摘要
随机平衡分配模型与基于效用理论的Logit分配模型是两种有效的非平衡交通分配模型,二者具有等价性,本文将Logit模型替代常用的随机平衡分配模型应用于具有多级选择的离散型网络平衡设计模型中,构建了这类网络平衡设计问题的新模型;模型求解中,上层模型采用带自适应正态变异因子的粒子群算法,而下层问题直接利用Logit模型求解。仿真结果表明该模型与算法是有效的,适合在大型路网上应用。
Stochastic equilibrium assignment model and Logit model based on utility theory are two effective and equivalent non-equilibrium traffic assignment models. Logit model can be applied to multilevel choice descrete network equilibrium design by replacing the common stochastic equilibrium model,based on which a novel model for this network design problem is introduced. The upper model is solved by PSO with adaptive normal mutation operator and lower model by the Logit model. Simulation demonstrates that this model and algorithm are effective and suitable for applying to large scale road network.
出处
《系统工程》
CSCD
北大核心
2008年第4期83-87,共5页
Systems Engineering
基金
国家自然科学基金资助项目(70771079)
渭南师范学院人才专项基金资助项目(07YkZ007)
