面向道路网的浮动车最小覆盖率模型

Road Network-Oriented Minimum Coverage Model for Floating Vehicle

在总结分析现有GPS浮动车的最小覆盖率成果的基础上,引入浮动车出现率和停驶率,并考虑了数据有效率、数据精度、采样时间间隔、浮动车运行速度等因素,对各类型道路的样本需求量进行数据融合,建立了面向道路网的浮动车最小覆盖率计算模型,并进行实验分析.实验结果验证了模型的合理性.

In order to apply the technology of GPS probe vehicle traffic information, determining the minimum probe coverage on the road network is neeessary. On the basis of analyzing the existing products, this paper takes into account the appearing rate, stop rate, data validity, data precision, sampling time interval, probe vehicle speed and so on. The model of minimum probe coverage on road network is established by the combination of sample sizes of different road types. The result shows that the model is reasonable.