The invention discloses a control method for a traffic signal lamp of a crossing. The control method comprises that the jam index of each road of the crossing is obtained, and stored in a crossing road state table; when the jam index is greater than a first threshold, the road is determined to be jammed, and the average value of all jam indexes greater than the first threshold serves as a first jam index of the crossing; the road of the highest jam index serves as a standby road of the crossing, the crossing road state table is looked up to obtain a matched road of the standby road, and the standby road and the matched road serve as a main road; adjacent upstream and downstream crossings in the main road in the jammed crossing are determined, and second and third jam indexes of the adjacent upstream and downstream crossings are obtained; and the jammed crossing, the upstream and downstream crossings and the green light passing time are controlled according to the first, second and third jam indexes as well as the road state table. The method can be used to guide vehicles in the direction of the highest traffic pressure, and effectively alleviate the traffic pressure.
Control method for traffic signal lamp of crossing
2016-02-03
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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