信号控制结合路径选择的新动态交通模型研究

A New Dynamical Traffic Model by Combing Signal Control and Road Choice

为提高路网通行能力,结合已有信号控制和路径选择方法,提出一种为信号控制网络实时计算绿信比的新型动态分配和控制模型。此模型可用于固定信号配时设计,也可用于可预期事件迅速响应的信号预配时,如果计算速度足够快,还可以用于实时信号配时。仿真实验表明,此动态模型在未饱和路网中最多减少行程时间和平均延误分别可达30.28%和29.23%。

In order to improve network capacity,a new dynamical assignment and control model this are proposed,which calculates green time ratio for a signal-controlled network by combining and expanding the existing signal control and road choice method.The model may be used to design fixedtime,it may also be used to pre-prepare timings for rapid execution in case of a predictable incident.If computation speeds are fast enough,the methodmay possibly be used responsively in real-time.The result indicates that the dynamic model in unsaturated road network can reduce travel time and the average delay up to 30.28% and 30.28%respectively.