| 浮动车系统地图的匹配精度 |
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| 引用本文： | 刘宇环,姚恩建,李欣,李建军,钱越.浮动车系统地图的匹配精度[J].公路交通科技,2011(Z1). |
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| 作者姓名： | 刘宇环 姚恩建 李欣 李建军 钱越 |
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| 作者单位： | 北京交通大学城市交通复杂系统理论与技术教育部重点实验室;北京世纪高通科技有限公司;国家智能交通系统工程技术研究中心; |
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| 摘 要： | 从地图匹配精度指标出发,针对浮动车系统的配置计划中的浮动车系统信息采集周期这一重要参数进行研究。分析浮动车系统数据特点,说明浮动车系统采集周期对浮动车服务质量的重要性;分析城市路网条件下精度随不同采集周期的变化情况,建立基于城市路网特征描述变量和采集周期等特征向量的地图匹配精度模型。模型由于包含城市路网特征描述向量,具有较高的移植性,应用此模型可以得到期望精度下采集周期的预测值,为浮动车系统的配置计划提供参考依据。
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| 关 键 词： | 智能交通 地图匹配精度 多元回归分析 浮动车系统 路网特征 |
Map-matching Accuracy of Probe Vehicle System |
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| LIU Yuhuan,YAO Enjian,LI Xin,LI Jianjun,QIAN Yue.Map-matching Accuracy of Probe Vehicle System[J].Journal of Highway and Transportation Research and Development,2011(Z1). |
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| Authors: | LIU Yuhuan YAO Enjian LI Xin LI Jianjun QIAN Yue |
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| Institution: | LIU Yuhuan1,YAO Enjian1,LI Xin1,LI Jianjun2,QIAN Yue3(1.Key Laboratory for Urban Transportation Complex Systems Theory and Technology of MOE,Beijing Jiaotong University,Beijing 100044,China,2.CenNavi Technologies Co.,Ltd.,Beijing 100028,3.China National Center of ITS Engineering and Technology,Beijing 100088,China) |
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| Abstract: | The necessary information collection cycle for probe vehicle system in the configuration scheme is analyzed based on the map-matching accuracy indicator.First,the importance of information collection cycle for probe vehicle system's service quality is indicated based on the data feature of probe vehicle system.Then,the map-matching accuracy varying with collection cycle in urban road network is analyzed.Finally,a map-matching accuracy model including urban road network characteristics and information collec... |
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| Keywords: | intelligent transport map-matching accuracy multiple regression analysis probe vehicle system road network characteristic |
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