高速公路交通运行状态分类方法研究  

Research on methods of highway traffic state classification

作　　者：徐婷[1] 陈志建[1] 程琳[1] 

机构地区：[1]东南大学交通学院,南京210096

出　　处：《中国科技论文在线》2010年第10期743-748,共6页

基　　金：国家高技术研究发展计划(863计划)项目(2009AA11Z219)

摘　　要：为了更加细致地了解高速公路交通运行状态,为突发事件的应急处理提供高效、可靠的决策支持,利用高速公路交通流参数的变化规律建立基于支持向量机的高速公路交通运行状态分类模型。以道路服务水平为依据将交通运行状态划分为第Ⅰ类交通状态、第Ⅱ类交通状态、第Ⅲ类交通状态、第Ⅳ类交通状态和第Ⅴ类交通状态,设计分类模型的工作步骤,以I-880数据库为例,采用Matlab软件对所设计的方法进行仿真实验。结果表明,所设计的方法通用性强、有较好的分类效果。To have a good command of the traffic running state on highways and provide reliable efficient decision support in disposing an emergency, a model about traffic state classification on highways is proposed based on support vector machine, considering the variation of the traffic parameters. According to the highway service level, the traffic state is divided into five classes： the traffic state Ⅰ, the traffic state Ⅱ, the traffic state Ⅲ, the traffic state Ⅳ and the traffic state Ⅴ. Design the work steps of the classification model and take data from I-880 databank as an example. The simulation results from Matlab show that the new method is adaptable and efficient.

关 键 词：支持向量机 事件检测 交通状态分类 

分 类 号：U491[交通运输工程—交通运输规划与管理]