多路公交优先交叉口配时优化的双层规划模型
发布时间：2019-01-23 17:52
【摘要】：公交优先感应信号控制会对非优先相位车辆产生不利影响,为了均衡非优先相位的损失,降低交叉口及下游公交站台的乘客延误,建立了多路公交优先交叉口配时优化的双层规划模型。上层模型描述了基于交叉口延误以及下游公交站台乘客排队延误的优先策略时长优化,下层模型在计算交叉口停驶-加速延误的基础上描述了各相位绿时损失的均衡过程,以优先策略时长为决策变量,将优先策略的影响引入到下层模型。利用Gauss-Seidel迭代法设计了求解算法,并进行了实例分析。分析结果表明:配时优化后,周期内交叉口和下游站台乘客的总延误减少了23 576.12s,同时交叉口车辆停驶-加速延误减少了62.87s,双层规划模型在公交优先的前提下保障了交叉口的整体效益。
[Abstract]:In order to balance the loss of non-priority phase and reduce the passenger delay at intersections and downstream bus terminals, the bus priority signal control will have a negative impact on non-priority phase vehicles. A bilevel programming model of multi-bus priority intersection timing optimization is established. The upper model describes the time optimization of priority strategy based on intersection delay and passenger queue delay at downstream bus stop, and the lower model describes the equilibrium process of green time loss of each phase on the basis of calculation of stop and acceleration delay at intersection. The influence of priority strategy is introduced to the lower model with the time of priority strategy as decision variable. The Gauss-Seidel iterative method is used to design the algorithm and an example is given. The results show that the total delay of intersections and downstream platform passengers is reduced by 23,576.12s, and the vehicle stop-acceleration delay at intersections is reduced by 62.87s after timing optimization. The bilevel programming model ensures the overall benefit of intersections on the premise of bus priority.
【作者单位】： 北京交通大学交通运输学院;
【基金】：国家自然科学基金项目(60870014) 高等学校博士学科点专项科研基金项目(20130009110001)
【分类号】：U491.23
[Abstract]:In order to balance the loss of non-priority phase and reduce the passenger delay at intersections and downstream bus terminals, the bus priority signal control will have a negative impact on non-priority phase vehicles. A bilevel programming model of multi-bus priority intersection timing optimization is established. The upper model describes the time optimization of priority strategy based on intersection delay and passenger queue delay at downstream bus stop, and the lower model describes the equilibrium process of green time loss of each phase on the basis of calculation of stop and acceleration delay at intersection. The influence of priority strategy is introduced to the lower model with the time of priority strategy as decision variable. The Gauss-Seidel iterative method is used to design the algorithm and an example is given. The results show that the total delay of intersections and downstream platform passengers is reduced by 23,576.12s, and the vehicle stop-acceleration delay at intersections is reduced by 62.87s after timing optimization. The bilevel programming model ensures the overall benefit of intersections on the premise of bus priority.
【作者单位】： 北京交通大学交通运输学院;
【基金】：国家自然科学基金项目(60870014) 高等学校博士学科点专项科研基金项目(20130009110001)
【分类号】：U491.23
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