Signal control system and signal control method based on traffic simulation

A technology of signal control and traffic simulation, which is applied in traffic control systems, road vehicle traffic control systems, traffic signal control, etc., can solve the problems of low efficiency and high cost, and achieve high accuracy, high traffic capacity, and increased The effect of connectivity

Active Publication Date: 2013-12-18
吴建平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is that in the prior art, detectors need to be installed at each crossing, resulting in huge cost and low efficiency, so as to provide a traffic simulation-based traffic simulation method that can reduce the number of detectors by half and improve efficiency. Signal control system and method for

Method used

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  • Signal control system and signal control method based on traffic simulation
  • Signal control system and signal control method based on traffic simulation

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Experimental program
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Effect test

Embodiment 1

[0038] The traffic simulation-based signal control system and method of the present invention include a data acquisition module, a simulation and prediction fusion module, and an intelligent traffic signal light control module, such as figure 1 As shown; the data acquisition module includes traffic detectors arranged at traffic intersections at intervals, and is used to collect traffic data at intersections where traffic detectors are set as basic traffic data; simulation and prediction fusion module: includes analysis unit, simulation unit and prediction unit, the analysis unit is connected with the data acquisition module, receives the basic traffic data of the previous intersection collected by the acquisition module, and integrates and counts the detected real-time data, so as to obtain the traffic flow information of the previous intersection; the simulation unit A simulation model is provided in the middle, and the traffic flow information of the previous intersection is in...

Embodiment 2

[0042] On the basis of implementing 1, the simulation unit preferably includes FLOWSIM simulation software, the road simulation model of the crossing is preset in the FLOWSIM software, and according to the traffic information of the last crossing obtained as the traffic flow in the road simulation model parameters, and then simulate the running conditions of the vehicles, establish the car-following model and the lane-changing model based on fuzzy mathematical principles, simulate the real intersection motor vehicle running conditions in the computer, and obtain the simulated traffic data of the current intersection.

[0043] The full English name of the FLOWSIM simulation software is: Fuzzy Logic based Road Way Traffic Simulation Model. Its theoretical basis is a set of micro-traffic simulation models based on fuzzy mathematics theory established by the Transport Research Institute of the University of Southampton in the United Kingdom. Car-following models, lane-changing mode...

Embodiment 3

[0047] On the basis of embodiment 1, a traffic guidance module is also included, and the traffic guidance module carries out traffic guidance to nearby intersection vehicles by the data obtained by the intelligent traffic signal light control module, and preferably adopts the GSM mobile phone network to send traffic guidance to surrounding users information, and send traffic information to surrounding users in a more real-time and efficient manner, which can coordinate road conditions as a whole and avoid road congestion.

[0048] As other convertible implementations, the traffic guidance module can also send traffic guidance information to users through radio stations, CDMA2000 communication technology, WCDMA communication technology, TD-SCDMA communication technology, WIMAX communication technology, and road condition display screens.

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Abstract

The invention relates to a signal control system and signal control method based on traffic simulation. The signal control system comprises a data acquisition module, a simulation and forecast merging module, an intelligent traffic signal lamp control module and a traffic guidance module. The data acquired by a last intersection acquisition module are sent to the simulation and forecast merging module, the traffic flow data of a current intersection and the data acquired at the last intersection are sent to the intelligent traffic signal lamp control module to carry out self-adaptation traffic control, accordingly, a detector set at the current intersection is replaced, half detectors in a road section can be replaced and removed, the purchasing and maintaining cost are greatly saved, the intersections of upstream and downstream are corelated, the signal timing dial is uniformly coordinated and adjusted, the intercommunication of a road network is enhanced, a scheme capable of improving the traffic capacity of the road section can be designed, and the problem of traffic jam in cities at present can be relieved.

Description

technical field [0001] The invention belongs to the technical field of traffic signal control and traffic signal simulation, in particular to a traffic simulation-based signal control system and method. Background technique [0002] Urban traffic signal control achieves the purpose of improving road capacity, road traffic safety and road utilization rate through the regulation of traffic flow, allocation and induction of right of way. Its essence is to improve the quality of traffic flow, make better use of existing infrastructure, alleviate traffic congestion, and improve the speed and comfort of traffic flow. [0003] The existing traffic control systems can be divided into three types: timing control, induction control and adaptive control. Among them, adaptive control refers to automatically adjusting the signal control parameters according to the dynamic and random changes of traffic flow in a trunk line or an area, so that the control system can automatically adapt to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/08G08G1/087
Inventor 吴建平彭德品周杨贾宇涵
Owner 吴建平
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