Synergic dredging control method for expressway sudden dangerous goods transportation accident

Abstract

The invention discloses a synergic dredging control method for an expressway sudden dangerous goods transportation accident, which comprises the following steps: S1, determining the traffic capabilityof the scene of the incident; S2, predicting duration time of the accident; S3, determining an emergency dredging synergic control range, wherein the control range comprises an emergency no-entry range, an emergency control range and an emergency dredging range; S4, building an emergency dredging synergic control model in the control range; S5, formulating a corresponding signalized intersectioncontrol scheme according to a solving result of the emergency dredging system control model. The method provided by the invention is adapted to the traffic stream characteristics and a road network structure of the expressway, can play a role of generating the synergic dredging control scheme rapidly and ensuring smooth operation of the expressway and the surrounding road network, and has great promotion value.

Description

technical field [0001] The present invention relates to the field of dangerous goods transportation management, in particular to a coordinated dredging control method for sudden dangerous goods transportation accidents on highways. Background technique [0002] Expressway traffic accidents and the resulting traffic congestion have become problems that cannot be ignored in the operation of the transportation system, especially the transportation traffic accidents of dangerous goods, which have a wider scope of influence and a greater possibility of secondary hazards. [0003] At present, most of the existing diversion control models or diversion control methods are aimed at sudden traffic incidents on urban roads. Unlike urban road networks, the highway network structure has the characteristics of fewer entrances and exits, separated driving, and fully enclosed road sections. The method cannot be fully applied to the dredging under sudden traffic accidents on the expressway. ...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the existing diversion control models or diversion control methods are aimed at sudden traffic incidents on urban roads. Unlike urban road networks, the highway network structure has the characteristics of fewer entrances and exits, separated driving, and fully enclosed road sections. The method cannot be fully applied to the dredging under sudden traffic accidents on the expressway

Moreover, some existing traffic guidance methods basically do not consider the special accident situation of dangerous goods transportation, and the control model of the establishment basically revolves around one or more factors such as the minimum total transportation network cost, the minimum total travel time, or better accessibility. A diversion target, the model is complex, the solution is slow, the generation of the dredging plan is slow and the efficiency is low, and the processing of expressway traffic accidents has a very urgent time requirement, so a more efficient method for generating coordinated dredging control should be needed.

Images