CN102411841A - Method and device for processing traffic road condition data - Google Patents
Method and device for processing traffic road condition data Download PDFInfo
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- CN102411841A CN102411841A CN2011102172422A CN201110217242A CN102411841A CN 102411841 A CN102411841 A CN 102411841A CN 2011102172422 A CN2011102172422 A CN 2011102172422A CN 201110217242 A CN201110217242 A CN 201110217242A CN 102411841 A CN102411841 A CN 102411841A
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Abstract
The embodiment of the invention discloses a method and device for processing traffic road condition data, relates to the field of processing of traffic road condition information and is invented for improving the accuracy of acquired traffic road condition information. The method comprises the following steps of: acquiring first traffic road condition data according to real-time data from a radio frequency sensor arranged on a target road section; acquiring second traffic road condition data according to real-time data from a floating vehicle on the target road section; and processing the first traffic road condition data and the second traffic road condition data to acquire target traffic road condition data of the target road section. The embodiment of the invention is mainly used in traffic systems.
Description
Technical field
The present invention relates to the traffic information process field, relate in particular to a kind of disposal route and device of traffic road condition data.
Background technology
In the last few years, Floating Car technology owing to have advantage such as cover a wide range, real-time is good had become one of advanced technology means of obtaining traffic information.Its ultimate principle is: through being installed in GPS (the Global Positioning System on the Floating Car; GPS) information such as the position of this Floating Car of periodic logging, direction and speed; Using relevant computation model and algorithm such as map match, path culculating again handles; The position data and the urban road of Floating Car are associated on time and space, finally obtain this Floating Car the traffic congestion information such as driving hourage or average operating speed of road of process.
But the inventor finds; Utilize the Floating Car technology that following problem still is difficult to solve; For example, parallel road matching problem, signal lamp Time Calculation, make some highway section can't gather gps data etc., make that therefore the traffic information that utilizes the Floating Car technology to obtain is inaccurate because of buildings covers.
Summary of the invention
The embodiment of the invention provides a kind of disposal route and device of traffic road condition data, has improved the accuracy of obtaining traffic information.
The embodiment of the invention adopts following technical scheme:
A kind of disposal route of traffic road condition data comprises:
According to obtaining first traffic road condition data from the real time data of the radio frequency induction device on the target highway section;
According to obtaining second traffic road condition data from the real time data of the Floating Car on the said target highway section;
Said first traffic road condition data and said second traffic road condition data are handled, to obtain the target traffic road condition data in said target highway section.
A kind of treating apparatus of traffic road condition data comprises:
The first traffic road condition data acquiring unit is used for according to obtaining first traffic road condition data from the real time data of the radio frequency induction device on the target highway section;
The second traffic road condition data acquiring unit is used for according to obtaining second traffic road condition data from the real time data of the Floating Car on the said target highway section;
Target traffic road condition data acquiring unit is used for said first traffic road condition data and said second traffic road condition data are handled, to obtain the target traffic road condition data in said target highway section.
The disposal route of a kind of traffic road condition data that the embodiment of the invention provides and device; Because second traffic road condition data that the Floating Car on the target highway section is obtained maybe be inaccurate; So first traffic road condition data and above-mentioned second traffic road condition data that the radio frequency induction device obtains are handled; Obtaining the traffic road condition data of target more accurately in said target highway section, thereby improved the accuracy of obtaining traffic information.Therefore, utilize the technical scheme of the embodiment of the invention, improved the accuracy of obtaining traffic information.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done an introduction simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of the disposal route of the embodiment of the invention one traffic road condition data;
Fig. 2 is the process flow diagram of the disposal route of the embodiment of the invention two traffic road condition datas;
Fig. 3 is for being equipped with the synoptic diagram of the road of radio frequency induction device in the embodiment of the invention two;
Fig. 4 is the synoptic diagram of the treating apparatus of the embodiment of the invention three traffic road condition datas;
Fig. 5 is the another synoptic diagram of the treating apparatus of the embodiment of the invention three traffic road condition datas;
Fig. 6 is the another synoptic diagram of the treating apparatus of the embodiment of the invention three traffic road condition datas;
Fig. 7 is the synoptic diagram of the treating apparatus of traffic road condition data in the embodiment of the invention three practical applications.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As shown in Figure 1, the embodiment of the invention one provides a kind of disposal route of traffic road condition data, comprising:
Wherein, said first traffic road condition data, said second traffic road condition data and said target traffic road condition data can comprise driving hourage, average operating speed or the driving stand-by period in said target highway section.
In addition, the said radio frequency induction device real time data of sending comprises: be installed in the sensitive time parameter that target radio frequency cartoon on the testing vehicle is crossed said radio frequency induction device.Concrete, said sensitive time parameter can be spent the moment of said radio frequency induction device for said target radio frequency cartoon.In practical application, the form of the real time data that said radio frequency induction device sends is (numbering, the sensitive time parameter of the radio-frequency card of the numbering of radio frequency induction device, process radio frequency induction device).
Can find out by above description; Because second traffic road condition data that the Floating Car on the target highway section is obtained maybe be inaccurate; So first traffic road condition data and above-mentioned second traffic road condition data that the radio frequency induction device obtains are handled; Obtaining the traffic road condition data of target more accurately in said target highway section, thereby improved the accuracy of obtaining traffic information.Therefore, utilize the technical scheme of the embodiment of the invention, improved the accuracy of obtaining traffic information.
As shown in Figure 2, the embodiment of the invention one provides a kind of disposal route of traffic road condition data, comprises the steps:
In the present embodiment, said first real time data comprises: said target radio frequency card is through first moment of the said first radio frequency induction device.Said second real time data comprises: said target radio frequency card is through second moment of the said second radio frequency induction device.
In addition, said target radio frequency card comprises active radio-frequency card or passive RF card.When said target radio frequency card gets into the magnetic field of said first radio frequency induction device or the said second radio frequency induction device; When if said target radio frequency card is active radio-frequency card, this target radio frequency card initiatively sends to the said first radio frequency induction device or the said second radio frequency induction device and is stored in the radio-frequency information in its chip; If said target radio frequency card is when being the passive RF card, this target radio frequency card at first receives the radiofrequency signal that the said first radio frequency induction device or the said second radio frequency induction device send, and sends the radio-frequency information that is stored in its chip according to above-mentioned radiofrequency signal then.
Wherein, the radio-frequency information that is stored in the said target radio frequency card comprises: information such as the numbering of said target radio frequency card, the license plate number of said testing vehicle, vehicle.
In the present embodiment, can the absolute value of difference constantly of said first moment and said second be driven a vehicle hourage as first of said target highway section.
Further, can also obtain the actual range of said first radio frequency induction device and the said second radio frequency induction device according to the mapping table of radio frequency induction device of setting up in advance and road.Wherein, the mapping table of said radio frequency induction device and road comprises the physical location of radio frequency induction device, the physical location and the positional information of said radio frequency induction device on said road of road.Concrete, said physical location can be longitude or latitude.
At this moment, with said actual range divided by the merchant of said first driving hourage as first average operating speed in said target highway section.
For example, as shown in Figure 3, road 1, road 2 and three roads of road 3 for being connected successively, A and B are respectively said first radio frequency induction device and the said second radio frequency induction device, are installed in respectively on the crossing of crossing and said road 3 of said road 1.When said target radio frequency card passed through said second radio frequency induction device B and the said first radio frequency induction device A successively according to the current direction described in the figure, first driving T1 hourage on said road 1 and the said road 2 did so
T1＝t1-t2
Wherein, t1 is first moment of said target radio frequency card through the said first radio frequency induction device A, and t2 is second moment of said target radio frequency card through the said second radio frequency induction device B.
The first average operating speed V1 on said road 1 and the said road 2 does
V1＝d/T1
Wherein, d is the actual range between said first radio frequency induction device A and the said second radio frequency induction device B.
Wherein, the real time data of said Floating Car transmission comprises: utilize to be installed in the gps data that the GPS on the said Floating Car obtains.Said gps data can comprise the physical location at the speed of current real-time time and said Floating Car, current direction, place etc.
For example, when said Floating Car during, obtain first gps data and second gps data respectively through the reference position in said target highway section and final position.At this moment, said first gps data can comprise the moment of said Floating Car through said reference position, and said second gps data can comprise the moment of said Floating Car through said final position.Said Floating Car is driven a vehicle hourage as second on the said target highway section through the absolute value of the difference in the moment of said final position through the moment and the said Floating Car of said reference position.
In addition, said first gps data can also comprise the physical location of the reference position in said target highway section, and said second gps data can also comprise the physical location of the final position in said target highway section.Further, obtain the physical length in said target highway section according to the physical location of said reference position and the physical location of said final position.At this moment, can be with the physical length in said target highway section divided by the merchant of above-mentioned second driving hourage second average operating speed as said target highway section.
In the present embodiment, can said first driving hourage and said second driving be merged hourage according to the first preset weights and second weights, to obtain the target driving hourage in said target highway section.Perhaps, can said first average operating speed and said second average operating speed be merged according to said first weights and said second weights, to obtain the target average operating speed in said target highway section.Wherein, said first weights and said second weights are generally empirical value, and meet the normalization principle, promptly said first weights and said second weights and be one.
For example; Suppose that first driving of obtaining through step 12 is that T1, first average operating speed are V1 hourage; T2, second average operating speed are not V2 hourage in second driving of obtaining through step 14; Said first weights are M1, and said second weights are M2, and target driving T hourage in so said target highway section does
T＝T1*M1+T2*M2
The target average operating speed V in said target highway section does
V＝V1*M1+V2*M2
Can find out by above description; Because second traffic road condition data that the Floating Car on the target highway section is obtained maybe be inaccurate; So first traffic road condition data and above-mentioned second traffic road condition data that the radio frequency induction device obtains are handled; Obtaining the traffic road condition data of target more accurately in said target highway section, thereby improved the accuracy of obtaining traffic information.Therefore, utilize the technical scheme of the embodiment of the invention, improved the accuracy of obtaining traffic information.
In addition; Can obtain said target radio frequency card get into said radio frequency induction device magnetic field entering constantly; And said target radio frequency card leaves the departure time in the magnetic field of said radio frequency induction device, and the said absolute value that gets into constantly with the difference of said departure time is passed through said radio frequency induction device as said target radio frequency card the driving stand-by period.
Further, second driving that utilizes this driving stand-by period that step 14 is obtained is revised hourage, and will drive a vehicle hourage as the target in said target highway section hourage according to revised second driving.General, be regarded as being equipped with the duration of the testing vehicle waiting signal lamp of this target radio frequency card the said driving stand-by period.
For example; Suppose that it is a1 that it's the driving stand-by period of the said first radio frequency induction device is past said target radio frequency cartoon; The driving stand-by period that said target radio frequency cartoon is crossed the said first radio frequency induction device is a2; Through the second driving hourage of the T2 not that step 14 is obtained, target driving T hourage in so said target highway section does
T＝T2-a1-a2
Further, according to the physical length and the said driving stand-by period in the said target highway section that obtains by step 14, can obtain the target average operating speed in said target highway section.
As shown in Figure 4, the embodiment of the invention three provides a kind of treating apparatus of traffic road condition data, comprising: the first traffic road condition data acquiring unit 41 is used for according to obtaining first traffic road condition data from the real time data of the radio frequency induction device on the target highway section; The second traffic road condition data acquiring unit 42 is used for according to obtaining second traffic road condition data from the real time data of the Floating Car on the said target highway section; Target traffic road condition data acquiring unit 43 is used for said first traffic road condition data and said second traffic road condition data are handled, to obtain the target traffic road condition data in said target highway section.
In the present embodiment; When said radio frequency induction device comprises the first radio frequency induction device and the second radio frequency induction device, the said first traffic road condition data acquiring unit 41 specifically is used for according to obtaining first traffic road condition data from first real time data and second real time data of said first radio frequency induction device and the said second radio frequency induction device respectively.Wherein, said first real time data comprises: be installed in the first sensitive time parameter that target radio frequency cartoon on the testing vehicle is crossed the said first radio frequency induction device; Said second real time data comprises: said target radio frequency cartoon is crossed the second sensitive time parameter of the said second radio frequency induction device.Said target radio frequency card comprises active radio-frequency card or passive RF card.
In addition; On the basis of Fig. 4; As shown in Figure 5; The treating apparatus of said traffic road condition data also comprises: receiving element 51 is used for receiving respectively the first sensitive time parameter and the second sensitive time parameter from said first radio frequency induction device and the said second radio frequency induction device through wired or wireless mode.At this moment, the said first traffic road condition data acquiring unit 41 specifically was used for the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter first driving hourage as said target highway section.
In addition, the real time data of said Floating Car transmission can comprise: utilize to be installed in the gps data that the global position system GPS on the said Floating Car obtains.At this moment, said receiving element 41 also is used for receiving the gps data that said Floating Car is sent through the GPRS device.The said second traffic road condition data acquiring unit 42 specifically is used for obtaining according to the gps data from said Floating Car the second driving hourage and/or second average operating speed in said target highway section.
Further, as shown in Figure 6 on the basis of Fig. 5, the treating apparatus of said traffic road condition data also comprises: actual range acquiring unit 61 is used to obtain the actual range of said first radio frequency induction device and the said second radio frequency induction device.At this moment, the said first traffic road condition data acquiring unit 41 comprises: time-obtaining module was used for the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter first driving hourage as said target highway section; Speed acquiring module is used for said actual range divided by the merchant of said first driving hourage as first average operating speed in said target highway section.
In the present embodiment; Said target traffic road condition data acquiring unit 43 specifically is used for the first preset weights and second weights are merged said first driving hourage and said second driving hourage, to obtain the target driving hourage in said target highway section.
Perhaps; Said target traffic road condition data acquiring unit 43 specifically is used for said first weights and said second weights are merged said first average operating speed and said second average operating speed, to obtain the target average operating speed in said target highway section.
Perhaps, said target traffic road condition data acquiring unit 43 specifically is used to utilize said first driving hourage said second driving to be revised hourage, to obtain the target driving hourage in said target highway section.
In practical application; As shown in Figure 7; The said first traffic road condition data acquiring unit 41 can be RFID (Radio frequency Identification, RF identification) data handling system 71, and the said second traffic road condition data acquiring unit 42 can be FCD (Float Car Data; Floating car data) disposal system 72, and said target traffic road condition data acquiring unit 43 can be traffic information fusion system 73.Wherein, said RFID data handling system 61 also comprises radio frequency induction device 711.
Can know by above description; Because second traffic road condition data that the Floating Car on the target highway section is obtained maybe be inaccurate; So first traffic road condition data and above-mentioned second traffic road condition data that the radio frequency induction device obtains are handled; Obtaining the traffic road condition data of target more accurately in said target highway section, thereby improved the accuracy of obtaining traffic information.Therefore, utilize the device of the embodiment of the invention, improved the accuracy of obtaining traffic information.
In sum, therefore, utilize the technical scheme of the embodiment of the invention, improved the accuracy of obtaining traffic information.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of said claim.
Claims (14)
1. the disposal route of a traffic road condition data is characterized in that, comprising:
According to obtaining first traffic road condition data from the real time data of the radio frequency induction device on the target highway section;
According to obtaining second traffic road condition data from the real time data of the Floating Car on the said target highway section;
Said first traffic road condition data and said second traffic road condition data are handled, to obtain the target traffic road condition data in said target highway section.
2. method according to claim 1 is characterized in that, said radio frequency induction device comprises the first radio frequency induction device and the second radio frequency induction device, and said basis is obtained first traffic road condition data from the real time data of the radio frequency induction device on the target highway section and comprised:
According to obtaining first traffic road condition data from first real time data and second real time data of said first radio frequency induction device and the said second radio frequency induction device respectively;
Wherein, said first real time data comprises: the first sensitive time parameter that is installed in the said first radio frequency induction device of target radio frequency card process on the testing vehicle; Said second real time data comprises: said target radio frequency card is through the second sensitive time parameter of the said second radio frequency induction device.
3. method according to claim 2 is characterized in that, and is said according to obtaining before first traffic road condition data from first real time data of said first radio frequency induction device and the said second radio frequency induction device and second real time data respectively, also comprises:
Receive respectively the first sensitive time parameter and the second sensitive time parameter through wired or wireless mode from said first radio frequency induction device and the said second radio frequency induction device.
4. method according to claim 3 is characterized in that, saidly comprises according to obtaining first traffic road condition data from first real time data of said first radio frequency induction device and the said second radio frequency induction device and second real time data respectively:
With the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter first driving hourage as said target highway section.
5. method according to claim 3 is characterized in that, and is said according to obtaining before first traffic road condition data from first real time data of said first radio frequency induction device and the said second radio frequency induction device and second real time data respectively, also comprises:
Obtain the actual range of said first radio frequency induction device and the said second radio frequency induction device;
Saidly comprise according to obtaining first traffic road condition data from first real time data of said first radio frequency induction device and the said second radio frequency induction device and second real time data respectively:
With the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter first driving hourage as said target highway section;
With said actual range divided by the merchant of said first driving hourage as first average operating speed in said target highway section.
6. according to the arbitrary described method of claim 1-5, it is characterized in that the real time data that said Floating Car is sent comprises: utilize to be installed in the gps data that the global position system GPS on the said Floating Car obtains;
Said basis is obtained before second traffic road condition data from the real time data of the Floating Car on the said target highway section, also comprises:
Receive gps data through general packet radio service GPRS device from said Floating Car;
Said basis is obtained second traffic road condition data from the real time data of the Floating Car on the said target highway section and is comprised:
Obtain the second driving hourage and/or second average operating speed in said target highway section according to gps data from said Floating Car.
7. according to the arbitrary described method of claim 1-5, it is characterized in that, said said first traffic road condition data and said second traffic road condition data handled, comprise with the target traffic road condition data that obtains said target highway section:
According to the first preset weights and second weights said first driving hourage and said second driving are merged hourage, to obtain the target driving hourage in said target highway section; Perhaps
According to said first weights and said second weights said first average operating speed and said second average operating speed are merged, to obtain the target average operating speed in said target highway section; Perhaps
Utilize said first driving hourage said second driving to be revised hourage, to obtain the target driving hourage in said target highway section.
8. the treating apparatus of a traffic road condition data is characterized in that, comprising:
The first traffic road condition data acquiring unit is used for according to obtaining first traffic road condition data from the real time data of the radio frequency induction device on the target highway section;
The second traffic road condition data acquiring unit is used for according to obtaining second traffic road condition data from the real time data of the Floating Car on the said target highway section;
Target traffic road condition data acquiring unit is used for said first traffic road condition data and said second traffic road condition data are handled, to obtain the target traffic road condition data in said target highway section.
9. the treating apparatus of traffic road condition data according to claim 8; It is characterized in that; Said radio frequency induction device comprises the first radio frequency induction device and the second radio frequency induction device, and the said first traffic road condition data acquiring unit specifically is used for according to obtaining first traffic road condition data from first real time data and second real time data of said first radio frequency induction device and the said second radio frequency induction device respectively;
Wherein, said first real time data comprises: be installed in the first sensitive time parameter that target radio frequency cartoon on the testing vehicle is crossed the said first radio frequency induction device; Said second real time data comprises: said target radio frequency cartoon is crossed the second sensitive time parameter of the said second radio frequency induction device.
10. the treating apparatus of traffic road condition data according to claim 9 is characterized in that, also comprises:
Receiving element is used for receiving respectively the first sensitive time parameter and the second sensitive time parameter from said first radio frequency induction device and the said second radio frequency induction device through wired or wireless mode.
11. the treating apparatus of traffic road condition data according to claim 10; It is characterized in that the said first traffic road condition data acquiring unit specifically is used for the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter is driven a vehicle hourage as first of said target highway section.
12. the treating apparatus of traffic road condition data according to claim 10 is characterized in that, also comprises:
The actual range acquiring unit is used to obtain the actual range of said first radio frequency induction device and the said second radio frequency induction device;
The said first traffic road condition data acquiring unit comprises:
Time-obtaining module was used for the absolute value of the difference of said first sensitive time parameter and the said second sensitive time parameter first driving hourage as said target highway section;
Speed acquiring module is used for said actual range divided by the merchant of said first driving hourage as first average operating speed in said target highway section.
13. the treating apparatus of arbitrary described traffic road condition data is characterized in that according to Claim 8-12, the real time data that said Floating Car is sent comprises: utilize to be installed in the gps data that the global position system GPS on the said Floating Car obtains;
Said receiving element also is used for receiving the gps data from said Floating Car through the GPRS device;
The said second traffic road condition data acquiring unit specifically is used for obtaining according to the gps data from said Floating Car the second driving hourage and/or second average operating speed in said target highway section.
14. the treating apparatus of arbitrary described traffic road condition data according to Claim 8-12; It is characterized in that; Said target traffic road condition data acquiring unit specifically is used for the first preset weights and second weights are merged said first driving hourage and said second driving hourage, to obtain the target driving hourage in said target highway section; Perhaps
Said target traffic road condition data acquiring unit specifically is used for said first weights and said second weights are merged said first average operating speed and said second average operating speed, to obtain the target average operating speed in said target highway section; Perhaps
Said target traffic road condition data acquiring unit specifically is used to utilize said first driving hourage said second driving to be revised hourage, to obtain the target driving hourage in said target highway section.
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| CN106327866A (en) * | 2016-08-30 | 2017-01-11 | 重庆市交通规划研究院 | Vehicle travel OD dividing method and system based on RFID |
| CN106327866B (en) * | 2016-08-30 | 2018-11-16 | 重庆市交通规划研究院 | Vehicle driving OD cutting method and its system based on RFID |
| CN106355922A (en) * | 2016-11-28 | 2017-01-25 | 国网山东省电力公司济宁供电公司 | Intelligent traffic management method and system |
| CN110782669A (en) * | 2019-10-31 | 2020-02-11 | 北京星云互联科技有限公司 | Traffic management method and traffic management system |
| CN112435471A (en) * | 2020-11-11 | 2021-03-02 | 腾讯科技（深圳）有限公司 | Position point processing method and related device |
| CN112435471B (en) * | 2020-11-11 | 2021-12-24 | 腾讯科技（深圳）有限公司 | Position point processing method and related device |
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Application publication date: 20120411 |