A Method for Controlling Urban Traffic Macro-Regional Boundary

A technology for boundary control and urban transportation, applied in the field of intelligent transportation, can solve the problems of excessive control host requirements and heavy computational burden, and achieve the effects of low implementation cost, improved operating efficiency, and small changes.

Active Publication Date: 2021-04-09
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In addition, most of the existing urban traffic boundary control methods are centralized control methods
Due to the large scale and strong randomness of the urban traffic system, there are complex interconnections between various intersections and road sections, and there are complex interconnections between various regions. Excessive requirements, stricter reliability of detectors and data transmission, etc.

Method used

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  • A Method for Controlling Urban Traffic Macro-Regional Boundary
  • A Method for Controlling Urban Traffic Macro-Regional Boundary
  • A Method for Controlling Urban Traffic Macro-Regional Boundary

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Embodiment Construction

[0046] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0047] figure 1 Show the flow chart of a kind of urban traffic macro-area boundary control method proposed by this embodiment, as figure 1 shown, including the following steps:

[0048] S1: Divide the urban traffic network into several homogeneous areas;

[0049] According to factors such as congestion distribution, geographical location, and traffic travel characteristics, the urban traffic road network is divided into several regions, such as figure 2 shown. Vehicles transfer from one area to another through boundar...

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Abstract

The invention discloses a method for controlling the macro-area boundary of urban traffic. The control method includes the following steps: S1, dividing the urban traffic road network into several homogeneous areas; S2, decomposing the urban traffic road network according to the several homogeneous areas to obtain several subsystems; S3, Calculate the pseudo gradient vector of each subsystem; S4, collect the input / output data of each subsystem; S5, calculate the boundary control ratio between each subsystem; S6, convert the boundary control ratio into the green signal ratio of the boundary intersection; S7. Output the green signal ratio of the border crossing to the signal machines at each border crossing, and keep the phase green signal ratio of each signal cycle unchanged in the current control cycle.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation. More specifically, it relates to a method for controlling urban traffic macro-area boundaries. Background technique [0002] With the development and expansion of cities and the improvement of people's living standards, the number of vehicles driving on urban roads is increasing day by day, which makes the contradiction between more and more vehicles and limited urban road space more and more intensified. Urban traffic network The congestion problem is also getting worse. In today's society, the construction of transportation infrastructure will not only lead to more congestion in the urban traffic network, but also often lead to new congestion due to the Brace paradox. At the same time, the cost of demolition and relocation of urban road infrastructure is high, and environmental pollution such as noise and dust is serious. Therefore, reasonable traffic control under limited ...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): G08G1/01G08G1/08G08G1/081G08G1/096
CPCG08G1/0125G08G1/08G08G1/081G08G1/096
Inventor侯忠生雷霆
OwnerBEIJING JIAOTONG UNIV