CN102800198A - Measuring and calculating method for traffic flow of section of expressway - Google Patents
Measuring and calculating method for traffic flow of section of expressway Download PDFInfo
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- CN102800198A CN102800198A CN2012102905625A CN201210290562A CN102800198A CN 102800198 A CN102800198 A CN 102800198A CN 2012102905625 A CN2012102905625 A CN 2012102905625A CN 201210290562 A CN201210290562 A CN 201210290562A CN 102800198 A CN102800198 A CN 102800198A
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Abstract
The invention relates to the technical field of traffic information, particularly to a measuring and calculating method for the traffic flow of the section of an expressway without repeated establishment of monitoring equipment or repeated manual investigation. The measuring and calculating method comprises the following steps: 1) obtaining the distance between a section to be detected and an upstream toll station, and the distance between the upstream toll station and a downstream exit toll station; detecting the travel time of a vehicle between the upstream toll station and the downstream toll station, and obtaining the average travel speed of the vehicle between the upstream toll station and the downstream toll station; obtaining the time required for the vehicle to travel from the upstream toll station to the section to be detected according to the obtained distance between the section to be detected and the upstream toll station and the average travel speed of the vehicle; obtaining the time at which the vehicle passes the upstream entrance toll station, and obtaining the time at which the vehicle arrives at the section to be detected according to the obtained time required for the vehicle to travel from the upstream toll station to the section to be detected; and counting the number of vehicles passing the section to be detected in a unit time period according to the obtained time at which the vehicle arrives at the section to be detected, so as to obtain the traffic flow the section of the expressway.
Description
Technical field
The present invention relates to the transport information technical field, be specifically related to a kind of measuring method of the highway section magnitude of traffic flow.
Background technology
Along with reform and opening-up deepen continuously and the paces of well-off society's construction are accelerated, China's economy is in steady, fast-developing period.Increasing rapidly of the raising of living standards of the people and automobile pollution, the lasting quickening of urbanization, motorization process, the adjustment of economic structure and the transformation of the mode of production will propose to upgrade, higher requirement to freeway traffic development.Since nineteen nineties, through the joint efforts of the whole society, China's traffic has got into best in history developing period.Particularly since 1998; Central authorities have made and having expanded domestic demand, the very important decision of accelerating the building of infrastructure, and national traffic department catches historic opportunities; Go ahead with the advantage and accelerate development paces; Highway traffic infrastructure has tentatively been realized great-leap-forward development, and communications and transportation is effectively alleviated " bottleneck " restriction of socio-economic development, has supported socioeconomic fast development effectively.To the end of the year 2011, China's highway is open to traffic total kilometrage above 8.5 ten thousand kilometers, occupies the second place of the world.Growth pattern from highway mileage open to traffic and road network structure, highway density; China's highway construction scale and speed of development these years is unprecedented; The technical progress of construction level and construction quality also approaches developed country's level, and this makes the whole road network adaptive faculty of China's highway improve rapidly.Yet aspect the informatization of the management of highway and highway, technical progress these years and technical merit lag behind the progress of operating technique level comparatively speaking, and be apparent in view with the gap of developed country.Lag far behind developed country's level in the collection of traffic data, arrangement, the application; Fail to form the unified data management mode; The realization data resource is shared, and causes the basic data of a large amount of preciousnesses to fail to be fully utilized, and causes repetition, the investigation repeatedly that there is no need.Simultaneously because the shortage of data resource has also caused the deficiency in the traffic administration.Traffic flow quantitative analysis for road network is all the more so; When carrying out highway planning and construction scheme research; All there are not system, comprehensive freeway net traffic flow data; Many expressway construction project all will spend great amount of manpower and material resources and carry out local traffic flow investigation when carrying out engineering feasibility study, simultaneously since receive condition to limit its data also not accurate enough, comprehensive.Not accurate enough traffic flow data also very easily causes planning or the error of construction project.
Summary of the invention
Given this, in order to address the above problem, the invention discloses a kind of measuring method that need not the highway section magnitude of traffic flow of duplicate construction monitoring equipment and repetitive manual investigation.
The objective of the invention is to realize like this: the measuring method of the highway section magnitude of traffic flow comprises the steps:
1) distance between acquisition detection section and the upper reaches charge station and the distance between upper reaches charge station and the lower exit charge station;
2) detect the running time of vehicle between upper reaches charge station and downstream charge station, and, obtain the average overall travel speed of vehicle between upper reaches charge station and downstream charge station according to the distance between upper reaches charge station that obtains in the step 1) and the downstream charge station;
3) distance and step 2 between the detection section that obtains according to step 1) and the upper reaches charge station) average overall travel speed of the vehicle that obtains, charge station drives to the detection required time of section from the upper reaches to obtain vehicle;
4) obtain the moment of vehicle through upper reaches inlets charge station, and the vehicle that obtains according to step 3) charge station drives to the required time of section of detecting from the upper reaches, obtain vehicle ' to the moment of detecting section;
5) vehicle ' that obtains according to step 4) arrives the moment of detecting section, and the statistical unit time obtains the highway section magnitude of traffic flow through the vehicle number of said detection section.
Further, in the said step 1), the range data that obtains is stored in the database step 2,3) in, from database, read required range data.
Further, said step 2) in, obtain the average overall travel speed V of vehicle between upper reaches charge station and downstream charge station according to following formula:
v=L/Δt；
L is the distance between upper reaches charge station and the downstream charge station in the following formula, and Δ t is the running time of vehicle between upper reaches charge station and downstream charge station.
Further, in the said step 3), charge station drives to the required time t of detection section from the upper reaches to obtain vehicle according to following formula:
t=d/v；
In the following formula, d is for detecting distance between section and the upper reaches charge station.
Further, in the said step 4), obtain the moment T of vehicle ' to the detection section according to following formula:
T=t+T
0；
In the following formula, T
0Be the moment of vehicle through upper reaches inlet charge station.
The beneficial effect of technical scheme provided by the invention is: can improve the management of highway and the IT application level of highway, make valuable basic data be fully utilized, avoid overlapping construction, investigate repeatedly, practice thrift human and material resources.When carrying out highway planning with construction scheme research, can make system, comprehensively the freeway net traffic flow data is able to utilize, and avoids spending the traffic flow investigation that great amount of manpower and material resources is carried out the part.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below:
Fig. 1 is a schematic flow sheet of the present invention.
Embodiment
Below will carry out detailed description to the preferred embodiment of invention.
Referring to Fig. 1, the measuring method of the highway section magnitude of traffic flow comprises the steps:
1) obtain to detect distance and the distance between upper reaches charge station and the lower exit charge station between section and the upper reaches charge station and be stored in the database, but this range data actual measurement also can directly be used the existing basic data of highway;
2) detect the running time of vehicle between upper reaches charge station and downstream charge station; And, obtain the average overall travel speed V of vehicle between upper reaches charge station and downstream charge station according to following formula according to the distance between upper reaches charge station that obtains in the step 1) and the downstream charge station:
v=L/Δt；
L is the distance between upper reaches charge station and the downstream charge station in the following formula, and Δ t is the running time of vehicle between upper reaches charge station and downstream charge station.
3) distance and step 2 between the detection section that obtains according to step 1) and the upper reaches charge station) average overall travel speed of the vehicle that obtains, charge station drives to the required time t of detection section from the upper reaches to obtain vehicle according to following formula:
t=d/v；
In the following formula, d is for detecting distance between section and the upper reaches charge station;
4) obtain the moment of vehicle through upper reaches inlets charge station, and the vehicle that obtains according to step 3) charge station drives to the required time of section of detecting from the upper reaches, obtain vehicle ' to the moment T that detects section according to following formula:
T=t+T
0；
In the following formula, T
0Be the moment of vehicle through upper reaches inlet charge station;
5) vehicle ' that obtains according to step 4) arrives the moment of detecting section, and the statistical unit time obtains the highway section magnitude of traffic flow through the vehicle number of said detection section.
The above is merely the present invention that preferably is not limited to of the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. the measuring method of the highway section magnitude of traffic flow is characterized in that: comprise the steps:
1) distance between acquisition detection section and the upper reaches charge station and the distance between upper reaches charge station and the lower exit charge station;
2) detect the running time of vehicle between upper reaches charge station and downstream charge station, and, obtain the average overall travel speed of vehicle between upper reaches charge station and downstream charge station according to the distance between upper reaches charge station that obtains in the step 1) and the downstream charge station;
3) distance and step 2 between the detection section that obtains according to step 1) and the upper reaches charge station) average overall travel speed of the vehicle that obtains, charge station drives to the detection required time of section from the upper reaches to obtain vehicle;
4) obtain the moment of vehicle through upper reaches inlets charge station, and the vehicle that obtains according to step 3) charge station drives to the required time of section of detecting from the upper reaches, obtain vehicle ' to the moment of detecting section;
5) vehicle ' that obtains according to step 4) arrives the moment of detecting section, and the statistical unit time obtains the highway section magnitude of traffic flow through the vehicle number of said detection section.
2. the measuring method of the highway section magnitude of traffic flow as claimed in claim 1 is characterized in that: in the said step 1), the range data that obtains is stored in the database step 2,3) in, from database, read required range data.
3. like the measuring method of each described highway section magnitude of traffic flow in the claim 1 to 3, it is characterized in that: said step 2), obtain the average overall travel speed V of vehicle between upper reaches charge station and downstream charge station according to following formula:
v=L/Δt；
L is the distance between upper reaches charge station and the downstream charge station in the following formula, and Δ t is the running time of vehicle between upper reaches charge station and downstream charge station.
4. the measuring method of the highway section magnitude of traffic flow as claimed in claim 3 is characterized in that: in the said step 3), charge station drives to the required time t of detection section from the upper reaches to obtain vehicle according to following formula:
t=d/v；
In the following formula, d is for detecting distance between section and the upper reaches charge station.
5. the measuring method of the highway section magnitude of traffic flow as claimed in claim 4 is characterized in that: in the said step 4), obtain the moment T of vehicle ' to the detection section according to following formula:
T=t+T
0；
In the following formula, T
0Be the moment of vehicle through upper reaches inlet charge station.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150894A (en) * | 2013-02-01 | 2013-06-12 | 东南大学 | Control method for eliminating traffic jam of expressway principal line toll station through flow |
| CN103280109A (en) * | 2013-06-08 | 2013-09-04 | 北京云星宇交通工程有限公司 | Obtaining method, obtaining device and prediction system of travel time |
| CN105702040A (en) * | 2016-04-22 | 2016-06-22 | 安徽皖通科技股份有限公司 | Method for enhancing highway toll station passage efficiency |
| CN108665707A (en) * | 2018-05-24 | 2018-10-16 | 金陵科技学院 | It is a kind of prevent local traffic congestion expressway access shunting and flow cooperative control method |
| CN111724595A (en) * | 2020-06-23 | 2020-09-29 | 重庆大学 | Highway section flow estimation method based on charging data |
| CN111882858A (en) * | 2020-06-01 | 2020-11-03 | 重庆大学 | Method for predicting queuing length of expressway abnormal events based on multi-source data |
| CN112581774A (en) * | 2020-12-08 | 2021-03-30 | 重庆大学 | ETC data-based method for estimating traffic flow of driving vehicles in expressway service area |
| CN113345252A (en) * | 2021-06-08 | 2021-09-03 | 重庆大学 | Short-time prediction method and device for lower-channel flow of toll station |
| CN113674538A (en) * | 2021-08-09 | 2021-11-19 | 南京美慧软件有限公司 | Section flow monitoring system |
| CN114005274A (en) * | 2021-10-21 | 2022-02-01 | 浙江综合交通大数据开发有限公司 | Expressway toll station graded linkage management and control method based on equivalent weight of passenger car |
| CN115148020A (en) * | 2022-06-13 | 2022-10-04 | 中国标准化研究院 | Monitoring system and method based on traffic flow in unit time of expressway |
| CN115393969A (en) * | 2022-07-20 | 2022-11-25 | 招商新智科技有限公司 | Lane management and control method for expressway multi-section traffic state feedback ramp toll station |
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| CN110299011A (en) * | 2019-07-26 | 2019-10-01 | 长安大学 | A kind of traffic flow forecasting method of the highway arbitrary cross-section based on charge data |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150894A (en) * | 2013-02-01 | 2013-06-12 | 东南大学 | Control method for eliminating traffic jam of expressway principal line toll station through flow |
| CN103150894B (en) * | 2013-02-01 | 2015-07-15 | 东南大学 | Control method for eliminating traffic jam of expressway principal line toll station through flow |
| CN103280109A (en) * | 2013-06-08 | 2013-09-04 | 北京云星宇交通工程有限公司 | Obtaining method, obtaining device and prediction system of travel time |
| CN105702040A (en) * | 2016-04-22 | 2016-06-22 | 安徽皖通科技股份有限公司 | Method for enhancing highway toll station passage efficiency |
| CN105702040B (en) * | 2016-04-22 | 2018-03-02 | 安徽皖通科技股份有限公司 | A kind of method for improving freeway toll station traffic efficiency |
| CN108665707B (en) * | 2018-05-24 | 2020-11-27 | 金陵科技学院 | Expressway entrance diversion and flow cooperative control method for preventing local traffic jam |
| CN108665707A (en) * | 2018-05-24 | 2018-10-16 | 金陵科技学院 | It is a kind of prevent local traffic congestion expressway access shunting and flow cooperative control method |
| CN111882858A (en) * | 2020-06-01 | 2020-11-03 | 重庆大学 | Method for predicting queuing length of expressway abnormal events based on multi-source data |
| CN111882858B (en) * | 2020-06-01 | 2022-05-20 | 重庆大学 | Multi-source data-based method for predicting queuing length of highway abnormal event |
| CN111724595A (en) * | 2020-06-23 | 2020-09-29 | 重庆大学 | Highway section flow estimation method based on charging data |
| CN112581774A (en) * | 2020-12-08 | 2021-03-30 | 重庆大学 | ETC data-based method for estimating traffic flow of driving vehicles in expressway service area |
| CN113345252B (en) * | 2021-06-08 | 2022-07-22 | 重庆大学 | Short-time prediction method and device for lower-path flow of toll station |
| CN113345252A (en) * | 2021-06-08 | 2021-09-03 | 重庆大学 | Short-time prediction method and device for lower-channel flow of toll station |
| CN113674538A (en) * | 2021-08-09 | 2021-11-19 | 南京美慧软件有限公司 | Section flow monitoring system |
| CN114005274A (en) * | 2021-10-21 | 2022-02-01 | 浙江综合交通大数据开发有限公司 | Expressway toll station graded linkage management and control method based on equivalent weight of passenger car |
| CN114005274B (en) * | 2021-10-21 | 2023-03-03 | 浙江综合交通大数据开发有限公司 | Expressway toll station graded linkage management and control method based on equivalent weight of passenger car |
| CN115148020A (en) * | 2022-06-13 | 2022-10-04 | 中国标准化研究院 | Monitoring system and method based on traffic flow in unit time of expressway |
| CN115393969A (en) * | 2022-07-20 | 2022-11-25 | 招商新智科技有限公司 | Lane management and control method for expressway multi-section traffic state feedback ramp toll station |
| CN115393969B (en) * | 2022-07-20 | 2023-09-19 | 招商新智科技有限公司 | Lane control method for ramp toll station for feeding back multi-section traffic state of expressway |
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