基于DTA的OD估计方法的交通检测器优化布置模型研究  

Study on Optimal Location Model of the Traffic Detectors with DTA Based OD Estimation Method

作　　者：于德新[1] 杨兆升[1] 刘雪杰[1] 

机构地区：[1]吉林大学交通学院,吉林长春130022

出　　处：《公路交通科技》2006年第12期111-117,132,共8页Journal of Highway and Transportation Research and Development

基　　金：国家自然科学基金资助项目(60474068);吉林大学"985工程"资助项目;科技部"863"计划资助项目;博士点基金资助项目(20040183035)

摘　　要：论文在探讨了动态交通分配和动态OD估计背景下的交通检测器优化问题的基础上,提出了基于DTA的动态OD估计方法的交通检测器布置原则;从预算,对路网中交通流量信息的覆盖程度,对关键路段的检测、对重复检测器的剔除等方面对路网交通检测方案进行约束,建立了交通检测器优化布置模型;最后将遗传算法用于交通检测器优化布置模型的求解,证明了基于DTA的动态OD估计方法的交通检测器优化布置模型的有效性。论文方法概念清楚、操作简单,是交通检测器优化布置的一种可行方法。On the basis of the discussion of dynamic traffic assignment and traffic detector optimization by use of dynamic OD estimation, the traffic detector location principle with the dynamic OD estimation method based on dynamic traffic assignment are brought forward. Under the restriction of the budget, the coverage degree of the traffic flow information of the road network, the detection of key road section, the elimination of duplicate detector an optimal location model of the traffic detectors is built up. Then, the genetic algorithm to solve the optimal location model of the traffic detector is used, and the effectiveness of the optimal location model of the traffic detector based on the dynamic OD estimation method of DTA is verified.The method is explicit and easy to operate, and is a feasible means of the optimal location of the traffic detectors.

关 键 词：动态交通分配 动态OD估计 交通检测器 优化布置 遗传算法 

分 类 号：U491.112[交通运输工程—交通运输规划与管理]