US 12,033,501 B2
Methods for traffic scheduling at intersections in smart cities and Internet of Things (IoT) systems thereof
Zehua Shao, Chengdu (CN); Yong Li, Chengdu (CN); Yaqiang Quan, Chengdu (CN); Bin Liu, Chengdu (CN); and Zhihui Wen, Chengdu (CN)
Assigned to CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD., Chengdu (CN)
Filed by CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD., Sichuan (CN)
Filed on Dec. 22, 2022, as Appl. No. 18/145,026.
Application 18/145,026 is a continuation of application No. 17/660,024, filed on Apr. 21, 2022, granted, now 11,587,436.
Claims priority of application No. 202210321872.2 (CN), filed on Mar. 29, 2022.
Prior Publication US 2023/0131858 A1, Apr. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G08G 1/01 (2006.01); G08G 1/052 (2006.01)
CPC G08G 1/0145 (2013.01) [G08G 1/0133 (2013.01); G08G 1/052 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for traffic scheduling at an intersection in a smart city, executed by a traffic scheduling strategy control management platform, comprising:
determining, based on a road monitoring video of the intersection in a preset area before a current time, a first average speed of each vehicle among a plurality of vehicles on one or more roads connected with the intersection before the current time;
determining a number of first vehicles, wherein the first average speed of each first vehicle is less than a first preset threshold;
obtaining the road monitoring video of the intersection at the current time when the number of the first vehicles is greater than a second preset threshold;
obtaining, based on the road monitoring video at the current time, a second average speed of each vehicle among the plurality of vehicles at the current time;
determining a number of second vehicles, wherein the second average speed of each second vehicle is less than the first preset threshold;
determining whether traffic congestion is likely to occur at the intersection during a next time period based on a comparison result obtained by comparing the number of the first vehicles with the number of second vehicles;
in response to determining that the traffic congestion is likely to occur at the intersection during the next time period, determining whether a traffic scheduling strategy is needed to be switched based on traffic data information of the intersection during the next time period; and
in response to determining that the traffic scheduling strategy is needed to be switched, switching a first traffic scheduling strategy to a second traffic scheduling strategy.