CN108053672A - The monitoring method and system of a kind of highway - Google Patents
The monitoring method and system of a kind of highway Download PDFInfo
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- CN108053672A CN108053672A CN201711066382.8A CN201711066382A CN108053672A CN 108053672 A CN108053672 A CN 108053672A CN 201711066382 A CN201711066382 A CN 201711066382A CN 108053672 A CN108053672 A CN 108053672A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The present invention relates to traffic information collection and utilize field, and in particular to the monitoring method and system of a kind of highway are provided with multiple monitoring devices based on Bluetooth transmission on highway, and the monitoring method specifically includes following steps：By monitoring device, obtain the highway and correspond to the vehicle number and speed of vehicle on monitoring section, and pass through bluetooth/wifi gateway and be sent to cloud server；Also, the traffic information of the highway is formed according to the data message of acquisition；And anti-congestion measure is formed according to traffic information.The present invention monitors the road conditions of highway in real time, if having detected traffic jam, traffic congestion information is sent to administrative department and user, which can go to traffic congestion section to be dredged in time, and user can avoid traffic congestion section according to prompting, prevent that traffic jam is even more serious.
Description
Technical field
The present invention relates to traffic information collection and utilize field, and in particular to the monitoring method and system of a kind of highway.
Background technology
For the ease of managing and monitoring, traffic department or other map softwares it should be understood that the vehicle flowrate situation of highway,
At present, mainly there are following two schemes for the acquisition of information of vehicle flowrate：
1st, the monitoring scheme based on infrared sensor technology.Monitoring section is divided on highway, and in the road of monitoring section
The transmitting tube and reception pipe of infrared sensor are installed in both sides, and when no vehicle passes through monitoring section, reception pipe can smoothly receive transmitting
The infrared signal that pipe is sent；When there is vehicle to pass through monitoring section, reception pipe can not receive infrared signal, then can export one high electricity
Flat pulse.
2nd, the monitoring scheme based on camera technology.Multiple cameras are installed on highway, the picture shot by camera
Face monitoring car vehicle flowrate.
However, for the monitoring scheme of infrared sensor technology, since the monitoring distance of reception pipe and transmitting tube is short,
And when there is two cars to pass through simultaneously, it is impossible to which accurate counting causes to be difficult to reach anticipation using infrared rays survey accuracy
Standard is also just difficult to the technical indicator for reaching actual use.
And for the monitoring scheme of camera technology, although the information such as vehicle flowrate and speed can be measured accurately,
It is that one side operation cost is excessively high, on the other hand, it is difficult to overcome the problems, such as to monitor vehicle flowrate under dense fog or heavy rain weather.
Also, after information of vehicle flowrate is obtained, current navigation system can only show the location of congestion, pass through simultaneously
Color distinguishes jam level, fails the vehicle flowrate on control highway in time, still persistently has a large amount of vehicles to enter, cause traffic congestion situation
It is even more serious.
Therefore, the problem of designing the monitoring method and system of a kind of highway, being always those skilled in the art's primary study
One of.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of monitoring of highway
Method and system solve the problems, such as to monitor the road conditions of highway in real time and convey in time information preventing traffic jam.
To solve the technical problem, the present invention provides a kind of monitoring method of highway, multiple be based on is provided on highway
The monitoring device of Bluetooth transmission, the monitoring method specifically include following steps：
By monitoring device, obtain the highway and correspond to the vehicle number and speed of vehicle on monitoring section, and pass through bluetooth/wifi
Gateway is sent to cloud server；
Also, the traffic information of the highway is formed according to the data message of acquisition；
And anti-congestion measure is formed according to traffic information.
Wherein, preferred version is that the monitoring method specifically includes following steps：
Cloud server forms current limiting measures, and is issued to the management of toll station according to the vehicle number and speed of vehicle
Terminal；
Management terminal according to current limiting measures, control allow by vehicle number.
Wherein, preferred version is that the monitoring method specifically includes following steps：
Geographical location, speed and the stroke of user terminal are obtained, and is sent to cloud server；
And the real time information according to traffic information and user terminal, driving recommendations are formed, and are issued to user terminal.
Wherein, preferred version is that the monitoring method specifically includes following steps：
Cloud server receives the vehicle number and geographical location of speed and user terminal, the speed and destination of vehicle；
According to the vehicle number and speed of vehicle, congested link is determined whether；If so, draw the dredging time of congested link,
And the geographical location according to user terminal and speed, show that user terminal reaches the arrival time of congested link, combined destination
Advisory information is formed, and is issued to user terminal；If it is not, being formed through information, and it is issued to user terminal.
Wherein, preferred version is that the monitoring method specifically includes following steps：
Obtain a plurality of route that user terminal arrives at；
Advisory information is formed, which is best route.
Wherein, preferred version is that the monitoring method specifically includes following steps：
Cloud server is formed and reminded as a result, and being issued to arranged on the aobvious of highway one side according to the vehicle number and speed of vehicle
Show end；
Display end, which rolls to play, reminds result.
The present invention also provides a kind of monitoring system of highway, the monitoring system includes monitoring device, bluetooth/wifi gateway
And cloud server, the monitoring device include bluetooth module；The monitoring device obtains the highway and corresponds to vehicle on monitoring section
Vehicle number and speed, and pass through bluetooth/wifi gateway and be sent to cloud server, the cloud server is according to the data message of acquisition
It forms the traffic information of the highway and anti-congestion measure is formed according to traffic information.
Wherein, preferred version is that the monitoring system further includes the management terminal of toll station, the cloud server
According to the vehicle number and speed of vehicle, form current limiting measures, and be issued to the management terminal of toll station, the management terminal according to
Current limiting measures, control allow by vehicle number.
Wherein, preferred version is that the monitoring system further includes user terminal, and the user's terminal obtains the geographical position of itself
It puts, speed and stroke, and is sent to cloud server, the cloud server is according to traffic information and the real-time letter of user terminal
Breath forms driving recommendations, and is issued to user terminal.
Wherein, preferred version is that the monitoring device includes middle control module and Doppler's microwave module, control module control in this
Doppler's microwave module processed obtains the vehicle number and speed of vehicle.
The beneficial effects of the present invention are compared with prior art, the present invention is by designing a kind of monitoring method of highway
And system, the road conditions of highway are monitored in real time, if having detected traffic jam, will traffic congestion information be sent to administrative department with
And user, the administrative department can go in time traffic congestion section dredged and user can be avoided according to prompting traffic congestion road
Section, prevents that traffic jam is even more serious；In addition, the present invention is equipped with bluetooth/wifi gateway, it can realize that remote information passes
It passs, avoids the long limitation in section；In addition, the present invention is equipped with Doppler's microwave module, the vehicle on highway can be accurately obtained
Speed and vehicle number, so as to draw accurate result.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the FB(flow block) of monitoring method of the present invention；
Fig. 2 is the FB(flow block) that the present invention forms anti-congestion measure；
Fig. 3 is the further FB(flow block) of monitoring method；
Fig. 4 is the FB(flow block) that the present invention forms driving recommendations；
Fig. 5 is the FB(flow block) that the present invention forms advisory information；
Fig. 6 is the further FB(flow block) of monitoring method of the present invention；
Fig. 7 is the structure diagram of monitoring system of the present invention；
Fig. 8 is the structure diagram of management terminal of the present invention；
Fig. 9 is the structure diagram of user terminal of the present invention；
Figure 10 is the structure diagram of monitoring device of the present invention.
Specific embodiment
In conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figures 1 to 6, the present invention provides a kind of preferred embodiment of the monitoring method of highway.
Specifically, and with reference to figure 1, a kind of monitoring method of highway, the monitoring method specifically include following steps：
Step S10, by monitoring device, obtain the highway and correspond to the vehicle number and speed of vehicle on monitoring section, and pass through
Bluetooth/wifi gateway is sent to cloud server；
Step S20, the traffic information of the highway is formed according to the data message of acquisition；
Step S30, anti-congestion measure is formed according to traffic information.
Wherein, highway generally has the characteristics that stroke is long, it is necessary to which every highway divided monitoring section, the monitoring section across
500 meters, certainly, which becomes with the signal transmission distance of monitoring device；Then, monitoring device is placed in each monitoring section,
The monitoring device includes middle control module, Doppler's microwave module and bluetooth module, above-mentioned module and is mounted in a box body；Mould is controlled in this
Block control Doppler microwave module obtains the quantity of vehicle and the speed of each car, so as to judge whether the section is traffic congestion section.
Doppler's microwave module include microwave emitter, microwave receiver and microprocessor, the microwave emitter by antenna to
Emit microwave signal in monitoring section, when in monitoring section without mobile target, microwave signal frequency which receives
It is identical with emission signal frequency.When there is mobile target, due to Doppler effect, the microwave signal frequency of target reflection will occur
Offset, the microprocessor is by analysis to obtain the speed of the quantity of vehicle and each car.
In the present embodiment, which can set one at interval of 5 kilometers, and certainly, the spacing distance is not only
One, it can set with actual conditions, not limit herein；The middle control module of a certain monitoring section controls bluetooth module by the vehicle in this section
Quantity and the speed of each car be sent to the bluetooth module of next monitoring section, after transmitting data successively, closing on bluetooth/wifi
In the monitoring section of gateway, the speed of the quantity of vehicle and each car is sent to indigo plant by the middle control module control bluetooth module of the monitoring section
The rate conversion of the quantity of vehicle and each car is sent to high in the clouds for wifi signals and taken by tooth/wifi gateway, the bluetooth/wifi gateway
Business device, so as to fulfill the remote transmission of signal, solves the problems, such as that bluetooth module transmission range is short.
In detail, monitoring device obtains the quantity of vehicle and the speed of each car on highway, and monitoring device includes bluetooth
Module；The bluetooth module collects speed and vehicle number, and since the signal transmission distance between monitoring device only has hundreds of meters, distance is blue
The monitoring device of tooth/wifi gateway farther out can be by bluetooth module to nearer monitoring device transmission of monitoring data, and passes successively
Monitoring data are passed, until passing to bluetooth/wifi gateway, so as to solve the problems, such as signal transmission on highway by bluetooth module；
And pass through bluetooth/wifi gateway speed and vehicle number are converted into wifi signals and be sent to cloud server；The cloud server root
The traffic information of the highway is formed according to the data message of acquisition；Then, which forms anti-gather around according to traffic information
Stifled measure, avoids the further traffic congestion in traffic congestion section；Also, it can realize signal from ground to cloud by bluetooth/wifi gateway
The remote transmission at end.
Preferably, the bluetooth module is bluetooth 5.0mesh modules, and bluetooth 5.0mesh modules are directed to low power consuming devices,
There are wider array of coverage and faster transmission speed.
More specifically, and with reference to figure 2, described according to traffic information to form anti-congestion measure specifically further comprising the steps of：
Step S31, cloud server forms current limiting measures, and is issued to highway toll according to the vehicle number and speed of vehicle
The management terminal stood；
Step S32, management terminal is according to current limiting measures, control allow by vehicle number.
Wherein, the cloud server is according to speed and vehicle number, and whether section where judging is traffic congestion section, if so, being formed
Current limiting measures, the current limiting measures for avoid traffic congestion section further block up and can dredge as early as possible, control allow by vehicle
Number, and current limiting measures are issued to the management terminal of toll station and are issued to user terminal；Then, toll station
Management terminal according to current limiting measures, control allow by vehicle number；And user terminal obtains current limiting measures, avoids not allowing
The toll station of entrance.
Alternatively, current limiting measures are issued to the management terminal of administrative department, such as the management of Department of Communications by the cloud server
Terminal, Department of Communications can send traffic police to reach several crossings before traffic congestion section, according to current limiting measures near traffic congestion section
Crossing wagon flow is forbidden to import, and control after several crossings by vehicle number, so as to alleviate traffic congestion section traffic congestion situation.
Alternatively, current limiting measures are issued to the management terminal of administrative department, such as the management of Department of Communications by the cloud server
Terminal, the management terminal open highway administration pattern according to current limiting measures, traffic lights are controlled in tide section, if passing through traffic lights
And the section turned left is traffic congestion section, the mark turned left of management terminal control traffic lights does not work, so as to forbid vehicle
It turns left.
Further, and with reference to figure 3, the data message according to acquisition is formed after the traffic information of the highway,
It is specific further comprising the steps of：
Step S40, geographical location, speed and the stroke of user terminal are obtained, and is sent to cloud server；
Step S50, according to the real time information of traffic information and user terminal, driving recommendations are formed, and are issued to user's end
End.
Wherein, user can use user terminal in driving process, and the user's terminal is getting itself speed and ground
After managing position, speed and geographical location are sent to cloud server；Speed of the cloud server on highway is received and
After the speed and geographical location of vehicle number and user terminal, driving recommendations are formed, and driving recommendations are issued to user terminal,
The user's terminal gets around traffic congestion section according to driving recommendations, avoids the further traffic congestion in traffic congestion section.Above-mentioned steps are also anti-
Traffic congestion measure.
Further, and with reference to figure 4, the real time information according to traffic information and user terminal forms traveling and builds
View, and be issued to user terminal and specifically include following steps：
Step S51, cloud server receive vehicle vehicle number and the geographical location of speed and user terminal, speed and
Destination；
Step S52, according to the vehicle number and speed of vehicle, congested link is determined whether；
Step S531, if so, drawing the dredging time of congested link, and the geographical location according to user terminal and speed,
Show that user terminal reaches the arrival time of congested link, combined destination forms advisory information, and is issued to user terminal；
Alternatively, step S532, if it is not, formed through information, and be issued to user terminal.
Wherein, the cloud server receive vehicle quantity and each car speed and user terminal itself speed,
After managing position and destination, according to the velocity estimated of the quantity of vehicle and each car, whether the section is traffic congestion section, if so, drawing
The dredging time of congested link, and the speed according to user terminal and geographical location show that user terminal reaches congested link
Arrival time forms advisory information, and is issued to user terminal, and the user is detoured according to advisory information；If it is not, it is formed
By information, and user terminal is issued to, the user directly passes through place section.For example, user is when diverging crossing, the high in the clouds
Server can issue advisory information, and user is allowed to select optimal section, so as to avoid traffic congestion section, ensure that user's is smooth all the way
Row.
Yet further, and with reference to figure 5, the formation advisory information specifically includes following steps：
Step S5311, a plurality of route that user terminal arrives at is obtained；
Step S5312, advisory information is formed, which is best route.
Wherein, the user's terminal reports destination, which obtains user terminal position, draws user's end
Hold a plurality of route arrived at from position；Then, the cloud server select a best route, i.e., user terminal from
Position arrives at time-consuming shortest route, forms advisory information, and is issued to user terminal.
Again specifically, and with reference to figure 6, the data message according to acquisition is formed after the traffic information of the highway,
Specifically include following steps：
Step S60, cloud server is formed and reminded as a result, and being issued to arranged on highway one side according to speed and vehicle number
Display end；
Step S70, display end, which rolls to play, reminds result.
Wherein, which forms and reminds as a result, the prompting result is where traffic congestion section according to speed and vehicle number
Position, and it is issued to the display end arranged on highway one side；Then, which rolls to play and remind as a result, user can be according to sight
Display end is examined, obtains traffic congestion section position, traffic congestion section is avoided so as to selectivity.Above-mentioned steps are also that anti-traffic congestion is arranged
It applies.
In the present embodiment, street lamp is the luminaire of every highway indispensability, and for the ease of installation, the monitoring device is put
It puts on the street lamp of both sides of highway.
As shown in Figure 7 to 10, the present invention also provides a kind of preferred embodiments of the monitoring system of highway.
Specifically, and with reference to figure 7, a kind of monitoring system of highway, the monitoring system include monitoring device 10, bluetooth/
Wifi gateway 20 and cloud server 30, the monitoring device 10 include bluetooth module 11；The monitoring device 10 obtains the highway
The vehicle number and speed of vehicle on corresponding monitoring section, and pass through bluetooth/wifi gateway 20 and be sent to cloud server 30, high in the clouds clothes
Business device 30 forms the traffic information of the highway and form anti-congestion according to traffic information according to the data message of acquisition arranges
It applies.
Further, and with reference to figure 8, the monitoring system further includes the management terminal 40 of toll station, the high in the clouds
Server 30 forms current limiting measures, and is issued to the management terminal 40 of toll station, the pipe according to the vehicle number and speed of vehicle
Terminal 40 is managed according to current limiting measures, control allow by vehicle number.
Yet further, and with reference to figure 9, the monitoring system further includes user terminal 50, and the user's terminal 50 is obtained from
Geographical location, speed and the stroke of body, and cloud server 30 is sent to, the cloud server 30 is according to traffic information and user
The real time information of terminal forms driving recommendations, and is issued to user terminal 50.
Wherein, and with reference to figure 10, the monitoring device 10 includes middle control module 12 and Doppler's microwave module 13, controls in this
Module 12 controls the vehicle number and speed of 13 acquisition vehicle of Doppler's microwave module, which collects speed and vehicle number, by
Signal transmission distance between monitoring device 10 only has hundreds of meters, apart from the monitoring device 10 of bluetooth/wifi gateway 20 farther out
Can be by bluetooth module 11 to nearer 10 transmission of monitoring data of monitoring device, and monitoring data are transferred successively, until passing to
Bluetooth/wifi gateway 20, so as to solve the problems, such as signal transmission on highway by bluetooth module 11；And pass through bluetooth/wifi network
Speed and vehicle number are converted to wifi signals and are sent to cloud server 30 by pass 20, remote from ground to high in the clouds so as to fulfill signal
Distance Transmission；The cloud server 30 forms the traffic information of the highway and according to road conditions according to the data message of acquisition
Information forms anti-congestion measure and is sent to management terminal 40, the management terminal 40 according to current limiting measures, control allow by
Vehicle number；The cloud server 30 forms driving recommendations, and is issued to use according to the real time information of traffic information and user terminal 50
Family terminal 50, the user's terminal 50 get around traffic congestion section according to driving recommendations.
In conclusion the foregoing is merely a prefered embodiment of the invention, it is not intended to limit the scope of the present invention.
Any modification made within the spirit and principles of the invention, equivalent substitution, improve etc., it should be included in the guarantor of the present invention
In the range of shield.
Claims (10)
1. a kind of monitoring method of highway, which is characterized in that multiple monitoring devices based on Bluetooth transmission are provided on highway,
The monitoring method specifically includes following steps：
By monitoring device, obtain the highway and correspond to the vehicle number and speed of vehicle on monitoring section, and pass through bluetooth/wifi gateway
It is sent to cloud server；
Also, the traffic information of the highway is formed according to the data message of acquisition；
And anti-congestion measure is formed according to traffic information.
2. monitoring method according to claim 1, which is characterized in that the monitoring method specifically includes following steps：
Cloud server forms current limiting measures, and is issued to the management terminal of toll station according to the vehicle number and speed of vehicle；
Management terminal according to current limiting measures, control allow by vehicle number.
3. monitoring method according to claim 1 or 2, which is characterized in that the monitoring method specifically includes following steps：
Geographical location, speed and the stroke of user terminal are obtained, and is sent to cloud server；
And the real time information according to traffic information and user terminal, driving recommendations are formed, and are issued to user terminal.
4. monitoring method according to claim 3, which is characterized in that the monitoring method specifically includes following steps：
Cloud server receives the vehicle number and geographical location of speed and user terminal, the speed and destination of vehicle；
According to the vehicle number and speed of vehicle, congested link is determined whether；If so, draw the dredging time of congested link, and root
Geographical location and speed according to user terminal show that user terminal reaches the arrival time of congested link, and combined destination is formed
Advisory information, and it is issued to user terminal；If it is not, being formed through information, and it is issued to user terminal.
5. monitoring method according to claim 4, which is characterized in that the monitoring method specifically includes following steps：
Obtain a plurality of route that user terminal arrives at；
Advisory information is formed, which is best route.
6. monitoring method according to claim 3, which is characterized in that the monitoring method specifically includes following steps：
Cloud server is formed and reminded as a result, and being issued to the display end arranged on highway one side according to the vehicle number and speed of vehicle；
Display end, which rolls to play, reminds result.
7. a kind of monitoring system of highway, it is characterised in that：The monitoring system include monitoring device, bluetooth/wifi gateway and
Cloud server, the monitoring device include bluetooth module；The monitoring device obtains the vehicle that the highway corresponds to vehicle on monitoring section
Number and speed, and pass through bluetooth/wifi gateway and are sent to cloud server, and the cloud server is according to the data message shape of acquisition
Anti- congestion measure is formed into the traffic information of the highway and according to traffic information.
8. monitoring system according to claim 7, it is characterised in that：The monitoring system further includes the pipe of toll station
Terminal is managed, the cloud server forms current limiting measures, and be issued to the pipe of toll station according to the vehicle number and speed of vehicle
Manage terminal, the management terminal according to current limiting measures, control allow by vehicle number.
9. the monitoring system according to claim 7 or 8, it is characterised in that：The monitoring system further includes user terminal, should
User terminal obtains itself geographical location, speed and stroke, and is sent to cloud server, and the cloud server is according to road conditions
The real time information of information and user terminal forms driving recommendations, and is issued to user terminal.
10. system according to claim 9, it is characterised in that：The monitoring device includes middle control module and Doppler is micro-
Ripple module controls vehicle number and speed that module control Doppler microwave module obtains vehicle in this.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066382.8A CN108053672A (en) | 2017-11-02 | 2017-11-02 | The monitoring method and system of a kind of highway |
| PCT/CN2018/073456 WO2019085284A1 (en) | 2017-11-02 | 2018-01-19 | Road monitoring method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066382.8A CN108053672A (en) | 2017-11-02 | 2017-11-02 | The monitoring method and system of a kind of highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108053672A true CN108053672A (en) | 2018-05-18 |
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ID=62119383
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711066382.8A Pending CN108053672A (en) | 2017-11-02 | 2017-11-02 | The monitoring method and system of a kind of highway |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108053672A (en) |
| WO (1) | WO2019085284A1 (en) |
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| CN108550275A (en) * | 2018-06-01 | 2018-09-18 | 青岛理工大学 | Local vehicle guidance system for road construction |
| CN111739298A (en) * | 2020-06-09 | 2020-10-02 | 孔祥真 | Service system for solving road congestion |
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| CN102201164A (en) * | 2010-03-23 | 2011-09-28 | 江苏云联科技有限公司 | Self-adapting quick response system for urban traffic congestion |
| CN102208134A (en) * | 2010-03-31 | 2011-10-05 | 中兴智能交通（无锡）有限公司 | Method and system for highway information service |
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| CN101789187B (en) * | 2010-02-09 | 2012-05-09 | 中山市伊达科技有限公司 | Real-time interactive GPS electronic dog device based on GPRS/GSM network and real-time traffic guidance system |
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| US20020194016A1 (en) * | 2001-06-13 | 2002-12-19 | Fujitsu Limited | Safe driving support system |
| CN102201164A (en) * | 2010-03-23 | 2011-09-28 | 江苏云联科技有限公司 | Self-adapting quick response system for urban traffic congestion |
| CN102208134A (en) * | 2010-03-31 | 2011-10-05 | 中兴智能交通（无锡）有限公司 | Method and system for highway information service |
| CN102176284A (en) * | 2011-01-27 | 2011-09-07 | 深圳市美赛达科技有限公司 | System and method for analyzing and determining real-time road condition information based on global positioning system (GPS) terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108550275A (en) * | 2018-06-01 | 2018-09-18 | 青岛理工大学 | Local vehicle guidance system for road construction |
| CN108550275B (en) * | 2018-06-01 | 2021-05-18 | 青岛理工大学 | Local vehicle guidance system for road construction |
| CN111739298A (en) * | 2020-06-09 | 2020-10-02 | 孔祥真 | Service system for solving road congestion |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019085284A1 (en) | 2019-05-09 |
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Application publication date: 20180518 |
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