CN102436750A - Real-time traffic meteorological information acquisition method based on vehicle - Google Patents
Real-time traffic meteorological information acquisition method based on vehicle Download PDFInfo
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- CN102436750A CN102436750A CN2011102893939A CN201110289393A CN102436750A CN 102436750 A CN102436750 A CN 102436750A CN 2011102893939 A CN2011102893939 A CN 2011102893939A CN 201110289393 A CN201110289393 A CN 201110289393A CN 102436750 A CN102436750 A CN 102436750A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000284 extract Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000010267 cellular communication Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
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Abstract
The invention provides a real-time traffic meteorological information acquisition method based on a vehicle. The method comprises the following steps of: firstly, periodically acquiring vehicle information data and transmitting the data to a database of a public transport data service center; extracting data information which is acquired in different periods by the public transport data service center to carry out analytical judgment, obtaining corresponding driving data sequence subsets of a user for the data information, and separating the driving data sequence subsets of the user to obtain corresponding vehicle positions and windshield wiping frequency; matching the vehicle positions with regional traffic meteorological information sets of the public transport data service center to obtain regional sequences in which the vehicle position is located, and updating the regional sequences into the regional traffic meteorological information sets; and extracting the updated regional sequences in the regional traffic meteorological information sets, and updating the regional meteorological information sets corresponding to the regional sequences to obtain real-time regional traffic meteorological information sets. By adopting the real-time traffic meteorological information acquisition method provided by the invention, the detailed real-time traffic meteorological information can be fed back according to different regional environments.
Description
[technical field]
The present invention relates to the IT application; Specifically relate to real-time traffic weather information acquisition method based on the vehicles.
[background technology]
How is certain real-time meteorology in concrete highway section? Raining now in certain sub-district? It is great to rain? These all are public's go off daily questions of common concern; Use checks that in advance the mode of weather forecast addresses the above problem mostly at present; This meteorological prevision degree of accuracy is not enough; Zones of different The corresponding area traffic weather information can not be fed back, the requirement of the public can't be satisfied meteorological real-time, accuracy.Be exactly some traffic weather informations of query site that the user logins the public transport data service center in addition at present, but such looking into can not be fed back real-time traffic weather information.
A kind of " based on meteorological inquiry of the vehicle mounted road of GPRS and inclement weather alarm set " is provided in the prior art, and its open day is on 09 01st, 2010, and publication number is the Chinese patent of CN201569738U; The unique point of this device is: comprise microprocessor unit, GSM/GPRS communication unit interface, GPS positioning unit interface; The GSM/GPRS communication unit; The GPS positioning unit, liquid crystal display drive circuit, liquid crystal display with reset/storage unit; Microprocessor unit respectively with GSM/GPRS communication unit, GPS positioning unit, liquid crystal display, reset/storage unit is connected.The effect of this invention is: get in touch through GPRS and control center, the driver can obtain the weather information of needs.When vehicle starts at every turn, upload the positional information of vehicle automatically simultaneously, if inclement weather will appear in the vehicle region, system will report the inclement weather prompting message of control center's issue automatically automatically.But this invention can not be fed back real-time traffic weather information, and can not be based on the different meticulous traffic weather informations of regional environment feedback.
[summary of the invention]
The technical matters that the present invention will solve is to provide a kind of real-time traffic weather information acquisition method based on the vehicles, thereby for the public goes on a journey etc. the service of real-time traffic weather information is provided.
The present invention is achieved in that a kind of real-time traffic weather information acquisition method based on the vehicles, comprises the steps:
Step 10, utilize the board information terminal of vehicle regularly to gather the data message of user's vehicle location 1, rain brush frequency f, and obtain the user data sequence X that drives a vehicle according to each data messages of all different cycles collections with a predetermined period
i, i.e. X
i=<l
i, F
i>, its subscript i is the numbering of data sequence; Each data message that will collect through the mobile cellular communication technology again is sent in the database of public transport data service center;
Each data message that step 20, said public transport data service center are extracted the different cycles collection carries out analysis and judgement and obtains the corresponding user of each data message data sequence subclass of driving a vehicle, and its each user data sequence subclass of driving a vehicle is isolated corresponding vehicle location, rain brush frequency; And mate according to the regional traffic weather information collection of vehicle location and public transport data service center, draw the residing regional sequence of this vehicle location and residing regional sequence is updated to regional traffic weather information collection;
Each regional sequence that regional traffic weather information after step 30, extraction are upgraded is concentrated; Calculate the average rain brush frequency in each zone; Average rain brush frequency and the rain brush frequency table of comparisons of said public transport data service center in each zone mate the meteorology that obtains the corresponding region with it, and it is concentrated that each zone meteorological corresponding is updated to the regional real-time traffic weather information of said public transport service centre.
The present invention has following advantage: the present invention regularly gathers its vehicle location and rain brush frequency by board information terminal in the vehicle ' process; And with its data message through technology transfer such as mobile cellular communication in the database of public transport data service center; And the regular regional traffic weather information collection that from database, extracts different defined areas; The public transport data service center is handled different defined area The corresponding area traffic weather information collection, thereby obtains up-to-date regional real-time traffic weather information, and the present invention not only can gather and obtain real-time traffic weather information accurately; And pass through dividing region; The zone that can realize the traffic weather information becomes more meticulous, and according to the different regional environments degree difference that becomes more meticulous, and has obvious difference with in the past weather information collection; Be a kind of practicable real-time traffic weather information acquisition method, significance arranged for the various information service system.
[description of drawings]
Fig. 1 is the system framework figure of the real-time traffic weather information acquisition method based on the vehicles of the present invention.
Fig. 2 is the algorithm flow chart that regional traffic weather information collection of the present invention extracts.
Fig. 3 is the algorithm flow chart that the present invention zone real-time traffic weather information is obtained.
[embodiment]
Real-time traffic weather information acquisition method based on the vehicles of the present invention is characterized in that: comprise the steps:
Step 10, utilize the board information terminal of vehicle regularly to gather the data message of user's vehicle location 1, rain brush frequency f, and obtain the user data sequence X that drives a vehicle according to each data messages of all different cycles collections with a predetermined period
i, i.e. X
i=<l
i, F
i>, its subscript i is the numbering of data sequence; Each data message that will collect through the mobile cellular communication technology again is sent in the database of public transport data service center;
Each data message that step 20, said public transport data service center are extracted the different cycles collection carries out analysis and judgement and obtains the corresponding user of each data message data sequence subclass of driving a vehicle, and its each user data sequence subclass of driving a vehicle is isolated corresponding vehicle location, rain brush frequency; And mate according to the regional traffic weather information collection of vehicle location and public transport data service center, draw the residing regional sequence of this vehicle location and residing regional sequence is updated to regional traffic weather information collection;
Each regional sequence that regional traffic weather information after step 30, extraction are upgraded is concentrated; Calculate the average rain brush frequency in each zone; The average rain brush frequency in each zone is mated the meteorology that obtains the corresponding region with the rain brush frequency table of comparisons of said public transport service centre with it, and the meteorological corresponding regional real-time traffic weather information that is updated to said public transport data service center in each zone is concentrated.
As shown in Figure 1; Be system framework figure based on the real-time traffic weather information acquisition method of the vehicles; Wherein detail based on three included parts of the real-time traffic weather information acquisition method of the vehicles, the object handled as next partial data of the result that produces of each part wherein.
What first part was carried out is data acquisition; By board information terminal in the vehicle ' process with a predetermined period regular collection vehicle position and rain brush frequency, and with its data message through technology transfer such as mobile cellular communication in the database of public transport data service center; What carry out at second portion is that each data message that the public transport data service center extracts the different cycles collection carries out analysis and judgement and obtains the corresponding user of each data message data sequence subclass of driving a vehicle, and its each user data sequence subclass of driving a vehicle is isolated corresponding vehicle location, rain brush frequency; And mate according to the regional traffic weather information collection of vehicle location and public transport data service center, draw the residing regional sequence of this vehicle location and residing regional sequence is updated to regional traffic weather information collection; Third part public transport data service center is handled different defined area The corresponding area traffic weather information collection, thereby gets regional real-time traffic weather information to the end.
As shown in Figure 2, be the algorithm flow chart of regional traffic weather information collection extraction of the present invention.It mainly comprises the steps:
Step 21, said public transport data service center extract each data message y that different cycles is gathered
i, i.e. y
i=<l
i, f
i>, judge each data message y one by one
iWhether be empty,, then do not upgrade regional traffic weather information collection, continue to judge next data message if empty; Its regional traffic weather information collection representes with D, i.e. D={d
1, d
2, d
3... d
nThe subclass d of D wherein
jBe its j ∈ 1......n of regional sequence, its d
j=<a
j, s
j, n
j>, a
jExpression regional location scope, s
jThe rain brush frequency of representing institute's Information Monitoring in this zone and, n
jRepresent the information content that gather in this zone; Regional traffic weather information collection D, inner s when initial in the public transport data service center
j, n
jBe 0, regional location scope a
jCan carry out suitable adjustment according to the quantity of vehicle in the zone, for example the mountain area vehicle less zoning to decide region area relatively large, urban vehicle is with the defined area area less relatively significantly.If be not empty, get into step 22;
Step 22, obtain each data message y
iThe pairing user data sequence X that drives a vehicle
i=<l
i, F
i>Subclass (this user drive a vehicle the subclass of data sequence be pending data); And the drive a vehicle subclass of data sequence of its each user handled as follows: one by one the drive a vehicle subclass of data sequence of each user is isolated corresponding vehicle location l, rain brush frequency f; And according to the regional traffic weather information collection D of vehicle location l and public transport data service center (its regional traffic weather information collection D is upgrading at any time; All be to the regional traffic weather information collection D after upgrading when mating) mate; Obtain position l and be in subset area sequence corresponding among the regional traffic weather information collection D, i.e. l ∈ a
jAnd the rain brush frequency f of this position is added to the s in this subset area sequence
j, and to the n in this subset area sequence
jAdd 1 and handle, be i.e. s
j=s
j+ f|l ∈ a
j, n
j=n
j+ 1|l ∈ a
jAnd the residing subset area sequence of its this vehicle location is updated among the regional traffic weather information collection D.Like this each user is driven a vehicle after the subclass of data sequence handles like this, all subclass among the regional traffic weather information collection D are all upgraded the most at last, after upgrading, obtain D={<a
1, s
1+ f
1, n
1+ 1>,<a
2, s
2, n
2>,<a
3, s
3+ f
3, n
3+ 1>... d
nSupply next part to handle.
Algorithm flow chart as shown in Figure 3, as to obtain for the present invention zone real-time traffic weather information.It is specially: said public transport data service center extracts each the subset area sequence d among the regional traffic weather information collection D after upgrading
j, and operate as follows: judge whether a subset area sequence of extracting is empty, is, then inoperation continues to judge next subclass regional sequence; Deny that then the public transport data service center is according to the rain brush frequency and the s of the Information Monitoring of upgrading in this subset area sequence of extracting
jAnd the information content n of the collection after upgrading
j, calculate the average rain brush frequency k of this subset area sequence
jBe k
j=s
j/ n
jWith its k
jMate the meteorological P that obtains the corresponding region with the rain brush frequency table of comparisons T of said public transport service centre
i, its table of comparisons T={t
1, t
2, t
3... t
n, its t
1, t
2, t
3... t
nGrade for the corresponding weather of corresponding rain brush frequency; The grade of said weather comprise the rain brush frequency high be to be no rain, this t at 0 o'clock for heavy rain, rain brush frequency are generally light rain, rain brush frequency
1, t
2, t
3... t
nThe default value that presets for the public transport data service center of value; Said public transport data service center is with the meteorological P of the corresponding region that gets access to
jBe updated to regional real-time traffic weather information collection Q corresponding in the said public transport data service center, its Q={q
1, q
2, q
3... q
n, the subclass among this information set Q is regional real-time traffic weather information sequence q
j, this q
j=<a
j, p
j>, its a
jIt is exactly described regional location scope; P
jIt is exactly meteorology for the zone; After each subset area sequence among its regional traffic weather information collection D all done as above operation, final updated obtained regional real-time traffic weather information collection Q, promptly accomplishes obtaining of real-time traffic weather information.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. the real-time traffic weather information acquisition method based on the vehicles is characterized in that: comprise the steps:
Step 10, utilize the board information terminal of vehicle regularly to gather the data message of user's vehicle location l, rain brush frequency f, and obtain the user data sequence X that drives a vehicle according to each data messages of all different cycles collections with a predetermined period
i, i.e. X
i=<l
i, F
i>, its subscript i is the numbering of data sequence; Each data message that will collect through the mobile cellular communication technology again is sent in the database of public transport data service center;
Each data message that step 20, said public transport data service center are extracted the different cycles collection carries out analysis and judgement and obtains the corresponding user of each data message data sequence subclass of driving a vehicle, and its each user data sequence subclass of driving a vehicle is isolated corresponding vehicle location, rain brush frequency; And mate according to the regional traffic weather information collection of vehicle location and public transport data service center, draw the residing regional sequence of this vehicle location and residing regional sequence is updated to regional traffic weather information collection;
Each regional sequence that regional traffic weather information after step 30, extraction are upgraded is concentrated; Calculate the average rain brush frequency in each zone; The average rain brush frequency in each zone is mated the meteorology that obtains the corresponding region with the rain brush frequency table of comparisons of said public transport service centre with it, and the meteorological corresponding regional real-time traffic weather information that is updated to said public transport data service center in each zone is concentrated.
2. the real-time traffic weather information acquisition method based on the vehicles according to claim 1, it is characterized in that: said step 20 is specially following steps:
Step 21, said public transport data service center extract each data message y that different cycles is gathered
i, i.e. y
i=<l
i, f
i>, judge each data message y one by one
iWhether be empty,, then do not upgrade regional traffic weather information collection, continue to judge next data message if empty; Its regional traffic weather information collection representes with D, i.e. D={d
1, d
2, d
3... d
nThe subclass d of D wherein
jBe its j ∈ 1......n of regional sequence, its d
j=<a
j, s
j, n
j>, a
jExpression regional location scope, s
jThe rain brush frequency of representing institute's Information Monitoring in this zone and, n
jRepresent the information content that gather in this zone; If be not empty, get into step 22;
Step 22, obtain each data message y
iThe pairing user data sequence X that drives a vehicle
i=<l
i, F
i>Subclass; And the drive a vehicle subclass of data sequence of its each user handled as follows: one by one the drive a vehicle subclass of data sequence of each user is isolated corresponding vehicle location l, rain brush frequency f; And mate according to the regional traffic weather information collection D of vehicle location l and public transport data service center; Obtain position l and be in subset area sequence corresponding among the regional traffic weather information collection D, i.e. l ∈ a
jAnd the rain brush frequency f of this position is added to the s in this subset area sequence
j, and to the n in this subset area sequence
jAdd 1 and handle, be i.e. s
j=s
j+ f|l ∈ a
j, n
j=n
j+ 1|l ∈ a
jAnd the residing subset area sequence of its this vehicle location is updated among the regional traffic weather information collection D.
3. the real-time traffic weather information acquisition method based on the vehicles according to claim 2, it is characterized in that: said step 30 is specially:
Said public transport data service center extracts each the subset area sequence d among the regional traffic weather information collection D after upgrading
j, and operate as follows: judge whether a subset area sequence of extracting is empty, is, then inoperation continues to judge next subclass regional sequence; Deny that then the public transport data service center is according to the rain brush frequency and the s of the Information Monitoring of upgrading in this subset area sequence of extracting
jAnd the information content n of the collection after upgrading
j, calculate the average rain brush frequency k of this subset area sequence
jBe k
j=s
j/ n
jWith its k
jMate the meteorological P that obtains the corresponding region with the rain brush frequency table of comparisons T of said public transport service centre
j, its table of comparisons T={t
1, t
2, t
3... t
n, its t
1, t
2, t
3... t
nGrade for the corresponding weather of corresponding rain brush frequency; The grade of said weather comprise the rain brush frequency high be to be no rain, this t at 0 o'clock for heavy rain, rain brush frequency are generally light rain, rain brush frequency
1, t
2, t
3... t
nThe default value that presets for the public transport data service center of value; Said public transport data service center is with the meteorological P of the corresponding region that gets access to
jBe updated to regional real-time traffic weather information collection Q corresponding in the said public transport data service center, its Q={q
1, q
2, q
3... q
n, the subclass among this information set Q is regional real-time traffic weather information sequence q
j, this q
j=<a
j, p
j>, its a
jIt is exactly described regional location scope; P
jIt is exactly meteorology for the zone; After each subset area sequence among its regional traffic weather information collection D all done as above operation, final updated obtained regional real-time traffic weather information collection Q, promptly accomplishes obtaining of real-time traffic weather information.
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| CN201110289393.9A CN102436750B (en) | 2011-09-23 | 2011-09-23 | Real-time traffic meteorological information acquisition method based on vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110289393.9A CN102436750B (en) | 2011-09-23 | 2011-09-23 | Real-time traffic meteorological information acquisition method based on vehicle |
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| CN102436750A true CN102436750A (en) | 2012-05-02 |
| CN102436750B CN102436750B (en) | 2014-06-18 |
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| CN201110289393.9A Expired - Fee Related CN102436750B (en) | 2011-09-23 | 2011-09-23 | Real-time traffic meteorological information acquisition method based on vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014023246A1 (en) * | 2012-08-10 | 2014-02-13 | 杭州九树网络科技有限公司 | Real-time weather forecast system and forecast method by using rain-sensing device |
| CN106959463A (en) * | 2017-04-07 | 2017-07-18 | 福建工程学院 | Nuclear radiation monitoring method and its system based on floating car technology |
| CN112572330A (en) * | 2020-12-30 | 2021-03-30 | 天翼物联科技有限公司 | Risk driving behavior recognition system, method and device and storage medium |
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Cited By (3)
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| CN112572330A (en) * | 2020-12-30 | 2021-03-30 | 天翼物联科技有限公司 | Risk driving behavior recognition system, method and device and storage medium |
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| Publication number | Publication date |
|---|---|
| CN102436750B (en) | 2014-06-18 |
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