多用户多准则多方式下基于超级网络的公交客流均衡分配  

Public transit assignment based on transit supernetwork with multiple users,multiple criteria and multiple transit modes

作　　者：何胜学[1] 金梦宇 He Shengxue;Jin Mengyu(Business School,University of Shanghai for Science&Technology,Shanghai 200093,China)

机构地区：[1]上海理工大学管理学院,上海200093

出　　处：《计算机应用研究》2021年第8期2418-2422,共5页Application Research of Computers

基　　金：国家自然科学基金资助项目(71801153,71871144);上海市自然科学基金资助项目(18ZR1426200)。

摘　　要：针对不同公交出行用户对各种出行指标的偏好差异,建立了整合不同公交出行方式的公交客流网络分配模型。首先,利用超级网络概念对换乘区、加载上网区和离网区的公交出行过程进行网络化描述;其次,基于用户均衡原则建立对应的变分不等式流量分配模型并证明模型的特征映射具有单调性,从而保证后续算法的可行性;然后提出求解上述模型的基于有效路径集逐步生成的投影梯度算法,并在理论上证明了算法的有效性;最后通过数值实验分析验证了新模型和算法的有效性。研究结果可为多种公交方式联合的公交客流分析提供理论与技术支持。In view of the preferences of different user groups for various travel indices of public transit,this paper formulated a corresponding variational inequality model(VIM)of transit assignment that combined multiple transit modes.Firstly,this paper made use of the conception of supernetwork to describe the transit behaviors in transfer zones,upload zones and download zones in a virtual network.Secondly,it presented a transit assignment VIM based on the user equilibrium principle.It proved monotone of the feature mapping of VIM to guarantee the feasibility of the following algorithm.To solve the above VIM,this paper proposed a modified projected gradient method based on gradually generating the effective paths and proved the effectiveness of the new algorithm theoretically.At last,the numerical experiment verified the efficiency of the new model and the algorithm.The research result can provide theoretical and technical support to the analysis of transit flow with multiple modes.

关 键 词：公共交通 交通流分配 超级网络 投影梯度法 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]