Traffic low-emission evolution regulation and control method and system

A low-emission, transportation technology, applied in the evolution control method and system field of low-emission transportation, can solve problems such as difficult and accurate modeling, achieve the effect of reducing risks, reducing average vehicle delay and emissions, and improving traffic capacity

Active Publication Date: 2019-07-30
安徽中科龙安科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because there are many influencing factors and there is a nonlinear strong coupling relationship between them, it is difficult to model accurately, so it is challenging to achieve optimal control of low-emission traffic at intersections

Method used

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  • Traffic low-emission evolution regulation and control method and system
  • Traffic low-emission evolution regulation and control method and system
  • Traffic low-emission evolution regulation and control method and system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0022] Such as figure 1 As shown, it is a flow chart of a traffic low emission evolution control method provided by the embodiment of the present invention, which mainly includes the following steps:

[0023] Step 11. According to the geometric shape of the real intersection, road channelization and signal machine, use micro-traffic simulation software to construct a scene including the corresponding virtual intersection and virtual signal machine, at the upstream entrance and exit of each road at the virtual intersection Set up a virtual vehicle detector and generate a specified number of large, medium, and small virtual vehicles on each road.

[0024] Those skilled in the art can understand that the model size of the virtual vehicle can be defined in a conventional manner, for example, the definition index is the size of the vehicle.

[0025] The embodiment of the present invention is implemented based on a simulation platform, and in order to be consistent with real traffi...

Embodiment 2

[0060] Another embodiment of the present invention also provides a traffic low-emission evolution control system, which is mainly used to implement the method described in the first embodiment above, such as image 3 As shown, the system mainly includes:

[0061] The virtual scene construction module 11 is used to construct a scene comprising a corresponding virtual intersection and a virtual signal using micro-traffic simulation software according to the geometry of the actual intersection, road channelization and signal;

[0062] A virtual signal machine 12 is arranged at a predetermined position in the virtual scene for generating virtual traffic signals;

[0063] The virtual vehicle detector 14 is arranged at the upstream entrance and exit of each road in the virtual intersection, and is used to obtain the current queuing status of the roads controlled by each phase, and calculate the average vehicle delay;

[0064] The departure module 13 is used to generate a specified ...

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Abstract

The invention discloses a traffic low-emission evolution regulation and control method and system, and the method comprises the steps: a virtual intersection corresponding to a real intersection is built for intersections with different geometrical shapes and topological structures, wherein the optimization of the low-emission signal control scheme of the traffic is realized based on a microscopicsimulation platform, so that the risk caused by an unreasonable signal scheme is reduced; due to the fact that optimization of the evolution control scheme takes vehicle average delay and traffic emission as comprehensive indexes, multi-objective optimization is achieved, the vehicle average delay and emission can be remarkably reduced after multiple times of learning, and the traffic capacity ofthe intersection is improved. Besides, the system of the invention learns a traffic low-emission optimization control scheme through interaction with the environment, solves the problem that accuratemathematical modeling is difficult to carry out, and is better suitable for different intersections and traffic flow conditions.

Description

technical field [0001] The invention relates to the technical fields of road traffic control and ecological traffic, in particular to an evolution control method and system for low traffic emission. Background technique [0002] Urban road intersections are not only the bottleneck of traffic flow, but also the main area of ​​motor vehicle emissions. According to the statistics of the environmental protection department, motor vehicle exhaust emissions are the main pollution source of the urban atmospheric environment. Since motor vehicle emissions are closely related to signal control schemes at road intersections, it is of great significance to study signal optimization control methods for low traffic emissions to reduce vehicle distance delays and exhaust emissions at intersections. [0003] The existing optimal control methods for intersections are mainly based on the intersection delay model to optimize the timing, aiming at reducing the average vehicle delay at the int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26
CPCG06Q10/04G06Q10/067G06Q50/26Y02T10/40
Inventor 陈锋陈宇强
Owner 安徽中科龙安科技股份有限公司
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