CN107085958A - A kind of information issues timely information issuing system - Google Patents
A kind of information issues timely information issuing system Download PDFInfo
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- CN107085958A CN107085958A CN201710489341.3A CN201710489341A CN107085958A CN 107085958 A CN107085958 A CN 107085958A CN 201710489341 A CN201710489341 A CN 201710489341A CN 107085958 A CN107085958 A CN 107085958A
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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
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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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
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Abstract
Timely information issuing system is issued the invention provides a kind of information, including traffic control center, LED warning signs and vehicle-mounted radio, the traffic control center is used for distributing traffic information, the LED warning signs are used to show the transport information of the traffic control center issue and are launched the information after frequency modulation, and the vehicle-mounted radio is used for the FM signal for receiving the LED warning signs transmitting.Beneficial effects of the present invention are：Information issue is timely, carries out dual prompting by LED warning signs and vehicle-mounted radio, user can preferably obtain information.
Description
Technical field
The present invention relates to information publishing technology field, and in particular to a kind of information issues timely information issuing system.
Background technology
Traffic congestion has become the big problem of restriction urban society economic development.The appearance of traffic congestion, largely
On be due to that traffic participant does not know about real-time Traffic Information, it is impossible to obtain timely and effectively traffic guiding.And traffic
Information issuing system the public into trip provide real-time dynamic information, is conducive to reasonable distribution traffic flow, alleviation to gather around
Stifled situation, it has also become solve traffic efficiency and improve the effective way of mobility.But, current information issuing system user is not
Information can be obtained in time.
The content of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of information issues timely information issuing system.
The purpose of the present invention is realized using following technical scheme：
There is provided a kind of information issue timely information issuing system, including traffic control center, LED warning signs and vehicle-mounted
Radio, the traffic control center is used for distributing traffic information, and the LED warning signs are used to show the traffic control center
The transport information of issue is simultaneously launched the information after frequency modulation, and the vehicle-mounted radio is used to receive the LED warning signs
The FM signal of transmitting.
Beneficial effects of the present invention are：Information issue is timely, and dual carry is carried out by LED warning signs and vehicle-mounted radio
Show, user can preferably obtain information.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Reference：
Traffic control center 1, LED warning signs 2, vehicle-mounted radio 3.
Embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, a kind of information issue of the present embodiment timely information issuing system, including traffic control center 1,
LED warning signs 2 and vehicle-mounted radio 3, the traffic control center 1 are used for distributing traffic information, and the LED warning signs 2 are used for
Show the transport information of the issue of traffic control center 1 and launched the information after frequency modulation, the vehicle-mounted radio 3
For receiving the FM signal that the LED warning signs 2 are launched.
The issue of the present embodiment information is timely, carries out dual prompting by LED warning signs and vehicle-mounted radio, user can be more
Good acquisition information.
It is preferred that, the traffic control center 1 is connected with the LED warning signs 2 by mobile network, the LED warnings
Board 2 is connected by FM signal with the vehicle-mounted radio 3.
This preferred embodiment realizes traffic control center and LED warning signs, between LED warning signs and vehicle-mounted radio
Snap information is propagated.
It is preferred that, the mobile network is 2G networks or 2G networks or 4G networks.
This preferred embodiment can be realized effectively in the regional and advanced area that mobile network more falls behind.
It is preferred that, the traffic control center 1 includes the first traffic data and obtains system, the second traffic behavior monitoring system
With the 3rd traffic information distribution system, first traffic data obtain system be used to being acquired traffic data, store and
Processing, the second traffic behavior monitoring system is used to export the traffic having occurred and that on road according to the traffic data after processing
Event, have occurred and that with imminent traffic congestion information, the 3rd traffic information distribution system be used for issue second hand over
The information of logical condition monitoring system output；First traffic data, which obtains system, includes the first vehicle detection module and the second car
Detection module, first vehicle detection module is used to obtain traffic flow data and handle it, second car
Detection module is used to obtain car number, vehicle location, instantaneous velocity and positioning time and handle it.
This preferred embodiment traffic control center carries out traffic data acquisition and processing by multiple data sources, adds number
According to coverage, improve the monitoring capability of system, realize the accurate measurements and real-time release of traffic behavior.
It is preferred that, first vehicle detection module includes single treatment submodule and after-treatment submodule, described one
Secondary processing submodule carries out data processing to single place wagon detector, to losing data, wrong data and abnormal traffic
Status data is identified and repaired, and the after-treatment submodule is handled the data of continuous multiple wagon detectors,
The fault data for violating upstream and downstream detection sectional plane data on flows conservation is identified and repaired；
The fault data of described pair of violation upstream and downstream detection sectional plane data on flows conservation is identified, specifically using following
Step：Step 1, section upstream and downstream detection sectional plane data on flows is accumulated, make PJ (x1,tn) and PJ (x2,tn) difference table
Show t1~tnPeriod enters and leaves detection sectional plane x1And x2Between section accumulation vehicle flow, wherein, In formula, q (x1,tk) and q (x2,tk)
Detection sectional plane x is represented respectively1And x2In tkThe flow rate at moment, Δ t represents the interval time at two moment；
Step 2, set up one-time detection function and secondary detection function, one-time detection function RU1For：Secondary detection function MH2For：
If meeting function RU1>=2 and MH2≤DTmax(x1,x2), then it is normal data, is fault data otherwise, in formula, DTmax
(x1,x2) represent detection sectional plane x1And x2The maximum driving vehicle that corresponding road section can be carried.
This preferred embodiment traffic control center sets the first vehicle detection module to single car detector and continuous many
The data of individual wagon detector are handled, and obtain more accurate detection data, wherein, after-treatment submodule is by building
Vertical one-time detection function and secondary detection function pair fault data are identified, and improve fault data detection level.
It is preferred that, the fault data of described pair of violation upstream and downstream detection sectional plane data on flows conservation is repaired, and is specifically adopted
Use following steps：Step 1, when the road network for having the continuous detection sectional planes of X violates upstream and downstream detection sectional plane data on flows conservation,
With the minimum object function of the quadratic sum of integrated flux adjusted value and observed difference, object function optimal solution is solved, pair cross-section tires out
Product data on flows is repaired, wherein：Object function is：Constraints
For：In formula, DTmax(i, i+1) represents i-th and i+1
The maximum driving vehicle that individual detection sectional plane corresponding road section can be carried, PJ (i, t) represents i-th of detection sectional plane t cumulative flow
Discharge observation value, PJA(i, t) and PJA(i+1 t) is represented i-th and the adjustment of i+1 detection sectional plane t integrated flux respectively
Value, PJA(i, t-1) represents i-th of detection sectional plane t-1 hours cumulative flow adjusted value；
Step 2, fault data is repaired：qA(i, t)=PJA(i,t)-PJA(i, t-1), in formula, qA(i,t)
Represent the data after i-th of detection sectional plane t reparation after repairing；
Step 3, the error rate function GT for defining wagon detector detection data： In formula, qA(j) traffic flow rate in j-th of sampling interval after repairing, q are representedR(j) represent to adopt for j-th
Sample interval traffic flow rate true value, M represents the quantity of sampling.
This preferred embodiment traffic control center sets after-treatment submodule, by setting up object function to fault data
Repaired, realize fault data and effectively repair, set up error function, periodically error rate is tested, it is ensured that traffic
The accuracy of data acquisition, ensure that the data after repairing are in available state.
It is preferred that, second vehicle detection module includes a position processing submodule and secondary velocity processing submodule
Block, the position processing submodule is used for the change in location data of rejecting abnormalities, and the secondary velocity processing submodule is used
In the instantaneous velocity data of rejecting abnormalities；
The change in location data of the rejecting abnormalities, specific setting first threshold function AY：AY=Δs Pmax(t)-Z-vh,max
[t (m)-t (m-1)], in formula, Δ Pmax(t) change in location higher limit is represented, Z represents that the vehicle positioning system circle of uncertainty is straight
Footpath, t (m) represents the positioning moment of current vehicle positioning system data, and t (m-1) represents determining for previous vehicle positioning system data
The position moment；If meeting AY>0, then data are rejected；
The instantaneous velocity data of the rejecting abnormalities, specific setting Second Threshold function FN：FN=Δs v- β, Δ v=vmax-
vh,max, in formula, β represents vehicle positioning system instantaneous velocity error, vmaxRepresent instantaneous velocity higher limit, vh,maxRepresent road
Road F-Zero；If meeting FN>0, then data are rejected.
This preferred embodiment traffic control center sets the second vehicle detection module to the instantaneous of vehicle positioning system exception
Speed data and change in location data are rejected, and can reduce the negative effect that abnormal data is brought, and are improved traffic data and are adopted
The accuracy of collection, is that information issuing system more preferably provides service and laid the foundation so as to improve the level monitoring of traffic control center.
Timely information issuing system distributing traffic information is issued using information of the present invention, 5 sections is chosen and is tested,
And compiled respectively as the first section, the second section, the 3rd section, the 4th section and the 5th section, information is issued cost and
User satisfaction is counted, compared compared with information issuing system, and generation is had the beneficial effect that shown in table：
| Information issue cost reduction | User satisfaction is improved | |
| First section | 21% | 18% |
| Second section | 25% | 20% |
| 3rd section | 22% | 21% |
| 4th section | 27% | 16% |
| 5th section | 20% | 17% |
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to present invention guarantor
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (8)
1. a kind of information issue timely information issuing system, it is characterised in that including traffic control center, LED warning signs and
Vehicle-mounted radio, the traffic control center is used for distributing traffic information, and the LED warning signs are used to show the traffic administration
The transport information of center issue is simultaneously launched the information after frequency modulation, and the vehicle-mounted radio is used to receive the LED polices
Show the FM signal of board transmitting.
2. information according to claim 1 issues timely information issuing system, it is characterised in that in the traffic administration
The heart is connected with the LED warning signs by mobile network, and the LED warning signs are connected by FM signal and the vehicle-mounted radio
Connect.
3. information according to claim 2 issue timely information issuing system, it is characterised in that the mobile network is
2G networks or 2G networks or 4G networks.
4. information according to claim 3 issues timely information issuing system, it is characterised in that in the traffic administration
Pericardium includes the first traffic data and obtains system, the second traffic behavior monitoring system and the 3rd traffic information distribution system, and described the
One traffic data, which obtains system, to be used to be acquired traffic data, store and handle, the second traffic behavior monitoring system
For exporting the traffic events being had occurred and that on road according to the traffic data after processing, having occurred and that and imminent traffic
Congestion information, the 3rd traffic information distribution system is used for the information for issuing the output of the second traffic behavior monitoring system；It is described
First traffic data, which obtains system, includes the first vehicle detection module and the second vehicle detection module, the first vehicle detection mould
Block is used to obtain traffic flow data and handle it, and second vehicle detection module is used to obtain car number, car
Position, instantaneous velocity and positioning time are simultaneously handled it.
5. information according to claim 4 issues timely information issuing system, it is characterised in that the first vehicle inspection
Surveying module includes single treatment submodule and after-treatment submodule, and the single treatment submodule is to single place vehicle detection
Device carries out data processing, is identified and repairs to losing data, wrong data and abnormal traffic status data, described secondary
Processing submodule is handled the data of continuous multiple wagon detectors, is guarded violating upstream and downstream detection sectional plane flow number
Permanent fault data is identified and repaired；
The fault data of described pair of violation upstream and downstream detection sectional plane data on flows conservation is identified, specifically using following steps：
Step 1, section upstream and downstream detection sectional plane data on flows is accumulated, make PJ (x1,tn) and PJ (x2,tn) t is represented respectively1~
tnPeriod enters and leaves detection sectional plane x1And x2Between section accumulation vehicle flow, wherein, In formula, q (x1,tk) and q (x2,tk)
Detection sectional plane x is represented respectively1And x2In tkThe flow rate at moment, Δ t represents the interval time at two moment；
Step 2, set up one-time detection function and secondary detection function, one-time detection function RU1For：
Secondary detection function MH2For：
If meeting function RU1>=2 and MH2≤DTmax(x1,x2), then it is normal data, is fault data otherwise, in formula, DTmax
(x1, x2) represent detection sectional plane x1And x2The maximum driving vehicle that corresponding road section can be carried.
6. information according to claim 5 issues timely information issuing system, it is characterised in that in described pair of violation,
The fault data of detected downstream section data on flows conservation is repaired, specifically using following steps：Step 1, when there is X continuous
When the road network of detection sectional plane violates upstream and downstream detection sectional plane data on flows conservation, with integrated flux adjusted value and observed difference
The minimum object function of quadratic sum, solves object function optimal solution, and pair cross-section integrated flux data are repaired, wherein：Target
Function is：Constraints is：
In formula, DTmax(i, i+1) represents i-th and i+1
The maximum driving vehicle that individual detection sectional plane corresponding road section can be carried, PJ (i, t) represents i-th of detection sectional plane t cumulative flow
Discharge observation value, PJA(i, t) and PJA(i+1 t) is represented i-th and the adjustment of i+1 detection sectional plane t integrated flux respectively
Value, PJA(i, t-1) represents i-th of detection sectional plane t-1 hours cumulative flow adjusted value；
Step 2, fault data is repaired：qA(i, t)=PJA(i,t)-PJA(i, t-1), in formula, qA(i, t) is represented
The data after the reparation of i-th of detection sectional plane t after reparation；
Step 3, the error rate function GT for defining wagon detector detection data： In formula, qA(j) traffic flow rate in j-th of sampling interval after repairing, q are representedR(j) represent to adopt for j-th
Sample interval traffic flow rate true value, M represents the quantity of sampling.
7. information according to claim 6 issues timely information issuing system, it is characterised in that the second vehicle inspection
Surveying module includes a position processing submodule and secondary velocity processing submodule, and the position processing submodule is used to pick
Except abnormal change in location data, the secondary velocity processing submodule is used for the instantaneous velocity data of rejecting abnormalities.
8. information according to claim 7 issues timely information issuing system, it is characterised in that the rejecting abnormalities
Change in location data, specific setting first threshold function AY：AY=Δs Pmax(t)-Z-vh,max[t (m)-t (m-1)], in formula
In, Δ Pmax(t) change in location higher limit is represented, Z represents vehicle positioning system error circular diameter, and t (m) represents current vehicle-mounted fixed
At the positioning moment of position system data, t (m-1) represents the positioning moment of previous vehicle positioning system data；If meeting AY>0, then it is right
Data are rejected；
The instantaneous velocity data of the rejecting abnormalities, specific setting Second Threshold function FN：FN=Δs v- β, Δ v=vmax-
vh,max, in formula, β represents vehicle positioning system instantaneous velocity error, vmaxRepresent instantaneous velocity higher limit, vh,maxRepresent road
Road F-Zero；If meeting FN>0, then data are rejected.
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| CN201710489341.3A CN107085958A (en) | 2017-06-24 | 2017-06-24 | A kind of information issues timely information issuing system |
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| CN201710489341.3A CN107085958A (en) | 2017-06-24 | 2017-06-24 | A kind of information issues timely information issuing system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436346A (en) * | 2007-11-20 | 2009-05-20 | 孙少炜 | Traffic intelligent management system and method |
| CN101834681A (en) * | 2010-03-16 | 2010-09-15 | 北京交通大学 | Real-time traffic information distribution system based on frequency modulation broadcast |
| CN102169630A (en) * | 2011-03-31 | 2011-08-31 | 上海电科智能系统股份有限公司 | Quality control method of road continuous traffic flow data |
| CN203260191U (en) * | 2013-03-29 | 2013-10-30 | 苏州数伦科技有限公司 | Traffic monitoring and management system |
| CN103680181A (en) * | 2012-09-24 | 2014-03-26 | 天津开发区晟泰科技开发有限公司 | Information issuing system |
| US20160071412A1 (en) * | 2014-09-05 | 2016-03-10 | Purdue Research Foundation | Methods and systems for real-time advanced congestion identification and warning |
| CN105528902A (en) * | 2014-10-27 | 2016-04-27 | 青岛金讯网络工程有限公司 | Information issuing system |
-
2017
- 2017-06-24 CN CN201710489341.3A patent/CN107085958A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436346A (en) * | 2007-11-20 | 2009-05-20 | 孙少炜 | Traffic intelligent management system and method |
| CN101834681A (en) * | 2010-03-16 | 2010-09-15 | 北京交通大学 | Real-time traffic information distribution system based on frequency modulation broadcast |
| CN102169630A (en) * | 2011-03-31 | 2011-08-31 | 上海电科智能系统股份有限公司 | Quality control method of road continuous traffic flow data |
| CN103680181A (en) * | 2012-09-24 | 2014-03-26 | 天津开发区晟泰科技开发有限公司 | Information issuing system |
| CN203260191U (en) * | 2013-03-29 | 2013-10-30 | 苏州数伦科技有限公司 | Traffic monitoring and management system |
| US20160071412A1 (en) * | 2014-09-05 | 2016-03-10 | Purdue Research Foundation | Methods and systems for real-time advanced congestion identification and warning |
| CN105528902A (en) * | 2014-10-27 | 2016-04-27 | 青岛金讯网络工程有限公司 | Information issuing system |
Non-Patent Citations (2)
| Title |
|---|
| 李琦: "基于多源数据的交通状态监测与预测方法研究", 《中国博士学位论文全文数据库信息科技辑》 * |
| 王英会: "高速公路交通流异常数据识别及修复方法研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
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