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Method for calculating position of single-point overspeed capture system for bend downhill section

A calculation method and technology of road sections, which are applied in the field of setting location of a single-point speeding capture system, can solve the problems that the specific setting location is not specified in detail, the random safety effect is not satisfactory, etc., and achieve the effect of improving road traffic safety.

Inactive Publication Date: 2018-09-07
WUHAN UNIV OF TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

The deceleration of the speeding capture system is mandatory, and for its installation location, the existing regulations stipulate that speed measurement and evidence collection equipment should be installed on roads with frequent traffic accidents and dangerous roads, but there is no detailed description of the specific installation location, and the randomness of the installation location is also leading to unsatisfactory security effects

Method used

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  • Method for calculating position of single-point overspeed capture system for bend downhill section
  • Method for calculating position of single-point overspeed capture system for bend downhill section
  • Method for calculating position of single-point overspeed capture system for bend downhill section

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Embodiment Construction

[0024] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only for illustration and explanation of the present invention, and are not intended to limit this invention.

[0025] Step 1: Obtain the 85th percentile vehicle speed at the starting point of the downhill section of the curve according to the historical statistical data;

[0026] The historical statistical data described in step 1 is the speed at which the vehicle passes through the starting point of the curved downhill section:

[0027]

[0028] in, is the speed of the jth car, in Medium vehicle speed is less than or equal to The number of vehicles is M, M / N≈85%, The speed at the 85th percentile of the starting point of the downhill section of the cur...

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Abstract

The invention discloses a method for calculating the position of a single-point overspeed capture system for a bend downhill section. The 85%th vehicle speed of a starting point of the bend downhill section is obtained according to historical statistical data; the 85%th vehicle speed of the starting point of the bend downhill section and the maximum running speed of the bend downhill section are compared to obtain a target speed of the bend downhill section; and the position of the single-point overspeed capture system for the bend downhill section is calculated according to the target speed of the bend downhill section. Compared with the prior art, the method is favorable for enabling the single-point overspeed capture system to better play a role of preventing overspeed, reducing rear-end collision and ensuring safety, thereby improving road traffic safety.

Description

technical field [0001] The invention belongs to the field of setting positions of a single-point overspeed capture system, and in particular relates to a method for calculating the position of a single-point overspeed capture system on a downhill curve section. Background technique [0002] Speeding is one of the important factors causing rear-end collision accidents. By reducing the speed dispersion and standard deviation of vehicles and improving the stability of traffic flow through speed limit, the occurrence of rear-end collision accidents can be reduced to a certain extent, and the intensity of rear-end collision accidents can be reduced. At present, the commonly used speed limit measures mainly include speed limit signs, longitudinal deceleration markings, lateral vibration deceleration markings, and speeding snapshots. The deceleration of the speeding capture system is mandatory, and for its installation location, the existing regulations stipulate that speed measur...

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Application Information

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IPC IPC(8): G08G1/017
CPCG08G1/0175
Inventor 朱顺应雷桂荣金霞卢华
Owner WUHAN UNIV OF TECH
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