System and method for determining environment traffic capacity of expressway based on vehicle emission

Abstract

The invention discloses a system and a method for determining the environment traffic capacity of an expressway based on vehicle emission. The system comprises a data acquisition system, a processor, a display and a server, wherein the processor is used for analyzing and processing data which are acquired by the data acquisition system; the display and the server are connected with the processor; the processor is in wireless connection and communication with the data acquisition system through a wireless communication system; and the data acquisition system consists of meteorological parameter detection equipment, traffic flow detection equipment and pollutant concentration detection equipment. The method comprises the following steps of: 1, acquisition and real-time uploading of the data; 2, determination of the environment traffic capacity of the expressway: determination of the cumulated amount of various vehicle emission pollutants, determination of a dilution factor f, and determination of the environment traffic capacity of a road section j of the expressway; and 3, synchronous output and storage of a processing result. The invention has the advantages of novel and reasonable design, convenience for implementation, high real-time performance, high determination accuracy of the environment traffic capacity of the expressway, high reliability, high practicability and high popularization and application value.

Description

technical field [0001] The invention belongs to the technical field of traffic capacity measurement, and in particular relates to a system and method for determining the traffic capacity of an expressway environment based on vehicle emissions. Background technique [0002] With the rapid development of expressway construction in our country, the road network has been gradually formed, but the expressway also has a certain negative impact on the environment while promoting the development of the national economy, such as the air pollution caused by cars. Due to the limitation of the capacity of the traffic environment, the total amount of traffic that the traffic environment can carry is limited. In the natural environment, the atmosphere is most seriously affected by automobile pollution. Greatly reduced, harmful inhalable particulate matter increased, affecting the health and ecological environment of residents around the expressway. Therefore, it is necessary to carry out...

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Problems solved by technology

[0005] Domestic related research mainly focuses on the control of urban road traffic pollution. Although some people have proposed to apply the theory of urban environmental traffic carrying capacity to the prediction of road network traffic volume, and put forward the traffic volume prediction of road network based on the traffic environment carrying capacity. model, this method refers to the urban motor vehicle emission air pollution measurement method when calculating the amount of air pollution; There are still deficiencies such as no unified pollutant evaluation factor and unclear application boundaries of diffusion models. Therefore, it is necessary to systematically study the environmental allowable traffic volume carrying threshold for road traffic, especially expressways.

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