Traffic flow three parameter real time prediction method taking regard of space-time correlation
A space-time correlation and real-time forecasting technology, applied in traffic flow detection, forecasting, data processing applications, etc., to achieve the effect of real-time application
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[0060]In this embodiment, the data used are the traffic flow rate (marked as ""), occupancy rate (marked as ""), and section speed (marked as "v") on a certain expressway with a time interval of 5 minutes. Continuous time series data of three basic parameters of traffic flow, the data collection time range is from May 8, 2006 to May 14, 2006. Among them, the data from May 8th to May 9th are used for forecasting model construction and parameter estimation, and the data from May 10th to May 14th are used for forecasting performance evaluation.
[0061] In this embodiment, the three sections are numbered as S 1 , S 2 , S 3 , where the section S 2 For the target research section, S 1 is the upstream section of the target study section, S 3 A section downstream of the target study section. The three-parameter time series data of traffic flow in three sections are in: S t 1 = ( ...
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