Traffic noise dynamic simulation method by combining cellular automaton traffic flow model

A technology of traffic flow model and cellular automata, which is applied in the field of dynamic simulation and calculation of road traffic noise, can solve problems such as traffic noise dynamic simulation of cellular automaton traffic flow models that have not yet been seen, and achieve small calculation and simple simulation process , easy to set effect

Inactive Publication Date: 2017-04-19
GUANGDONG POLYTECHNIC NORMAL UNIV +1
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Problems solved by technology

So far, there is no method to use the cellular automaton traffic flow model as a dynamic traffic flow simulation tool to realize the dynamic simulation of traffic noise

Method used

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  • Traffic noise dynamic simulation method by combining cellular automaton traffic flow model
  • Traffic noise dynamic simulation method by combining cellular automaton traffic flow model

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[0021] The drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0022] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 1 , a traffic noise dynamic simulation method combined with a cellular automaton traffic flow model. The implementation process is: use the traffic flow simulation module to dynamically simulate road traffic flow, and input the vehicle type, speed and acceleration obtained from the traffic flow simulation The vehicle noise emission module calculates the vehicle noise emission, and at the sa...

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Abstract

The invention provides a traffic noise dynamic simulation method by combining a cellular automaton traffic flow model. The method is suitable for dynamic simulation calculation of road traffic noise. The method comprises a traffic flow simulation module, a vehicle noise discharge calculation module and a noise propagation attenuation calculation module, wherein the traffic flow simulation module is realized through the cellular automaton traffic flow model. The method comprises the following calculating steps: carrying out dynamic simulation on road traffic flow through the traffic flow simulation module; inputting vehicle type, speed and accelerated speed obtained through traffic flow simulation into the vehicle noise discharge calculation module to carry out vehicle noise discharge calculation, and meanwhile, inputting vehicle position parameter obtained through traffic flow simulation into the noise propagation attenuation calculation module to calculate attenuation amount; and finally, obtaining a noise value of a receiving point by combining the calculation results of the vehicle noise discharge calculation module and the noise propagation attenuation calculation module. The method greatly simplifies traffic flow simulation process and has the advantages of small calculation amount and accurate and reliable simulation calculation result.

Description

technical field [0001] The invention relates to the field of dynamic simulation and calculation of road traffic noise, which can be used to accurately simulate the traffic noise value and its dynamic change under the action of multi-lane road traffic flow of mixed vehicles. Background technique [0002] While urban road traffic brings convenience to people's lives, it also causes environmental pollution. Among them, traffic noise pollution has become one of the main environmental problems that interfere with people's normal life. It can be seen that traffic noise pollution in major large and medium-sized cities in my country is already very serious at present, which has caused a major impact on people's work, study and rest, and even induces various diseases. With the increase of the number of motor vehicles, the situation of traffic noise pollution will become more and more severe, especially in some large and medium-sized cities. [0003] The prediction and calculation of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01G06F17/50
CPCG08G1/0125G06F30/20
Inventor 李锋蔡铭
Owner GUANGDONG POLYTECHNIC NORMAL UNIV
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