Mountain area highway horizontal curve dangerous section identification method

A technology of expressways and recognition methods, applied in the direction of instruments, data processing applications, resources, etc., can solve problems such as time-consuming and labor-consuming, inaccurate accident data, and incomplete disclosure of accident information

Inactive Publication Date: 2017-05-10
CHANGAN UNIV +1
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Problems solved by technology

However, the accident database in our country is not yet complete, and the accident information has not been fully disclosed by the public security department. In addition, localities at all levels have under-reported and concealed the actual accident situation for some reasons, resulting in very inaccurate accident data used in the study; At the same time, the actual accident data is obtained based on the existing roads, but it is time-consuming and labor-intensive to improve the existing roads

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  • Mountain area highway horizontal curve dangerous section identification method
  • Mountain area highway horizontal curve dangerous section identification method
  • Mountain area highway horizontal curve dangerous section identification method

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[0088] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.

[0089] In order to make the purpose, technical solution and advantages of the present invention clearer, specific examples of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0090] refer to Figure 1-3 , a fuzzy expert system-based method for identifying dangerous road sections on flat curves in mountainous expressways in the present invention, such as the process image 3 sho...

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Abstract

The invention provides a mountain area highway horizontal curve dangerous section identification method. Analysis is carried out through utilization of specialist knowledge and related event statistic information in the field, thereby obtaining evaluation parameters of a mountain area highway horizontal curve section; a membership function of each influence factor is determined through operation of a fuzzy specialist basic theory; through combination of the specialist knowledge in the field, evaluation rules are extracted and established; a mountain area highway horizontal curve dangerous section identification fuzzy specialist system is established, thereby carrying out dangerous degree calculation and sorting on each horizontal curve section. According to the mountain area highway horizontal curve dangerous section identification system which is based on the fuzzy specialist system and is established by the method, predictive evaluation can be carried out on a road in a design stage.

Description

technical field [0001] The invention belongs to the field of road traffic safety engineering, and in particular relates to a method for identifying dangerous road sections on flat curves of expressways in mountainous areas. Background technique [0002] In recent years, my country's highway network has grown rapidly. In 2014, the total mileage of my country's highways exceeded 125,000 kilometers. At the same time, the mileage of mountain expressways is also increasing rapidly. However, due to the low linear index of expressways in mountainous areas and special road structures, traffic accidents occur frequently. In 2011 alone, the number of casualties in road traffic accidents in China was close to 300,000, second only to India. At the same time, the number of accidents on flat curves accounted for 10.5% of the total, second only to the number of accidents caused by speeding. It can be seen that, considering the lower alignment index of mountainous expressways, it is urgent...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06
CPCG06Q10/0639
Inventor 张驰张天宇杨坤张敏孟良闫晓敏祝文君贺亚龙
Owner CHANGAN UNIV
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