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Calculation Method of Optimal Rate for Dynamic Congestion Charging Based on Cellular Transmission Model

A transmission model and congestion charging technology, applied in computing, data processing applications, forecasting, etc., can solve problems such as inability to alleviate traffic congestion, increase congestion at warning lines, unfair charging, etc., to save total travel time and minimize time consumption , the calculation is simple and efficient

Active Publication Date: 2021-07-09
SOUTHEAST UNIV
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AI Technical Summary

Problems solved by technology

However, all cities that have implemented road congestion charging policies have adopted a single pricing method, which ignores the travel distance of vehicles within the warning line and road congestion, and charges users with different travel distances within the warning line at the same rate under different congestion conditions. costs, which raises the issue of unfair charges
In addition, some users may deliberately increase the use of road sections within the warning line to increase the economic utility of the congestion fee they pay. This will not only fail to alleviate traffic congestion, but will increase the congestion within the warning line

Method used

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  • Calculation Method of Optimal Rate for Dynamic Congestion Charging Based on Cellular Transmission Model
  • Calculation Method of Optimal Rate for Dynamic Congestion Charging Based on Cellular Transmission Model
  • Calculation Method of Optimal Rate for Dynamic Congestion Charging Based on Cellular Transmission Model

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Embodiment Construction

[0099] Such as figure 1 As shown, a method for calculating the optimal rate of dynamic congestion charging based on the cellular transmission model includes the following steps:

[0100] (1) Input the relevant data of the urban transportation network, and establish the topological map of the transportation network;

[0101] (2) Based on the requirements of cordon charging, each entrance of the toll area is determined as the toll starting point, and the exit is determined to be the toll end point, and the length of each road section in the toll area is obtained, and a joint toll function based on distance and congestion that changes over time is established. expression;

[0102] (3) Using a path-based cellular transport model to simulate the propagation process of traffic flow, and then calculate the average route travel time;

[0103] (4) Establish a two-layer optimization model to determine the joint congestion rate based on distance and congestion that satisfies the princi...

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Abstract

The invention discloses a method for calculating the optimal rate of dynamic congestion charging based on the cellular transmission model. Compared with the existing algorithm, the method for calculating the optimal rate of dynamic congestion charging based on the cellular transmission model is more efficient Fair and effective, the optimal rate obtained minimizes the time consumption of the entire road network; compared with the original cellular transmission model, the path-based cellular transmission model adopted in the present invention has advantages such as no need to calculate cellular waiting time , making the calculation more convenient and efficient, and when the present invention is applied in a larger urban area, it can greatly save the total travel time of the entire road network system.

Description

technical field [0001] The invention relates to the technical field of urban traffic management and control, in particular to a method for calculating an optimal rate of dynamic congestion charging based on a cellular transmission model. Background technique [0002] With the rapid advancement of urbanization and the improvement of residents' living standards, the number of motor vehicles in major cities in my country continues to increase, and the problem of urban traffic congestion is increasing day by day. It also brings problems such as environmental pollution and energy waste. Urban road congestion charging is a means of traffic demand management. It uses the price lever to make car users change travel routes, adjust travel time or change travel modes, so as to achieve the purpose of regulating the total traffic demand and optimizing the traffic travel structure. [0003] As one of the economic means of traffic demand management, road congestion charging has been paid m...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/30
CPCG06Q10/04G06Q50/30
Inventor 刘志远王路濛程启秀俞俊
Owner SOUTHEAST UNIV
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