CN102176284B - System and method for analyzing and determining real-time road condition information based on global positioning system (GPS) terminal - Google Patents
System and method for analyzing and determining real-time road condition information based on global positioning system (GPS) terminal Download PDFInfo
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Abstract
The invention provides a system for analyzing and determining real-time road condition information based on a global positioning system (GPS) terminal, which solves the technical problems of incomplete collected traffic road condition information, inaccurate determination and disadvantage to early traffic road condition prediction in the prior art. To solve the technical problems, the invention mainly adopts the technical scheme that: the system mainly comprises a GPS terminal, a wireless mobile communication network and a server which analyzes and determines the real-time road condition information. The system provided by the invention can actively collect, analyzes and determines the real-time road condition information, and accurately transmits the real-time road condition information to a vehicular GPS terminal in real time. The invention also provides a method for analyzing and determining the real-time road condition information based on a GPS terminal.
Description
[technical field]
The present invention relates to the information acquiring technology of communication field, relate in particular to a kind of system to real-time road condition information analysis judgement based on GPS terminal.
The invention still further relates to a kind of method to real-time road condition information analysis judgement based on GPS terminal.
[background technology]
Along with socioeconomic development, the growth rate of vehicle fleet size obviously will cause urban road to block up seriously in peak period on and off duty higher than the construction speed of road, particularly in bustling section, blocks up even more serious.People are accommodating in order to go out, and the GPS terminal of usining leads people to select nearest route to advance as instrument, and sometimes, jam situation often appears in nearest route, although this just causes distance, is nearest, but the time of travelling is the longest.So just need GPS terminal automatically to select unimpeded road according to the ruuning situation of road, and then select suitable route to lead people to drive.
Current road traffic operation information collection mainly contains following approach:
1, by being arranged on the camera at crossing, shoot the vehicle congestion situation of each road, and go to system the inside by manual entry, the drawback of processing is like this that manual entry speed is slow, so cause data age not strong;
2, by being arranged on the ground induction coil of traffic light intersection, count the vehicle fleet size of process in regular hour section, thereby judge the vehicle flowrate in this section, higher owing to burying the cost of ground induction coil underground, so if count the vehicle congestion situation in each section, can make the cost of whole system very high;
3, by a button is set in GPS terminal, human pilot is when traffic gets congestion, press this button and the positional information of this GPS terminal and the section congestion information that is positioned at this position can be reported to server, because people is the uncertainty reporting, caused data to be forbidden.Because sometimes obviously in congestion, but fewer in number due to what report, system still thinks that road is unimpeded.
A kind of traffic intersection harvester based on GPRS is disclosed in the Chinese utility model patent that is 200720028321.8 in the patent No., comprise: microprocessor unit is connected with GSM/GPRS communication unit by GSM/GPRS communication unit interface, microprocessor unit is also communicated and is connected with GPS positioning unit by GPS positioning unit interface.For automatic dynamic, gather the dynamic road congestion information of city and highway, system is the speed of collection vehicle at any time, when running velocity is lower than certain limit value, surpass the regular hour, can think that this section gets congestion, system communicates information to control center by GPRS, control center analyzes by comprehensive, draw congestion in road situation relatively accurately, by phone or by the traffic distributing device based on GPRS, offer user.But this technology still comes with some shortcomings, such as owing to judging that the situation whether road blocks up is completed by this harvester, and the data-handling capacity of this harvester is limited, can not carry out fast processing to large-scale data; And only by speed and time in low speed of vehicle, judge that whether this section blocks up itself is also inaccurate, obviously this inaccurate data message is sent to control center, then also will give control center analyzes, be confirmed whether it is accurately, this process is more loaded down with trivial details, simultaneously owing to being a kind of traffic route congestion information collection of passive type, so be unfavorable for predicting in advance the situation of traffic congestion.
For solving above-mentioned the deficiencies in the prior art, the present invention proposes a kind of new technical scheme.
[summary of the invention]
For the traffic information collection existing in solution prior art is comprehensive, judge inaccurate, to be unfavorable for predicting in advance traffic technical matters, the invention provides a kind of active real-time road condition information collection, analyze the system that real-time road condition information analysis is judged based on GPS terminal that judgement processing is accurate, be real-time transmitted to GPS terminal.Meanwhile, the present invention also provides a kind of method to real-time road condition information analysis judgement based on GPS terminal.
For solving the problems of the technologies described above, the present invention mainly takes following technical scheme:
The system to real-time road condition information analysis judgement based on GPS terminal, GPS terminal, for gathering real-time road condition information and receiving wireless signal; Mobile radio networks, for transmitting wireless signals; Server, for the real-time road condition information receiving is analyzed to judgement, draws the traffic circulation situation of GPS terminal present position.
Further, described GPS terminal comprises: information acquisition module, for obtaining the real-time road condition information of GPS terminal; Wireless communication module, for described real-time road condition information is sent to described server, or/and the analysis judged result of sending for receiving described server.
Further, described server comprises: information receiving module, for receiving the real-time road condition information being sent by GPS terminal; Judge module relatively, for judging road conditions by the pre-set traffic information threshold analysis of the real-time road condition information receiving and server; Information sending module, for sending to GPS terminal by the result of relatively judge module judgement.
As an optimal technical scheme of the present invention, wireless communication module is GPRS module or 3G module.
The method to real-time road condition information analysis judgement based on GPS terminal, comprises the following steps: the setting threshold step of setting traffic information threshold value in server; Obtain the information acquisition step of the real-time road condition information of GPS terminal; Described real-time road condition information is sent to the forwarding step of server; Server is analyzed the information processing step of the road conditions of this GPS terminal present position of judgement according to described real-time road condition information; Result in above-mentioned information processing step is sent back to the step of beaming back of GPS terminal.
Above-mentioned real-time road condition information comprises: the quantity m of the GPS terminal identical with described GPS fast mobile terminal direction within the scope of 1000 meters of this GPS terminal present positions; The speed limit V in all GPS moving velocity of terminal V and all GPS terminals section of living in
x, runway quantity; Traffic lights operation conditions within the scope of 1000 meters of this GPS terminal present positions.
In above-mentioned setting threshold step, traffic information threshold value comprises block up traffic information threshold value and unimpeded traffic information threshold value; The described traffic information threshold value of blocking up comprises near GPS terminal present position that the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction in 1000 meters is that the threshold value of the translational speed V of M and described GPS terminal is this GPS terminal section of living in speed limit V
xx%;
Described unimpeded traffic information threshold value be near GPS terminal present position within the scope of 1000 meters the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction be that the translational speed V of N and described GPS terminal is this GPS terminal section of living in speed limit V
xy%.
Further, the amount threshold M of described GPS terminal is 100/track, and described X% is 30%; The amount threshold N of described GPS terminal is 50/track, and described Y% is 50%.
Further, described information processing step comprises:
If m > is M, V < X%V
x, and the traffic lights within the scope of 1000 meters of this GPS terminal present positions is green light, judges that this section is in the road conditions of blocking up;
If m < is N, V
m> Y%V
x, judge that this section is in unimpeded road conditions.
Further, described information processing step comprises:
If 100/track of m >, V < 30%V
x, and the traffic lights within the scope of 1000 meters of this GPS terminal present positions is green light, judges that this section is in the road conditions of blocking up;
If 50/track of m <, V
m> 50%V
x, judge that this section is in unimpeded road conditions.
Adopt of the present invention design be in, the task that analysis judgement section is blocked up is given server, because server has powerful processing power, various parameters can be loaded into and carry out complicated analysis, improve the accuracy of systematic analysis conclusion, and due to the not responsible judgement jam situation of GPS terminal, by server active analysis, so server can be according to the destination situation of each GPS terminal guidance, and the traffic conditions in each section of present stage is predicted the section that will get congestion in advance, thereby these information are sent to GPS terminal, further reduced the situation of traffic congestion.Adopt technical side GPS terminal 1 of the present invention, to select best traffic path, reduce the generation of the road conditions of blocking up.
[accompanying drawing explanation]
Fig. 1 is system composition diagram of the present invention;
Fig. 2 is a kind of preferred system composition diagram of the present invention.
Fig. 3 is the process flow diagram of the present invention to the collection of real-time road condition information, analysis;
[embodiment]
Below in conjunction with drawings and Examples, technical scheme of the present invention is explained in detail.
Please also refer to Fig. 1～3, Fig. 1 is system composition diagram of the present invention; Fig. 2 is a kind of preferred system composition diagram of the present invention; Fig. 3 is the process flow diagram of the present invention to the collection of real-time road condition information, analysis.
As shown in Figure 1, the present invention also provides a kind of system to real-time road condition information analysis judgement based on GPS terminal, comprising: GPS terminal 1, for gathering real-time road condition information and receiving wireless signal; Mobile radio networks 2, for transmitting wireless signals; Server 3, for the real-time road condition information receiving is analyzed to judgement, draws the traffic circulation situation of GPS terminal 1 present position.
The course of work of this system is: the real-time road condition information being gathered by GPS terminal 1 sends to server 3 by mobile radio networks 2, by 3 pairs of real-time road condition informations of server, analyze judgement, and the result of judgement is sent to GPS terminal 1 by mobile radio networks 2, so that GPS terminal 1 is carried out the selection of route.Mainly to adopt 3 pairs of real-time road condition informations of server to analyze judgement in the present invention, rather than be responsible for judgement road conditions by GPS terminal 1, GPS terminal 1 just can be very fast like this sends real-time road condition information to server 3, server 3 also just can be processed data analysis in the very first time, judges in time result; , the more important thing is, server 3 has powerful data-handling capacity meanwhile, can carry out analyzing and processing fast to a large amount of real-time road condition informations, and fast the result of analyzing judgement is sent to GPS terminal 1; Due to server 3 active analysis, so server 3 can be judged the destination situation of each GPS terminal 1 navigation, and the traffic conditions in each section of present stage, and can make GPS terminal 1 predict in advance the section that will get congestion, thereby these information are sent to GPS terminal 1, so that GPS terminal 1 is selected more suitable route trip, further reduced the situation of traffic congestion.
As shown in Figure 2, as an optimal technical scheme of the present invention, the GPS terminal 1 in this system also comprises information acquisition module 11 and wireless communication module 12, and server 3 also comprises information receiving module 31, compares judge module 32, information sending module 33.GPS terminal 1 sends to server 3 by wireless communication module 12 by mobile radio networks 2 by the real-time road condition information of collection by information acquisition module 11, the information receiving module 31 of server 3 is used for receiving and collects real-time road condition information by GPS terminal 1, and transfer to comparison judge module 32 to analyze judgement to real-time road condition information, finally the information sending module 33 by server 3 sends to GPS terminal 1 by analysis judged result by mobile radio networks 2, by the wireless communication module 12 of GPS terminal 1, is received.
In the present invention, the wireless communication module 12 of GPS terminal 1 is GPRS module or 3G module, by GPRS module or 3G module by the running velocity of vehicle, the continual server 3 that sends to of positional information, server 3 is according to the road conditions in each section speed limit and each section in the Geographic Information System packing in advance in server 3 (such as red street lamp crossing), and the number of vehicles that can hold of each section, after various data in the real-time road condition information comprehensively receiving again, and then analyze the traffic circulation situation in this section.
The system to real-time road condition information analysis judgement based on GPS terminal 1 provided by the invention, can comprehensively to traffic information, carry out Real-time Collection, by the powerful data-handling capacity of server 3, can analyze in time, accurately the traffic of GPS terminal 1 present position, and the result of analysis is sent to GPS terminal 1, to select best traffic path, reduce the generation of the road conditions of blocking up.
As shown in Figure 3, the present invention also provides a kind of method to real-time road condition information analysis judgement based on GPS terminal 1, comprises step:
Pre-set traffic information threshold value in server 3; By the information acquisition module 11 of GPS terminal 1, obtain the real-time road condition information of GPS terminal 1; The real-time road condition information obtaining in previous step is sent to server 3; 3 pairs of real-time road condition informations of server are analyzed the road conditions of this GPS terminal 1 present position of judgement; Result in above-mentioned steps is sent back to GPS terminal 1.
In this technical scheme, adopt 3 pairs of real-time road condition informations that receive of server to analyze judgement, mainly because server 3 has powerful data-handling capacity, various parameters can be loaded into and carry out complicated analysis, improve the accuracy of systematic analysis conclusion, so server 3 can be according to the destination situation of each GPS terminal 1 navigation, and the traffic conditions in each section of present stage, and can make GPS terminal 1 predict in advance the section that will get congestion, thereby these information are sent to GPS terminal 1, further avoid or reduced the situation of traffic congestion.
Real-time road condition information mainly comprises the quantitative value m of GPS terminal 1 identical with described GPS fast mobile terminal direction within the scope of 1000 meters of this GPS terminal 1 present positions; The speed limit V in all GPS terminal 1 translational speed V and all GPS terminals 1 section of living in
x, runway quantity; Traffic lights operation conditions within the scope of 1000 meters of this GPS terminal 1 present positions.
In step 1, the traffic information threshold value of setting comprises block up traffic information threshold value and unimpeded traffic information threshold value.Wherein, the traffic information threshold value of blocking up comprises near GPS terminal 1 present position within the scope of 1000 meters that the quantitative value threshold value of the GPS terminal 1 identical with described GPS terminal 1 moving direction is M, and the threshold value of the translational speed V of described GPS terminal 1 is this GPS terminal 1 section of living in speed limit V
xx%;
Described unimpeded traffic information threshold value be near GPS terminal 1 present position within the scope of 1000 meters the quantitative value threshold value of the GPS terminal 1 identical with described GPS terminal 1 moving direction be N, and the threshold value of the translational speed V of described GPS terminal 1 is this GPS terminal 1 section of living in speed limit V
xy%.
When server 3 receives above-mentioned real-time road condition information, relatively judgement will be analyzed, to draw the traffic circulation situation of GPS terminal 1 present position, in the step of processing in aforementioned information, following analysis judgement will be specifically made:
Near the quantitative value m > M of the GPS terminal 1 identical with described GPS terminal 1 moving direction within the scope of GPS terminal 1 present position 1000 meters, the translational speed V < X%V of GPS terminal 1
x, and the traffic lights within the scope of 1000 meters of this GPS terminal 1 present positions is while being green light, is judged as the traffic information blocking up;
Near the quantitative value m < N of the GPS terminal 1 identical with described GPS terminal 1 moving direction within the scope of GPS terminal 1 present position 1000 meters, the translational speed V > Y%V of GPS terminal 1
x, be judged as unimpeded traffic information.
Can preset threshold value M is 100/track, and described X% is 30%; Described threshold value N is 50/track, and described Y% is 50%.Have:
As 100/track of m >, V < 30%V
xand the traffic lights within the scope of 1000 meters of this GPS terminal 1 present positions is while being green light, is judged as the traffic information blocking up;
As 50/track of m <, V > 50%V
xtime, be judged as unimpeded traffic information.
The above-mentioned method to real-time road condition information analysis judgement based on GPS terminal 1, mainly to utilize 3 pairs of real-time road condition informations that collect of server to analyze, and then judge the traffic circulation situation of GPS terminal 1 present position, due to GPS terminal 1 can be real-time to road conditions information, and sending to server 3, this just makes the traffic information that gathers more comprehensive, truly; Meanwhile, GPS terminal 1 does not participate in computing, further guarantees to send timely the information gathering, so that server 3 is analyzed judgement in the very first time; In addition, the more important thing is, adopt 3 pairs of real-time road condition informations that receive of server to analyze judgement, is mainly because server 3 has powerful data-handling capacity, various parameters can be loaded into and carry out complicated analysis, improve the accuracy of systematic analysis conclusion.And due to the not responsible judgement jam situation of GPS terminal 1, by server 3 active analysis, so server 3 can be according to the destination situation of each GPS terminal 1 navigation, and the traffic conditions in each section of present stage is predicted the section that will get congestion in advance, thereby these information are sent to GPS terminal 1, further reduce the situation of traffic congestion, be convenient to select more suitable route trip.
Claims (9)
1. the system to real-time road condition information analysis judgement based on GPS terminal, comprising:
GPS terminal, for gathering real-time road condition information and receiving wireless signal;
Mobile radio networks, for transmitting wireless signals; It is characterized in that, also comprise:
Server, for the real-time road condition information receiving is analyzed to judgement, draws the traffic circulation situation of GPS terminal present position;
Described server is also for setting traffic information threshold value, and described traffic information threshold value comprises block up traffic information threshold value and unimpeded traffic information threshold value; The described traffic information threshold value of blocking up comprises near GPS terminal present position that the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction in 1000 meters is that the threshold value of the translational speed V of M and described GPS terminal is this GPS terminal section of living in speed limit V
xx%;
Described unimpeded traffic information threshold value be near GPS terminal present position within the scope of 1000 meters the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction be that the translational speed V of N and described GPS terminal is this GPS terminal section of living in speed limit V
xy%;
Described server is also for according to the destination situation of described each GPS terminal guidance, and the traffic conditions in each section of present stage is predicted the section that will get congestion in advance.
2. the system to real-time road condition information analysis judgement based on GPS terminal according to claim 1, is characterized in that, described GPS terminal comprises:
Information acquisition module, for obtaining the real-time road condition information of GPS terminal;
Wireless communication module, for described real-time road condition information is sent to described server, and the analysis judged result of sending for receiving described server.
3. the system to real-time road condition information analysis judgement based on GPS terminal according to claim 1, is characterized in that, described server comprises:
Information receiving module, for receiving the real-time road condition information being sent by GPS terminal;
Judge module relatively, for judging road conditions by the pre-set traffic information threshold analysis of the real-time road condition information receiving and server;
Information sending module, for sending to GPS terminal by the result of relatively judge module judgement.
4. the system to real-time road condition information analysis judgement based on GPS terminal according to claim 2, is characterized in that, described wireless communication module is GPRS module or 3G module.
5. the method to real-time road condition information analysis judgement based on GPS terminal, is characterised in that, comprises the following steps:
Set the setting threshold step of traffic information threshold value in server;
Obtain the information acquisition step of the real-time road condition information of GPS terminal;
Described real-time road condition information is sent to the forwarding step of server;
Server is analyzed the information processing step of the road conditions of this GPS terminal present position of judgement according to described real-time road condition information;
Result in above-mentioned information processing step is sent to the forwarding step of GPS terminal;
Server is according to the destination situation of each GPS terminal guidance, and the traffic conditions in each section of present stage is predicted the step in the section that will get congestion in advance;
In described setting threshold step, traffic information threshold value comprises block up traffic information threshold value and unimpeded traffic information threshold value; The described traffic information threshold value of blocking up comprises near GPS terminal present position that the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction in 1000 meters is that the threshold value of the translational speed V of M and described GPS terminal is this GPS terminal section of living in speed limit V
xx%;
Described unimpeded traffic information threshold value be near GPS terminal present position within the scope of 1000 meters the amount threshold of the GPS terminal identical with described GPS fast mobile terminal direction be that the translational speed V of N and described GPS terminal is this GPS terminal section of living in speed limit V
xy%.
6. the method to real-time road condition information analysis judgement based on GPS terminal according to claim 5, it is characterized in that, described real-time road condition information comprises: the quantity m of the GPS terminal identical with described GPS fast mobile terminal direction within the scope of 1000 meters of this GPS terminal present positions; The speed limit V in all GPS moving velocity of terminal V and all GPS terminals section of living in
x, runway quantity; Traffic lights operation conditions within the scope of 1000 meters of this GPS terminal present positions.
7. method according to claim 5, is characterized in that, the amount threshold M of described GPS terminal is 100/track, and described X% is 30%; The amount threshold N of described GPS terminal is 50/track, and described Y% is 50%.
8. the method to real-time road condition information analysis judgement based on GPS terminal according to claim 5, it is characterized in that, described " server is analyzed the information processing step of the road conditions of this GPS terminal present position of judgement according to described real-time road condition information " comprising:
If m>M, V<X%V
x, and the traffic lights within the scope of 1000 meters of this GPS terminal present positions is green light, judges that this section is in the road conditions of blocking up;
If m<N, V>Y%V
x, judge that this section is in unimpeded road conditions.
9. the method to real-time road condition information analysis judgement based on GPS terminal according to claim 7, it is characterized in that, described " server is analyzed the information processing step of the road conditions of this GPS terminal present position of judgement according to described real-time road condition information " comprising:
If m>100/track, V<30%V
x, and the traffic lights within the scope of 1000 meters of this GPS terminal present positions is green light, judges that this section is in the road conditions of blocking up;
If m<50/track, V>50%V
x, judge that this section is in unimpeded road conditions.
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| CN101344991B (en) * | 2008-09-03 | 2012-02-01 | 华为技术有限公司 | Method, device and system for providing road information |
| CN101917469A (en) * | 2010-08-03 | 2010-12-15 | 天津中启创科技有限公司 | Vehicle-oriented network service system and method |
| CN101958052B (en) * | 2010-09-25 | 2012-05-23 | 浙江工业大学 | GPS (Global Position System) based traffic flow and road jamming detection system |
-
2011
- 2011-01-27 CN CN201110029670.2A patent/CN102176284B/en not_active Expired - Fee Related
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