弹性需求下的接运公交网络设计  

Feeder bus network design under elastic demand

作　　者：孙杨[1] 宋瑞[1] 何世伟[1] 

机构地区：[1]北京交通大学交通运输学院,北京100044

出　　处：《吉林大学学报（工学版）》2011年第2期349-354,共6页Journal of Jilin University:Engineering and Technology Edition

基　　金：'863'国家高技术研究发展计划项目(2006AA11Z203);霍英东基金项目(104007);北京交通大学重点基金项目(2006XZ004)

摘　　要：针对接运公交需求随着接运公交网络的改变而发生变化的情况,研究了弹性需求下的接运公交网络设计问题。在具体描述此问题的基础上,给出了设计流程。引入Logit模型分析乘客对接运交通方式的选择行为,以接运公交乘客量最大化、乘客成本最小化、运营成本最小化为目标,建立了数学模型,选用遗传算法求解。算例对可用车队大小进行了灵敏度分析,验证了模型和算法的有效性。结果表明:应同时优化接运公交线路和时刻表,并根据实际需求考虑可用车队大小。Considering the feeder bus demand varies with the progress of feeder bus network, the feeder bus network design problem under elastic demand was investigated and its design flow chart was presented. The Logic model was introduced to analyze the selection behavior of the passenger on feeder bus traffic, a mathematical model was proposed to take the maximization of the number of feeder bus passengers and the minimization of the passenger fares as the targets. The genetic algorithm was used to solve the model. A case example gave the sensitivity analysis on the available fleet size, and demonstrated the validity of the proposed model and algorithm. The results show that the feeder bus route and timetable should be optimized simultaneously, and the available fleet size should be determined based on actual need.

关 键 词：交通运输系统工程 接运公交 网络设计 弹性需求 遗传算法 

分 类 号：U491[交通运输工程—交通运输规划与管理]