对绿灯延时的细微调整，防止了不必要的绿灯延时，从而利用模糊逻辑对绿信比进行了优化．仿真结果表明。该控制方法比固定配时控制方法能更好地减少行车延误时间．
英文摘要：
Urban arterial roads play an important role in urban traffic, and the control efficiency of the arterial roads intersection will affect the whole traffic of the city. A practical approach to fuzzy control algorithm of urban traffic flow of intersection is described. Based on existing fuzzy logic controller, a green light termination algorithm is added, which can adjust green light extension time to avoid unnecessary extension time, So that the split is optimized by fuzzy logic. A simulation experiment was performed to measure the capability of above fuzzy controller at a four-phase intersection, and the performance was measured with average vehicle delays through the intersection. The simulations show that the results of the fuzzy controller are more satisfactory than fixed time method.
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