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基于遗传算法的停车约束下城市路网承载力分析模型
Study on parking-restricted urban network carrying capacity based on genetic algorithm
【摘要】 针对动静交通不平衡的情况,分析了停车容量约束下的路网承载力。建立了停车约束下路网容量与起止点(OD)分布优化的双层优化模型,通过该模型可对路网容量与OD分布同时进行优化,从而可得停车约束下的路网承载力。利用遗传算法求解,通过算例分析验证了模型的有效性。
【Abstract】 According to the imbalance between the dynamic and static traffic,the urban road network carrying capacity restricted by the parking capacity was analyzed.An optimization model of the road network carrying capacity and the Origin-Destination(OD)distribution was established which could optimize the road network carrying capacity and the OD distribution simultaneously.The parking-restricted network carrying capacity could be obtained,then genetic algorithm was applied and a numerical test was used to verify the effectiveness of the model.The test draws some conclusions that can be helpful for the urban traffic planning and management.
【Key words】 road network carrying capacity; Origin-Destination(OD)distribution; genetic algorithm; optimization;
- 【文献出处】 计算机应用 ,Journal of Computer Applications , 编辑部邮箱 ,2008年04期
- 【分类号】U495
- 【被引频次】17
- 【下载频次】370