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Video detector is used widely in modern city to monitor the traffic situation. But the data from detectors is usually not fully used. In this paper, we adopt data mining method to deal with these data in order to analyze the traffic flow character and estimate OD matrix more accurately. On the basis of study data character carefully, we discuss the traffic flow feature from 3 parts: spatial, temporal...
This paper basically studies on Yangxi road (including Shuxi road and Xixin road), Chengdu city. It creatively designs an index plate of the detector and electric power. Then, the traffic survey is taken by using microwave vehicle detector to collect data of flow (Q), speed (V) and density (K). After that, it draws the diagram of traffic flow time-space and the relation curve of Q, V and K. Finally,...
The paper deals with the application of the state and parameter estimation techniques in the area of traffic control. The most important properties of the traffic system are described and the model of the traffic system, based on the traffic flow conservation principle, is presented. Various estimation and identification techniques are briefly introduced and applied for three types of roads and micro-regions,...
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