Based on the collection and statistics of the traffic flow for crossroads, the fuzzy controller for the delay time of traffic lights was constructed by the theory of fuzzy.

基于对道路交叉路口车流量数据进行采集和统计分析，运用模糊理论构建了交通灯信号延时模糊控制器。

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In order to smooth the air traffic flow, the delay time and new schedules of flight are obtained through solving the numerical examples.

然后对模型进行了具体的数例求解，得到航班的延迟时间和新的航班时刻，达到了平滑交通流量的目的。

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Then typical uncontrolled intersections of Harbin are surveyed and the impact of traffic volume, flow structure, vehicle composition on delay is analyzed.

对哈尔滨市典型的无控制交叉口进行了调查，分析了交通量、流向构成、车种构成等因素对延误的影响。

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