基于宏观交通流量模型的公路养护策略优化研究

Studies on Optimization of Highway Maintenance Strategy Based on Macro Traffic Flow Model

提出基于宏观交通流量模型的公路养护策略优化方法。公路养护模型主要基于宏观交通流量模型MTFM构建,进行公路交通状况模拟时主要统筹考虑工区及邻近公路的影响,施工区对交通流的影响在整个路网层级予以考虑。此外,公路养护模型采用遗传算法进行养护策略优化,采用此算法可生成多种公路养护策略并求出最优解,从而可减少公路养护作业对路网中交通的影响。

This paper suggested highway maintenance strategy based on macro traffic flow model.The highway maintenance model was set up based on macro traffic flow model（MTFM）.During highway traffic status simulation,the construction site and influence to adjacent roads were major concerns,influence to traffic flow by construction site will be considered in whole road network levels.Apart from this,the highway maintenance model is optimized by genetic algorithm,which may generate multiple highway maintenance strategies and the optimum solution would be found,so to minimize influence on road network traffic by highway maintenance operation.