长沙理工大学学报（自然科学版）2016，Vol.13Issue(4)：23-30,8.
城市客运交通供需结构非均衡SD模型
System dynamics model of urban traffic supply and demand disequilibrium in structure
摘要
Abstract
In view of the complexity and dynamics of urban transportation system,the method of system dynamics has been taken to build model (SD model for simple)for it. Based on the identification of the subj ect research module,the system boundary is deter-mined and the causal relationship diagram is drawn.According to the feedback causality of effecting factors,we draw the SD flow diagram and choose the effective functions to make dynamic equations.Analysis of impact factors are conducted according to the demand and supply of urban traffic modes.Simulation analysis was carried out on VENSIM with the traffic development status of sample city,and the formation mechanism and growing trend of different traffic modes’disequilibrium was explored essentially.The results proved that the supply and the demand of different modes of transport is remain relatively balanced in the dynamic changes of the disequilibrium.关键词
城市交通/交通方式/结构非均衡/系统动力学/VENSIMKey words
urban traffic/transportation mode/structure disequilibrium/system dynamics/VENSIM分类
交通工程引用本文复制引用
黄中祥,谢雯娉,许泽昭..城市客运交通供需结构非均衡SD模型[J].长沙理工大学学报（自然科学版）,2016,13(4):23-30,8.基金项目
国家自然科学基金重点资助项目(51338002) （51338002）
湖南省研究生科研创新项目(CX2015B342) （CX2015B342）
