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A Quantification Method of Road Traffic Energy Consumption Based on Motor Vehicle Driving Patterns

A driving mode and road traffic technology, applied in traffic flow detection, special data processing applications, instruments, etc., can solve problems such as high complexity, difficult to obtain wide application in other areas, and low accuracy

Active Publication Date: 2016-02-10
创客天下(北京)科技发展有限公司
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Problems solved by technology

At present, research on road energy consumption in the field of transportation is mostly based on small sample size data, and the law of energy consumption changes is explained through traffic theory. Considering the complexity of urban traffic, it is difficult for small sample size data to contain all information. All energy consumption calculation models have the problems of low accuracy and weak generalization ability
[0003] The MOVES (Motor Vehicle Emission Simulator) model in the United States is widely used in the calculation of energy consumption and emissions. It comprehensively considers the distribution of vehicle operating conditions, driving characteristics, weather, and fuel types in the calculation process. All regions except California, but its reliance on local information makes it difficult to achieve widespread adoption in other regions
In addition to the environmental protection department, some automobile manufacturers and scientific research institutions have also established a variety of different energy consumption calculation models based on power demand or regression analysis methods, such as the energy consumption calculation model for environmental navigation established by RaghuK.Ganti and others at the University of Illinois Model, in order to obtain higher accuracy, this type of model generally needs the support of detailed road parameters and driving parameters, and the complexity is relatively high

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  • A Quantification Method of Road Traffic Energy Consumption Based on Motor Vehicle Driving Patterns
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  • A Quantification Method of Road Traffic Energy Consumption Based on Motor Vehicle Driving Patterns

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Embodiment Construction

[0055] Such as figure 1 As shown, the present invention is based on the method for quantifying road traffic energy consumption of motor vehicle driving patterns through the following steps:

[0056] (1) Necessary preprocessing is performed on the original data, and a complete driving journey of the motor vehicle is divided into multiple driving segments with a length of 3 minutes, and those less than 3 minutes are omitted.

[0057] The energy consumption data used in the present invention are collected from the daily driving data of 600 private cars in Beijing. The data collection time is from April 1, 2012 to April 30, 2012, and the collection range covers most of the roads in Beijing. Type, the collection frequency is 1Hz, and the collection device is CAN (ControllerAreaNetwork) card.

[0058] Different models have different fuel consumption levels in the same driving mode due to differences in their own vehicle weight, engine displacement and other attributes, and it is di...

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Abstract

Disclosed is a road traffic energy consumption quantization method based on motor vehicle running modes. Necessary preprocessing is conducted on original data, a complete running travel of a motor vehicle is divided into a plurality of running sections as long as 3 minutes, and the running sections less than 3 minutes are eliminated; meso-level running parameters closely related to the energy consumption of the motor vehicle are extracted from different angles with the running sections as a unit, and a feature vector capable of accurately quantizing the running state of the motor vehicle is built; typical motor vehicle running modes are obtained through clustering analysis, each running mode can represent one type of running states with the same energy consumption level, and the running modes reflect the clustering phenomenon of the energy consumption levels of the motor vehicle; running mode distribution rules under different meso-level measurable running parameters are analyzed, and the road traffic energy consumption quantization method based on the traffic parameters is built. According to the road traffic energy consumption quantization method based on motor vehicle running modes, each running parameter can quantize the current running state of the motor vehicle from different angles, and the road traffic energy consumption quantization method is high in accuracy and generalization ability compared with a traditional method only taking one comprehensive parameter in account.

Description

technical field [0001] The invention relates to a method for quantifying road traffic energy consumption based on a motor vehicle driving mode, and belongs to the technical field of motor vehicle energy consumption measurement. Background technique [0002] In recent years, my country's economy has developed rapidly, and the number of motor vehicles has continued to increase rapidly year after year. The resulting traffic energy consumption and environmental pollution have become problems that cannot be ignored. At present, research on road energy consumption in the field of transportation is mostly based on small sample size data, and the law of energy consumption changes is explained through traffic theory. Considering the complexity of urban traffic, it is difficult for small sample size data to contain all information. All energy consumption calculation models have the problems of low accuracy and weak generalization ability. [0003] The MOVES (Motor Vehicle Emission Si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/01G06F19/00
Inventor 黄坚李四洋周晓华吕卫锋
Owner 创客天下(北京)科技发展有限公司
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