Method for computing dynamical traffic energy consumption and emission of urban road networks

A technology of urban road network and calculation method, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problem of not providing detailed methods for calculating energy consumption and emissions of urban road network traffic

Inactive Publication Date: 2014-06-04
CHINA AEROSPACE SYST ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the VSP model only provides a framework for calculating fuel consumption and emissions, and does not provide a detailed method for calculating energy consumption and emissions of urban road network traffic.

Method used

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  • Method for computing dynamical traffic energy consumption and emission of urban road networks
  • Method for computing dynamical traffic energy consumption and emission of urban road networks
  • Method for computing dynamical traffic energy consumption and emission of urban road networks

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Experimental program
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Embodiment Construction

[0051] The present invention will be further described now in conjunction with accompanying drawing.

[0052] The calculation method of the present invention includes the following steps: first, the energy consumption, exhaust emission and working condition data of the vehicle during driving are obtained by using PEMS and CAN bus energy consumption metering equipment, and then statistical analysis is performed on the obtained data to obtain the VSP based on speed -Bin distribution rate database and VSP-Bin-based emission rate database to obtain the emission rates of various pollutants (such as NOx, HC, CO) corresponding to the VSP-Bin interval, and finally combine the slope information of the road network and the dynamics of the road network Traffic flow information calculates dynamic traffic energy consumption and emission data of road sections and regions.

[0053] Each step of the method of the present invention will be further described below.

[0054] Step 1), collect th...

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Abstract

The invention relates to a method for computing dynamical traffic energy consumption and emission of urban road networks. The method includes acquiring energy consumption, exhaust emission and working condition data of sample vehicles; creating VSP-Bin (vehicle specific power-Bin) distribution rate databases; creating emission rate databases according to the exhaust gas emission data and the working condition data; combining gradient information of the road networks with dynamic traffic flow information of the road networks and computing dynamic traffic energy consumption and emission data of road sections and regions. The VSP-Bin distribution rate databases include VSP-Bin proportions under the conditions of multiple road grades, multiple vehicle models and multiple speed intervals. The emission rate databases include emission rates of pollutants in vehicle exhaust gas corresponding to various VSP-Bin intervals, the pollutants in the vehicle exhaust gas include NOx (nitric oxide), HC (hydrocarbon compounds) and CO (carbon oxide).

Description

technical field [0001] The invention relates to the field of traffic monitoring, in particular to a method for calculating dynamic traffic energy consumption and emissions of urban road networks. Background technique [0002] In recent years, the increase in the number of urban motor vehicles and the rapid development of the automobile industry have promoted the overall progress of the economy and society, but at the same time it has also aggravated urban air pollution. Based on this, people began to re-examine the relationship between traffic and the environment. Early quantitative studies on energy consumption and emissions of motor vehicles in the road network were often based on three parameters: the comprehensive energy consumption and emission factors of motor vehicles, the average annual mileage of vehicles, and the number of regional motor vehicles, and predicted the total energy consumption and emissions of motor vehicles in the regional road network from a macro le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 荆长林雷利军王振华聂炜景泽涛单雅文万蔚王法岩于渊田启华张丹
Owner CHINA AEROSPACE SYST ENG
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