关键词: 公共交通, 轴辐式网络, 异质性, 优化模型, 模拟退火算法

Abstract: The problem of local static congestion in public transport is becoming the key factor to improve the efficiency of public transport network. To solve this problem, we change the line “homogeneity” hypothesis, and put forward the hub and spoke network design applied in the field of public traffic. Then based on considering the variable transportation cost per unit,constant cost, hub transfer cost etcetera, we quantify the economies of scale brought about by the trunk bus transportation between hubs. In order to improve the accessibility of public transport network sites,and reduce the transportation cost through the hub layout under multiple constraints,we build a model of hub and spoke public transport network optimization which conform to single distribution, multi hub and hybrid hub and spoke network structure features. Finally, based on the Simulated Annealing,the validity of the model is verified by the example analysis and discussion.

Key words: public transportation, hub and spoke network, heterogeneity, optimization model, simulated annealing