CN202049615U - Drive time predicating device - Google Patents
Drive time predicating device Download PDFInfo
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- CN202049615U CN202049615U CN2011200938076U CN201120093807U CN202049615U CN 202049615 U CN202049615 U CN 202049615U CN 2011200938076 U CN2011200938076 U CN 2011200938076U CN 201120093807 U CN201120093807 U CN 201120093807U CN 202049615 U CN202049615 U CN 202049615U
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Abstract
The utility model discloses a drive time predicating device, which comprises a plurality of acquiring units, a storage unit, a drive time calculating unit and a drive time predicating unit. The acquiring units are arranged on different sections of a road and used for acquiring license plate numbers of shuttling vehicles and corresponding acquiring time, the storage unit is used for storing original drive time on the sections, the drive time calculating unit can calculate drive time of vehicles passing through the sections according to data acquired by the acquiring unit, and the drive time predicating unit can predicate drive time at a certain future time according to drive time calculated by the drive time calculating unit and according to the original drive time. Further, the acquiring units, the storage unit, the drive time calculating unit and the drive time predicating unit are sequentially electrically connected, and the drive time predicating unit is further electrically connected with the storage unit. By identifying and comparing the license plate numbers of the shuttling vehicles, the drive time predicating device can conduct short-time predication, and thereby traffic flow of the road network can be dynamically evenly distributed, and partial traffic pressure can be alleviated.
Description
Technical field
The utility model relates to a kind of range of driving time prediction device, particularly relates to a kind of by gathering the device that the comparison license plate number is predicted the range of driving time.
Background technology
The collection of range of driving time can make traffic administration person and traffic participant understand the integral status of road grid traffic very intuitively; And according to the range of driving temporal information that obtains, make traveler Dynamic Selection to be fit to own route, this distributes dynamic equalization road grid traffic flow, and alleviation local traffic pressure all has very important significance.
Urban road, through street and highway are converted into average degree by the spot speed based on the toroid winding collection usually at present, and then are converted out the general required time apart from being divided by.The problem that this method mainly exists is, the spot speed and the section mean speed of single unit vehicle are variant, thereby causes range of driving time of calculating not accurate enough.
In addition, the existing range of driving time only is the current range of driving time, and lack the prediction of the range of driving time in the time of following short-term, thereby reliable range of driving temporal information is provided for the people and the supvr of trip, so be unfavorable for that dynamic equalization road grid traffic flow distributes further, alleviate local traffic pressure.
The utility model content
The technical problems to be solved in the utility model is not accurate enough and lack problem to the prediction of range of driving time in order to overcome the range of driving time that calculates in the prior art, a kind of range of driving time prediction device is provided, gather and calculate the range of driving time by the license plate number of detection and Identification vehicle, and predict the following range of driving time constantly based on historical range of driving time data.
The utility model solves above-mentioned technical matters by following technical proposals:
The utility model provides a kind of range of driving time prediction device, is characterized in that described range of driving time prediction device comprises some collecting units, and described collecting unit is arranged on the different highway sections and is used to gather the license plate number and corresponding the collection constantly of vehicular traffic; One storage unit is used to store historical range of driving time in described highway section; One range of driving temporal calculation unit, the range of driving time that the data computation vehicle of gathering according to described collecting unit passes through described highway section; One range of driving time prediction unit, according to the range of driving time and the following range of driving time constantly of historical range of driving time prediction of described range of driving temporal calculation unit calculating, wherein said collecting unit, storage unit, range of driving temporal calculation unit and range of driving time prediction unit are electrically connected successively, and described range of driving time prediction unit also is electrically connected with described storage unit.
Preferably, described storage unit also is used to store the license plate number and corresponding the collection constantly of the vehicular traffic that described collecting unit gathers.
Preferably, described collecting unit also is preset with some collection period.There is evening peak peace peak morning of notable difference to set different collection period thereby be directed to the magnitude of traffic flow, improves the accuracy of range of driving Time Calculation.
Preferably, described collecting unit is a video camera.
Preferably, described range of driving temporal calculation unit also is used to calculate the average range of driving time of described range of driving time.
Preferably, the following range of driving time is constantly predicted according to following formula in described range of driving time prediction unit:
Wherein said T
1Be range of driving time constantly in future, described T
0Be average range of driving time, described T
-1And T
-2Be the historical range of driving two range of driving times that different acquisition was gathered in the cycle in the time, described A, B and C are weight coefficient.
Preferably, described weight coefficient A, B and C are respectively 0.45,0.35 and 0.2.
Preferably, described range of driving time prediction device also comprises a transmitting element, is electrically connected with described range of driving time prediction unit, and is used for the following range of driving time constantly of prediction is sent to external unit.
Preferably, described transmitting element is a wireless transmission unit.Thereby realize and the wireless connections of external unit, improved movability.
Positive progressive effect of the present utility model is:
A kind of range of driving time prediction device that the utility model provides by the license plate number of vehicular traffic on the identification urban road, and obtains institute's time spent on a certain path rapidly by the comparison license plate number.But also, carry out short-term prediction according to the historical data of comparing out, and offer people and supvr's reference of driver, trip, thereby dynamic equalization road grid traffic flow distributes further, alleviate local traffic pressure.
Description of drawings
Fig. 1 is the circuit module figure of the preferred embodiment of range of driving time prediction device of the present utility model.
Fig. 2 is the set-up mode of the collecting unit of range of driving time prediction device of the present utility model in the crossing.
Fig. 3 is the set-up mode of the collecting unit of range of driving time prediction device of the present utility model in the through street.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
The range of driving time prediction device that the utility model provides comprises some collecting units, be used to gather the license plate number and corresponding the collection constantly of vehicular traffic, wherein said collecting unit can be arranged at the highway section that needs to gather data such as license plate number as shown in Figures 2 and 3, and can select the collecting unit of varying number according to the number in highway section for use.
Figure 2 shows that to have the highway section, crossing, the starting point of collection is arranged on the outlet A place of first crossing on the described highway section, and the object that the vehicle that all can be imported on the described highway section all becomes collection is set like this; Terminal point is arranged on the import B place of last crossing, described highway section, is provided with like this all vehicles of coming of a last crossing all to be imported the collection point.
Shown in Figure 3 on city expressway, the starting point of collection is arranged on ring road C place, before terminal point is arranged on down ring road D, the vehicle that all can be come is set so all imports the collection point.
The set-up mode of described collecting unit can also change according to the actual conditions in highway section in addition.And be not limited only to set-up mode among Fig. 2 and Fig. 3.
In addition, described collecting unit is preset with some collection period.Consider when highway section vehicle range of driving temporal information gathered, early the magnitude of traffic flow at evening peak peace peak has notable difference, vehicle number by collecting unit in unit interval has big gap, so, should be according to the strategy of the different collection period of different time period employings.That is, very fast in the frequency of morning peak and evening peak collection period; The frequency of flat peak collection period is slower.
And consider the leakage at the equipment of rejecting is clapped, taken pictures in the sample space of collection discrimination, identification figure place and in the influence of the shunting situation at preceding several crossings, for guarantee sample size enough greatly, collection period should be not too small yet.
The storage unit that range of driving time prediction device of the present utility model comprises is used to store the historical range of driving time that needs are gathered the highway section of data such as license plate number.
Further, described storage unit also is used for the license plate number and corresponding the collection constantly of the vehicular traffic of described collecting unit collection.
The range of driving temporal calculation unit that range of driving time prediction device of the present utility model comprises, the range of driving time that the data computation vehicle of gathering according to described collecting unit passes through described highway section.
And described range of driving temporal calculation unit is also according to average range of driving time of described range of driving time of range of driving Time Calculation of having calculated.
The range of driving time prediction unit that range of driving time prediction device of the present utility model comprises is according to the range of driving time and the following range of driving time constantly of stored historical range of driving time prediction of described range of driving temporal calculation unit calculating.
Collecting unit described in the utility model, storage unit, range of driving temporal calculation unit and range of driving time prediction unit are electrically connected successively, and described range of driving time prediction unit also is electrically connected with described storage unit.
Range of driving time prediction device of the present utility model in addition also comprises a transmitting element, is electrically connected with described range of driving time prediction unit, and is used for the following range of driving time constantly of prediction is sent to external unit.Thereby the range of driving time of prediction can be sent to user's appointed equipment or device, thereby can utilize the range of driving time of described prediction to realize that dynamic equalization road grid traffic flow distributes further.
Embodiment:
Figure 1 shows that the circuit module figure of range of driving time prediction device of the present utility model, comprising two video cameras 11 and 12, one storage unit 2, a range of driving temporal calculation unit 3, a range of driving time prediction unit 4 and a wireless transmission unit 5.
Wherein said video camera 11 and 12, storage unit 2, range of driving temporal calculation unit 3, range of driving time prediction unit 4 and wireless transmission unit 5 are electrically connected successively, and described range of driving time prediction unit 4 also is electrically connected with described storage unit 2.
Adopt two video cameras 11 and 12 to gather the license plate number and corresponding the collection constantly of vehicular traffic in the present embodiment.
And when mode as shown in Figure 2 was arranged at crossing, a highway section, in the peak signal cycle of wherein adopting collection period to adopt described highway section intersection signal lamp when the peak, vehicle flowrate was little during flat peak, can adopt 2 times of peak signal cycle of signal lamp.
If when adopting mode shown in Figure 3 to be arranged at a through street in addition, collection period is decided on the flow of vehicle, generally be on the peak with 3 minutes be collection period, be collection period with 5 minutes during flat peak.
Present embodiment can also adopt the collecting unit of other kinds, type and number in addition, and is not limited only to two video cameras of present embodiment, and the set-up mode of video camera can be provided with as required freely.
Storage unit 2 in the present embodiment is used to store video camera 11 and 12 the historical range of driving time in highway section and the license plate number and corresponding the collection constantly of video camera 11 and 12 vehicular traffics of gathering is set.
Range of driving temporal calculation unit 3 in the present embodiment is according to video camera 11 and 12 license plate numbers of gathering and corresponding the collection constantly, by comparing the license plate number that video camera 11 and 12 is gathered respectively, under the identical situation of license plate number, by obtaining the range of driving time to gathering simple operation constantly.
And the method that also adopts average in the present embodiment obtains the range of driving time to simple operation and averages computing, thereby obtains the average range of driving time.
Can adopt other accurate compute modes and average method to come described range of driving time of computing and average range of driving time in addition and improve degree of accuracy.
The following range of driving time is constantly predicted according to following formula (1) in the time prediction of the range of driving described in present embodiment unit 4:
Wherein said T
1Be range of driving time constantly in future, described T
0Be average range of driving time, described T
-1And T
-2Be the historical range of driving two range of driving times that different acquisition was gathered in the cycle in the time, described A, B and C are weight coefficient.
Wherein said T
-1And T
-2It can be the previous collection period and the interior range of driving time of gathering of preceding two collection period of current collection period.
The user can also adopt other formula to predict the following range of driving time constantly according to the difference of the forecast model that is adopted in addition.
And the A of weight coefficient described in the present embodiment, B and C are respectively 0.45,0.35 and 0.2.
Wireless transmission unit described in the present embodiment 5 be used for will prediction the following range of driving time constantly be sent to external unit, in addition the user can be according to the actual requirements and the requirement of external unit adopt other transmitting element, wire transmission unit etc. for example.
The principle of work of present embodiment is as follows:
At first, video camera 11 and 12 is gathered the license plate number and the moment of gathering license plate number by the vehicle in highway section, and is recorded storage unit 2 according to default collection period.
Then, range of driving temporal calculation unit 3 reads license plate number that is stored in the storage unit 2 and the moment of gathering license plate number, the license plate number that comparison video camera 11 and 12 is gathered respectively, under the identical situation of license plate number, by obtaining the range of driving time, and the described range of driving time averaged handle the average range of driving time that obtains gathering simple operation constantly.
After this, the historical range of driving time data in range of driving time prediction unit 4 reading cells, and the following range of driving time constantly that calculating is predicted according to formula (1).
At last, by wireless transmission unit 5 the described following range of driving time constantly is sent to external unit, for people and supvr's reference of driver, trip, thereby dynamic equalization road grid traffic flow distributes further, alleviates local traffic pressure.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (4)
1. a range of driving time prediction device is characterized in that, described range of driving time prediction device comprises:
Some collecting units, described collecting unit are arranged on the different highway sections and are used to gather the license plate number and corresponding the collection constantly of vehicular traffic;
One storage unit is used to store historical range of driving time in described highway section;
One range of driving temporal calculation unit, the range of driving time that the data computation vehicle of gathering according to described collecting unit passes through described highway section;
One range of driving time prediction unit is according to the range of driving time and the following range of driving time constantly of historical range of driving time prediction of described range of driving temporal calculation unit calculating;
Wherein said collecting unit, storage unit, range of driving temporal calculation unit and range of driving time prediction unit are electrically connected successively, and described range of driving time prediction unit also is electrically connected with described storage unit.
2. range of driving time prediction device as claimed in claim 1 is characterized in that described collecting unit is a video camera.
3. range of driving time prediction device as claimed in claim 1, it is characterized in that, described range of driving time prediction device also comprises a transmitting element, is electrically connected with described range of driving time prediction unit, and is used for the following range of driving time constantly of prediction is sent to external unit.
4. range of driving time prediction device as claimed in claim 3 is characterized in that described transmitting element is a wireless transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200938076U CN202049615U (en) | 2011-04-01 | 2011-04-01 | Drive time predicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200938076U CN202049615U (en) | 2011-04-01 | 2011-04-01 | Drive time predicating device |
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| CN202049615U true CN202049615U (en) | 2011-11-23 |
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| CN2011200938076U Expired - Lifetime CN202049615U (en) | 2011-04-01 | 2011-04-01 | Drive time predicating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914978A (en) * | 2012-12-31 | 2014-07-09 | 高德软件有限公司 | Vehicle information collection method and apparatus |
-
2011
- 2011-04-01 CN CN2011200938076U patent/CN202049615U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914978A (en) * | 2012-12-31 | 2014-07-09 | 高德软件有限公司 | Vehicle information collection method and apparatus |
| CN108629969A (en) * | 2012-12-31 | 2018-10-09 | 高德软件有限公司 | A kind of traffic information collecting method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI THOUSAND YEAR URBAN PLANNING ENGINEERING Free format text: FORMER NAME: SHANGHAI THOUSAND YEAR CONSTRUCTION CONSULTANTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai city Minhang District Zhuan Hing Road No. 688 Patentee after: Shanghai Thousandyear Urban Planning Engineering Design Co., Ltd. Address before: 201108 Shanghai city Minhang District Zhuan Hing Road No. 688 Patentee before: Shanghai Thousand Year Consultants Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Drive time prediction device Effective date of registration: 20131101 Granted publication date: 20111123 Pledgee: Pudong Development Bank of Minhang Shanghai branch Pledgor: Shanghai Thousandyear Urban Planning Engineering Design Co., Ltd. Registration number: 2013310000022 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170918 Granted publication date: 20111123 Pledgee: Pudong Development Bank of Minhang Shanghai branch Pledgor: Shanghai Thousandyear Urban Planning Engineering Design Co., Ltd. Registration number: 2013310000022 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
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| CX01 | Expiry of patent term |