交叉口实时信号配时优化模型

The Corresponding Signal Timing Optimization Model of an Intersection

针对典型的多车道双向十字交叉路口,以四相位信号控制为例,在交叉口初始排队长度和车流到达率已知的情况下,建立了以控制周期内路口车辆延误最小为目标,以信号相位绿灯时间和信号周期时长为变量的非线性规划模型。

For a typical two-way intersection with multi-lanes, a nonlinear programming model based on four-phase control is formulated,in which the total delay of all vehicles passing through an intersection within a signal cycle has been derived and the total delay of vehicles over the control cycle is adopted as the control objective and the phase green times and cycle time as the control variables.