混合交通弹性需求均衡分配方法

A Mixed UE Assignment Method for Chinese Urban Traffic Networks Conditional on Elastic Demands

探讨了适合中国城市道路交通特点的混合交通弹性需求分配方法，基于混合交通内部的作用机制，建立了机动车与非机动车ＯＤ分布未知条件下的混合交通分布与ＵＥ（Ｕｓｅｒ＇ｓＥ－ｑｕｉｌｉｂｒｉｕｍ）均衡分配组合模型及算法，该方法既有利于缩短交通需求预测的步骤。

A wardrop UE(User's Equilibrium) assignment problem for Chinese urban mixed traffic networks conditional on Elastic Demands is discussed in this paper. Based on the internal interacting mechanism of mixed traffic flows, we develop a combined trip distribution and assignment model and its algorithm under unknown vehicle OD matrix and bicycle OD matrix. This method can simplify the trip demand analysis in city traffic planning and improve its forecasting accuracy. Key wrods: mixed traffic, elastic demand, combined model, UE assignemnt