| 服务于高速公路实时容错性评价的车辆检测器布设研究 |
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| 引用本文： | 杨志清,杜晓丽.服务于高速公路实时容错性评价的车辆检测器布设研究[J].公路交通科技,2007(Z1). |
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| 作者姓名： | 杨志清 杜晓丽 |
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| 作者单位： | 同济大学交通运输工程学院，同济大学电子与信息工程学院 上海 201804，上海 201804 |
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| 摘 要： | 车辆检测器采集到的信息的准确度与检测器的空间密度和空间位置有极大的关系,而目前车辆检测器的布设却没有统一的标准。本文以高速公路实时容错性评价模型为基本的分析方法,首先通过道路线形安全评价对高速公路进行路段划分,然后采用仿真手段研究车辆检测器不同布设间距条件下,高速公路实时容错性评价模型对交通事件响应时间的变化规律,最后得到服务于高速公路实时容错性评价的车辆检测器布设方法,并给出各种路段安全等级和交通量条件下的车辆检测器布设间距推荐值。
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| 关 键 词： | 交通工程 布设 实时容错性评价 车辆检测器 仿真 |
Arrangement of Detectors Serving for Freeway Real-time Fault Tolerance Evaluation |
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| YANG Zhi-qing DU Xiao-li.Arrangement of Detectors Serving for Freeway Real-time Fault Tolerance Evaluation[J].Journal of Highway and Transportation Research and Development,2007(Z1). |
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| Authors: | YANG Zhi-qing DU Xiao-li |
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| Institution: | YANG Zhi-qing~1 DU Xiao-li~2 |
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| Abstract: | The veracity of data collected from detectors is closely related to the density and location of detector,while there isn't a uniform standard for detectors arrangement at present.Freeway real-time fault tolerance evaluation model is used as an elementary method in this paper.Firstly,a freeway is divided into segments through road ahgnment safety evaluation method,and then simulation is used to find the relationship between incident respond time and freeway real-time fault tolerance evaluation model with different spacings of detec- tors.Finally,the way of detectors arrangement is obtained,which is served for freeway real-time fault tolerance evaluation,and the recommended detector spacings under all sorts of road segment safety grades and traffic volumes are proposed. |
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| Keywords: | traffic engineering arrangement real-time fault tolerance evaluation detector simulation |
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