含目的地选择的城市交通网络非稳定均衡分析

为了完善现有的城市交通流均衡分配理论,研究了城市交通网络中的非稳定均衡状态。利用添加虚拟节点和虚拟路段的超级网络建模方法,将出行者的出行与否决策、目的地选择决策以及出行路径选取决策归入一个抽象的网络中进行研究,利用变分不等式理论将网络的非稳定均衡问题转化为易于处理的一般交通流分配问题。研究结果表明:只有结合出行者的出行与否决策与目的地选择决策,才能使交通流分配的结果更符合现实;网络非稳定均衡状态确实存在,出行者出行与否的最高费用标准越高,实际的网络出行流越大。

Unsteady Equilibrium on Urban Traffic Network with Location Choice

The unsteady equilibrium state of traffic network has been studied in this paper to improve the current theory of urban traffic flow equilibrium.By adding virtual nodes and virtual links to actual network,that is,the way of building super-network,decision-makings,such as traveling or not and where to go and which path to choose,were put in an abstract network.Then through using variational inequality in a single network,the unsteady equilibrium issue of traffic network can be transformed to the general traf...