基于虚拟节点道路网络模型的设计及实现

朱庄生,王庆,万德钧

中国工程科学 ›› 2009, Vol. 11 ›› Issue (8) : 83 -87.

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中国工程科学 ›› 2009, Vol. 11 ›› Issue (8) : 83 -87.

基于虚拟节点道路网络模型的设计及实现

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Study on road network model based on virtual node joint

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摘要

利用传统的基于节点连接的道路网络模型来表达真实世界中的道路网络,其存在的缺陷越来越突出,大大降低了导航系统的鲁棒性。为了消除这些缺陷,首次提出一个新的道路网络模型,即基于虚拟节点连接的道路网络模型,其虚拟节点是汇交路段的各个端点所围成的区域,具有真实道路路口的形状,与传统模型相比,该模型更能表达真实世界道路网络中的交通流,所以它能更好地满足地图匹配理论要求。另外,该模型能很好的表达真实道路路口参数,所以它在交通规划,交通管理和交通流模拟中都有着十分广阔的应用前景。

Abstract

The road network in the real world has been showed by the road network model based on node joint, which shows more and more limitations and greatly weakens the control of navigation system. It is the first time that a novel road network model,that is,the road network model based on virtual node joint,was presented in the paper to eliminate the limitations. The novel model adops virtual node to show multi-road converging area,and the virtual node is an area which is made up of converging roads first or last point,and has the same shape as road crossing. The novel model has better of image the traffic flow on the road network than the old model based on node joint,and satisfies the demand of the map matching theory better. Moreover,the novel model can be applied to traffic planning,traffic management planning,and traffic flow simulation.

关键词

交通工程 / 虚拟节点 / 道路网络模型 / 地图匹配 / 交通规划

Key words

traffic engineering / virtual node / road network model / map matching / transportation planning

Author summay

朱庄生(1972-),男,安徽枞阳县人,北京航空航天大学讲师,研究方向为陆地移动目标导航

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朱庄生,王庆,万德钧 基于虚拟节点道路网络模型的设计及实现[J]. 中国工程科学, 2009, 11(8): 83-87 DOI:

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