Social force-based intersection crossing type construction area traffic flow model establishing method

Abstract

The invention discloses a social force-based intersection crossing type construction area traffic flow model establishing method. The method comprises the following steps of: 1, establishing a signalized intersection construction area traffic flow model; 2, carrying out data acquisition on a signalized intersection construction area; 3, building a simulation platform to simulate a real construction area traffic flow; 4, calibrating a signalized intersection construction area traffic flow mode parameter by utilizing the data acquired in the step 2; and 5, verifying the signalized intersection construction area traffic flow model by utilizing the data acquired in the step 2 and the simulation result. According to the method, the method is capable of better reflecting the heterogeneity of traffic flows. Compared with traditional micro traffic flow models, the social force-based model is more suitable for traffic flows without lane division. According to the method, an existing social force model is improved firstly, then the new model is calibrated, and the calibrated model is utilized to simulate and analyze traffic flows.

Description

technical field [0001] The invention relates to a method for establishing a traffic flow model in a cross-span construction area at an intersection based on social force. Background technique [0002] In recent years, the country has vigorously built new transportation facilities, and constructions on expressways and urban trunk lines are frequent. Especially on urban roads, there are extensive construction areas at intersections. The setting of construction areas reduces the traffic efficiency of vehicles at signalized intersections, causing a large number of queues and increasing vehicle energy consumption and exhaust emissions, which has caused serious pollution to the atmosphere. . Due to the obvious heterogeneity of vehicles on urban roads and the change of road characteristics after setting up construction zones, it is difficult to model traffic flow and study emissions. [0003] Although a lot of research has been done on construction zones, most studies focus on ex...

AI Technical Summary

Problems solved by technology

In addition, intersections with construction areas have the characteristics of no lane division and irregular driving boundaries. Some traditional traffic flow models are not suitable for such complex traffic scenarios.

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