CN106205150B - Internet of vehicles road condition monitoring system - Google Patents
Internet of vehicles road condition monitoring system Download PDFInfo
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- CN106205150B CN106205150B CN201610576536.7A CN201610576536A CN106205150B CN 106205150 B CN106205150 B CN 106205150B CN 201610576536 A CN201610576536 A CN 201610576536A CN 106205150 B CN106205150 B CN 106205150B
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- 230000006855 networking Effects 0.000 claims description 8
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- 238000005516 engineering process Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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Abstract
The invention provides a road condition monitoring system of an internet of vehicles, wherein road vehicles are respectively provided with a GPS (global positioning system) positioning unit, and when the distance between the vehicle position acquisition unit and the GPS positioning unit on the vehicle is lower than a set threshold value, the GPS positioning unit transmits vehicle position data to the vehicle position acquisition unit; the two lanes respectively comprise two straight lanes in the middle, a left turning lane positioned at the leftmost side and a right turning lane positioned at the rightmost side, the vehicle position data comprise the quantity of vehicles on each lane on two roads where the intersection is positioned, and the vehicle position data are sent to a road condition analysis unit to output vehicle condition information. The invention can effectively monitor the traffic flow of the lanes in all directions near the intersection, and judge whether the road is congested or unblocked according to the traffic flow appearing after the convergence of the lanes, and the road condition of the road section obtained through the intersection traffic information is more accurate because whether the road section is congested mainly depends on the number of vehicles at the intersection and the circulation condition.
Description
Technical field
The present invention relates to internet of things field, especially a kind of car networking road condition monitoring system.
Background technique
Intelligent transportation is the development trend of Modern Traffic management, and vehicle monitoring technology is the key technology of intelligent transportation system
One of, the information such as vehicle heading, the magnitude of traffic flow are accurately obtained by vehicle monitoring technology, are to grasp traffic information simultaneously in real time
The important evidence of additional transport management.
Vehicle monitoring technology at present
Video frequency vehicle monitoring technology is more common vehicle monitoring technology, by analyze traffic scene video image come
It identifies the variation between continuous pictures, achievees the purpose that vehicle monitoring.But when night is bad, video acquisition system
The image of acquisition is not enough to identify vehicle.And camera lens need periodic cleaning, and maintenance work is cumbersome.Infrared detection skill
Art, environment influences its performance smaller round the clock, but needs to sacrifice reliability by power is improved to improve sensitivity.Ultrasound
Wave technology, it small in size are easily installed, but its performance is affected by air temperature and current, unstable working condition.
Traffic flow monitoring technology based on Internet of Things
Based on sensing technologies such as radio frequency identification module, infrared inductor, GPS wireless communication technique, laser scanners and
Any article can be connected to internet using universal standard agreement by device, realize real-time, accurate communicating data information,
To realize that Weigh sensor, positioning and the Internet of Things of monitoring are the hot spots of current information age.Internet of Things utilize without no
Network communication technology wirelessly or non-wirelessly establish connection extensively.Based on the multistage received vehicle flowrate monitoring system of technology of Internet of things
System understands road to realize that automatic obtain monitors the information such as number, type of vehicle, driving direction of vehicle in region in time
Unobstructed situation is becoming a developing direction of feasibility, has very big application prospect.
There is presently no a kind of technologies of effective monitoring road congestion state for the prior art.
Summary of the invention
In order to solve the above technical problems, being used for two-way eight tracks the present invention provides a kind of car networking road condition monitoring system
Vehicle flowrate monitoring comprising the vehicle location acquiring unit set on intersection, two lanes are respectively first lane, the second vehicle
Road is respectively equipped with GPS positioning unit on road vehicle, the GPS positioning unit in the vehicle location acquiring unit and vehicle
When distance is lower than given threshold, vehicle position data is sent to the vehicle location acquiring unit by the GPS positioning unit；
Two lanes respectively include two intermediate rectilinear stretch, positioned at the leftmost side left turn lane and be located at
The right-turn lane of the rightmost side, the vehicle position data include Through Lane on two road where intersection, turn left
The vehicle position data is sent to all the way by the vehicle amount quantity on lane, right-turn lane, the vehicle location acquiring unit
Condition analytical unit, the road condition analyzing unit export following situation of remote:
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
When vehicle fleet amount on lane is more than vehicle flow threshold value, Through Lane of the first lane on the straight trip direction and the
It is congestion status that two lane highways, which import the turning roadway on the straight trip direction,；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, but the vehicle on the turning roadway for importing the Through Lane of second lane
When quantity is higher than turning vehicle threshold value, the vehicle fleet size of Through Lane of the first lane on straight trip direction is lower than through vehicles
When threshold value, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is
Congestion status；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, but the vehicle fleet size of Through Lane of the first lane on straight trip direction
When higher than through vehicles threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle
When threshold value, Through Lane of the first lane on the straight trip direction is congestion, and the turning roadway of the second lane is
It is unimpeded；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, and the vehicle fleet size of Through Lane of the first lane on straight trip direction is low
When through vehicles threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle threshold
When value, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is smooth
It is logical.
Preferably, when the threshold value of the GPS positioning unit distance in the vehicle location acquiring unit and vehicle is on lane
The lane line in four lanes is the distance at position to the crossing that solid line starts.
Preferably, the vehicle location acquiring unit obtain in real time GPS positioning unit and vehicle location acquiring unit away from
From value, and judge whether to reach preset threshold value, when reaching the threshold value, obtains the GPS positioning unit position simultaneously
Real-time update, until the distance value of GPS positioning unit and vehicle location acquiring unit is more than the threshold value.
The invention has the following advantages:
The present invention can the wagon flow in the effective lane to all directions near crossing be monitored, and according to each lane
The vehicle flowrate occurred after confluence, to determine whether congestion or unimpeded, since whether congestion depends primarily at crossing in section
Vehicle fleet size and circulation situation, the section road conditions obtained by crossing traffic information are more accurate；Traditional detection technique master
It is used for the monitoring in whole section, accuracy to be poor.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is car networking road condition monitoring system schematic provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of car networking road condition monitoring systems, the vehicle for two-way eight tracks
Flow monitoring comprising the vehicle location acquiring unit set on intersection, two lanes are respectively first lane, second lane,
GPS positioning unit is respectively equipped on road vehicle, the GPS positioning unit distance in the vehicle location acquiring unit and vehicle
When lower than given threshold, vehicle position data is sent to the vehicle location acquiring unit 3 by the GPS positioning unit；This reality
Apply in example in the threshold range, have on first lane the first horizontal lane GPS positioning unit 11 ..., the (n-1)th horizontal lane GPS
Positioning unit 1n-1, the n-th horizontal lane GPS positioning unit 1n, have on second lane the first vertical lane GPS positioning unit 21 ...,
(n-1)th vertical lane GPS positioning unit 2n-1, the n-th vertical lane GPS positioning unit 2n；
Two lanes respectively include two intermediate rectilinear stretch, positioned at the leftmost side left turn lane and be located at
The right-turn lane of the rightmost side, the vehicle position data include Through Lane on two road where intersection, turn left
The vehicle position data is sent to all the way by the vehicle amount quantity on lane, right-turn lane, the vehicle location acquiring unit 3
Condition analytical unit 4, the road condition analyzing unit 4 export following situation of remote:
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
When vehicle fleet amount on lane is more than vehicle flow threshold value, Through Lane of the first lane on the straight trip direction and the
It is congestion status that two lane highways, which import the turning roadway on the straight trip direction,；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, but the vehicle on the turning roadway for importing the Through Lane of second lane
When quantity is higher than turning vehicle threshold value, the vehicle fleet size of Through Lane of the first lane on straight trip direction is lower than through vehicles
When threshold value, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is
Congestion status；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, but the vehicle fleet size of Through Lane of the first lane on straight trip direction
When higher than through vehicles threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle
When threshold value, Through Lane of the first lane on the straight trip direction is congestion, and the turning roadway of the second lane is
It is unimpeded；
When the turning for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
Vehicle fleet amount on lane is lower than vehicle flow threshold value, and the vehicle fleet size of Through Lane of the first lane on straight trip direction is low
When through vehicles threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle threshold
When value, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is smooth
It is logical.
In the present embodiment, when the threshold value of the vehicle location acquiring unit 3 and the GPS positioning unit distance on vehicle is vehicle
The lane line in four lanes is the distance at position to the crossing that solid line starts on road.
Wherein the vehicle location acquiring unit 3 obtains GPS positioning unit at a distance from vehicle location acquiring unit in real time
Value, and judges whether to reach preset threshold value, when reaching the threshold value, obtains the GPS positioning unit position and real
Shi Gengxin, until the distance value of GPS positioning unit and vehicle location acquiring unit is more than the threshold value.
The present invention can the wagon flow in the effective lane to all directions near crossing be monitored, and according to each lane
The vehicle flowrate occurred after confluence, to determine whether congestion or unimpeded, since whether congestion depends primarily at crossing in section
Vehicle fleet size and circulation situation, the section road conditions obtained by crossing traffic information are more accurate；Traditional detection technique master
It is used for the monitoring in whole section, accuracy to be poor.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (3)
1. a kind of car networking road condition monitoring system, the vehicle flowrate for two-way eight tracks is monitored, which is characterized in that is handed over including being set to
The vehicle location acquiring unit of prong, two lanes are respectively first lane, second lane, are respectively equipped with GPS on road vehicle
Positioning unit, it is described when the GPS positioning unit distance in the vehicle location acquiring unit and vehicle is lower than given threshold
Vehicle position data is sent to the vehicle location acquiring unit by GPS positioning unit；
Two lanes respectively include two intermediate rectilinear stretch, positioned at the left turn lane of the leftmost side and positioned at most right
The right-turn lane of side, the vehicle position data include Through Lane on two road where intersection, left turn lane,
The vehicle position data is sent to a road condition analyzing by the vehicle fleet size on right-turn lane, the vehicle location acquiring unit
Unit, the road condition analyzing unit export following situation of remote:
When the turning roadway for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
On vehicle fleet amount be more than vehicle flow threshold value when, Through Lane and second vehicle of the first lane on the straight trip direction
It is congestion status that road, which imports the turning roadway on the straight trip direction,；
When the turning roadway for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
On vehicle fleet amount be lower than vehicle flow threshold value, but second lane remittance the Through Lane turning roadway on vehicle number
When amount is higher than turning vehicle threshold value, the vehicle fleet size of Through Lane of the first lane on straight trip direction is lower than through vehicles threshold value
When, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is congestion
State；
When the turning roadway for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
On vehicle fleet amount be lower than vehicle flow threshold value, but the vehicle fleet size of Through Lane of the first lane on straight trip direction is higher than
When through vehicles threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle threshold value
When, Through Lane of the first lane on the straight trip direction is congestion, and the turning roadway of the second lane is unimpeded；
When the turning roadway for importing the Through Lane of Through Lane and second lane on a certain straight trip direction of first lane
On vehicle fleet amount be lower than vehicle flow threshold value, the vehicle fleet size of Through Lane of the first lane on straight trip direction is lower than straight
When driving threshold value, the vehicle fleet size on the turning roadway of the remittance of the second lane Through Lane is lower than turning vehicle threshold value
When, Through Lane of the first lane on the straight trip direction be it is unimpeded, the turning roadway of the second lane is unimpeded.
2. car networking road condition monitoring system as described in claim 1, which is characterized in that when the vehicle location acquiring unit with
The threshold value of GPS positioning unit distance on vehicle is that the lane line in four lanes on lane is position to the crossing that solid line starts
Distance.
3. car networking road condition monitoring system as claimed in claim 2, which is characterized in that the vehicle location acquiring unit is real-time
The distance value of GPS positioning unit and vehicle location acquiring unit is obtained, and judges whether to reach preset threshold value, it is described when reaching
When threshold value, the GPS positioning unit position and real-time update are obtained, until GPS positioning unit and vehicle location obtain list
The distance value of member is more than the threshold value.
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| CN201610576536.7A CN106205150B (en) | 2016-07-20 | 2016-07-20 | Internet of vehicles road condition monitoring system |
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| CN106205150B true CN106205150B (en) | 2019-06-18 |
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| CN106600993B (en) * | 2017-02-17 | 2019-10-01 | 重庆邮电大学 | A kind of crossing vehicle shunting amount prediction technique based on RFID data |
| CN107798872B (en) * | 2017-10-27 | 2020-01-07 | 北京世纪高通科技有限公司 | Method and device for generating lane-dividing road condition |
| CN112380956B (en) * | 2020-11-10 | 2024-02-27 | 苏州艾氪英诺机器人科技有限公司 | Lane judging method |
| CN114613167A (en) * | 2022-04-15 | 2022-06-10 | 山东金宇信息科技集团有限公司 | Intelligent traffic management method based on vehicle flow regulation |
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