弹性需求和多用户随机平衡下的连续网络设计  

Continuous Network Design under Elastic Demand and Stochastic Multiple User Equilibrium

作　　者：卿力[1] 郁宇卫[1] 涂茜[1] 

机构地区：[1]中南大学,湖南长沙410075

出　　处：《广东交通职业技术学院学报》2009年第1期10-13,共4页Journal of Guangdong Communication Polytechnic

摘　　要：连续平衡网络设计问题是在连续决策变量的条件下,寻找最优的用于道路网络中某些路段扩建的投资决策方案。文中从代表性消费者理论出发,建立了该问题的基于弹性需求和多用户类型随机用户平衡的双层规划模型,并考虑了路段能力约束。基于双层模型求解的复杂性,设计了基于混沌优化方法的启发式算法,实例计算结果表明该模型与算法是有效的。Contiuous network design is about how to find out the optimal investment programme on road network extention under the assumption of continous variable.In this paper,from the theory of consumer representation,a bilevel programming model based on elastic demand and stochastic multiple user equilibrium and capacity constraint is proposed to model the continuous equilibrium network design problem.Because of complex property,a heuristic algorithm which is based on chaos optimization algorithm is proposed,and a numerical example is given.

关 键 词：弹性需求 多用户类型 随机用户平衡 路段能力约束 混沌优化算法 

分 类 号：U411[交通运输工程—道路与铁道工程]