Signal control evaluation method for arterial coordinated control intersections based on floating cars

Abstract

The invention provides a signal control evaluation method of a trunk line coordination control intersection based on a floating vehicle. The method comprises the steps that the latitude and longitudecoordinates and the satellite positioning electronic map data of the trunk line coordination control intersection and the track area of each floating vehicle are acquired; segment processing is performed on the route distance from the start position to the end position of the floating vehicles, the average speed of the floating vehicle track points in each segment of distance is calculated in a time sharing way, the space-time distribution diagram of speed of the floating vehicles is drawn, and the congestion position and time of the trunk line coordination control intersection are evaluated according to the space-time distribution diagram of speed; and the evaluation index of the trunk line coordination control intersection is calculated according to the track data of the floating vehicles so as to evaluate the signal control effect of the trunk line coordination control intersection. Compared with artificial research, the method has the advantages of saving manpower and material resources, and the recurrent congestion period, the congestion distance and the dissipation time of the trunk line coordination control intersection can be visually judged through the space-time distribution diagram of speed and thus the method has practicability and great application prospect.

Description

technical field [0001] The invention relates to the technical field of traffic control, in particular to a signal control evaluation method for coordinated control of an arterial line intersection based on a floating vehicle. Background technique [0002] With the rapid development of floating car technology, the field of intelligent transportation is increasingly inseparable from the support and improvement of floating car data. Because the floating car technology has the characteristics of accuracy, real-time, and stability, it is widely used in various aspects such as signal control, flow monitoring, and congestion detection of urban traffic. However, the evaluation method of arterial coordinated control intersections based on floating cars is not yet mature [0003] At present, the arterial coordinated control intersection evaluation methods in the prior art mainly use indicators such as parking times, total parking time, and average speed, without considering other ind...

AI Technical Summary

Problems solved by technology

However, the evaluation method of arterial coordinated control intersections based on floating cars is not yet mature

[0003] At present, the arterial coordinated control intersection evaluation methods in the prior art mainly use indicators such as parking times, total parking time, and average speed, without considering other indicators, such as delay time and traffic volume, etc.

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