Green wave coordination control method and device for on-road left-turn line tramcar

Abstract

The invention discloses a green wave coordination control method and device for an on-road left-turn line tramcar. According to the method, a mixed integer linear programming model taking the maximumweighted sum of the two-way green wave bandwidths of social vehicles as an optimization target is designed; the constraint conditions comprise social vehicle green wave system constraints, tramcar green wave system constraints, interaction constraints between the two green wave systems and signal period duration constraints; and an optimal solution of social vehicle green wave bandwidth is obtained on the basis of preferentially satisfying tramcar green wave passage of the left-turn line. According to the invention, green wave optimization can be carried out on bidirectional social vehicles and tramcars, the traffic efficiency of the tramcars and the social vehicles on the left-turn line is considered, and the parking frequency and the delay level of the tramcars and the social vehicles atthe intersection are effectively reduced.

Description

technical field [0001] The invention relates to the field of road traffic signal control in the field of intelligent transportation, in particular to a green wave coordinated control method and device for streetcars on left-turn lines in the middle of the road, on the basis of meeting the green-wave bandwidth requirements of trams on left-turn lines, Maximize the green wave bandwidth of social vehicles. Background technique [0002] With the rise of the concept of green travel, modern trams that save energy, improve energy efficiency, reduce pollution, and take efficiency into account have become the backbone of public transportation in small and medium-sized cities. Modern trams usually use ground-laid tracks in the middle of the road or on the side of the road. There are traffic conflicts between trams in the middle of the road and motor vehicles at level intersections, and the traffic organization method is relatively complicated. If there is no reasonable and effective s...

AI Technical Summary

Problems solved by technology

Modern trams usually use ground-laid tracks in the middle of the road or on the side of the road. There are traffic conflicts between trams in the middle of the road and motor vehicles at level intersections, and the traffic organization method is relatively complicated. If there is no reasonable and effective signal control scheme, Not only will it lead to increased delays of trams and social vehicles at intersections, reduced traffic efficiency, but also easily lead to traffic accidents

[0003] At present, the research objects of domestic and foreign scholars on green wave are mainly social vehicles and conventional public transport vehicles. There are two main deficiencies in the green wave model including trams. One aspect is the lack of a comprehensive consideration of trams and social vehicles. The second aspect of the green wave model is that among the few green wave models that comprehensively consider trams and social vehicles, they can only solve the priority of trams on straight lines, and cannot provide for trams when they turn at intersections. It provides a green wave, which increases the level of delays for trams and reduces the efficiency of tram traffic

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